Tascam Digital Mixing Console DM-24 Owners Manual
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7 – Module operations—Common area indicators and controls TASCAM DM-24 Reference Manual 51 Other common controls and displays Digital trim and pan There are also two other controls visible at the bottom of the screen—the digi- tal trim and pan—above the soft key labels. These are dealt with below (“Digital trim control” on page 51 and “Pan control” on page 51. Phase switch This on-screen switch reverses the phase of the input signal (use the ENTER key to tog- gle on and off). In the case of linked pairs, each channel’s phase is independently reversible. Assignable inserts If one of the assignable sends and returns has been assigned to this channel (two send/return pairs in the case of a linked pair), the insert can be turned on or off. The status of the insert (pre- or post) is shown by the small “cutout” on the left of the on-screen button. Input/return assignments The current assign- ments for this module, depending on whether it is being used as an input or return module, are shown. They cannot be changed from this screen. Use the fourth module ( SETUP) screen (“Setup screen” on page 57) or the dedicated I/O setup to change these settings (“Setting up the I/O” on page 36). Meter The on-screen meter gives a reading taken from the defined metering point, which is switchable here between the input, pre-fader and post-fader. EQ and buss assignments These buss assign- ments, together with the status of the EQ (on or off) are shown at the right of the screen. In addition, the EQ response curve is shown at the top of the screen. If the EQ is disabled, this is “grayed out”, and is solid if the EQ is enabled. NOTE It is not possible to change the buss assignments or the EQ switching from here. Use the dedicated keys (to the left of the display screen) for this. Full details are in “Channel-to-buss assignments by channel” on page 41. Fader section The current fader position (which will almost always correspond to the physical fader position, except when automation motor control is turned off) as well as the mute status, is provided on- screen, as is the mute status of the module. The exact numerical value of the level is also dis- played here. This allows the fader to be “normalized” easily, as when the fader is at the zero position, the on-screen fader knob is reversed. Mute and fader groups Any assignments to mute and fader groups are shown to the right of the screen. These cannot be changed here (see “Grouping” on page 69 for full details). Digital trim control The digital trim control (POD 1 of the bottom row) allows the adjustment of the module level between –50dB and +10dB in 61 0.5 dB steps.See also “Global digital trim” on page 59. Pan control The pan control is on the bottom row of the PODs (that is, move the cursor to the bottom row and use the PODs). The pan control is controlled by POD 4. Hard left is represented by L, and hard right by R. The center position is represented by C, and there are 201 possi- ble pan positions available.To center the pan position easily, move the cursor to the CENTER on-screen button, and press ENTER. If the channel is odd-numbered and is not part of a stereo linked pair, it can be ganged to the module to the right (even-numbered channels can be linked to odd-numbered channels to the left). If this GANG con- trol is enabled (move the cursor to it and press Pre-fader Post-fader On Off On Off
7 – Module operations—Common area indicators and controls 52 TASCAM DM-24 Reference Manual ENTER), the CENTER button described above will be disabled (grayed out). Balance controls for stereo linked pair See “Linked modules” on page 60 for details of linked modules. The balance controls in for linked modules are all on the bottom row of the MODULE screen. Move the cur- sor to the bottom row and use the PODs to change these parameters. In the case of a stereo linked pair of modules, the PAN is replaced by a BAL control. Ganging is not possible, but a CENTER button is available, which centers the stereo signal. POD 2 is used to select the source. Either the left (odd-numbered) channel— L MONO or right (even- numbered) channel— R MONO or both together— STEREO can be selected. This allows the previewing of either channel individually, without having to unlink the channelsPOD 3 is used as an image width ( IMAGE) control. This controls the width of the stereo spread of the two channels. The center position is labeled as L+R MONO and provides a pinpoint mixture of the two channels. Turning the control fully counterclockwise provides a full stereo ( STEREO) image. Turning the control clockwise from the center reverses the left and right channels in the stereo image. Turning the control fully clockwise shows REVERSE on the screen. NOTE In the Options screen (“Balance Level CENTER: 0dB” on page 21), the way in which the balance control level is modified at the center position can be changed between 0 dB and a 3 dB cut. Make this setting to reflect your preferred way of working. Global pan As well as individual pan settings, it is also possible to view and make the pan settings on a global basis. 1With the SHIFT indicator unlit, press the PAN/BAL SURROUND key. 2Continue to press the PAN/BAL SURROUND key until the following screen appears (or use soft key 2): Use the cursor keys (and channel SEL keys) to navi- gate around the screen and set the pan or balance positions. Ganging Note that ganged channels are displayed as ganged, but this setting cannot be changed at this position. Move to the lower right of the screen and use POD 1 to select a pair of channels to be ganged (linked chan- nels cannot be selected here). Use ENTER to make the gang setting (or break it if it has already been made). Setup It is possible to apply the same pan/balance setting to groups of channels. Move the cursor to the lower left of the screen, and use POD 1 to set the master pan/balance setting. The scope of the setting is determined using POD 2: choose between ALL, EVEN (even-numbered chan- nels), ODD (odd-numbered channels), 1-8, 9-16, 17-24 or 25-32. Press ENTER to apply the POD 1 setting and press ENTER again to confirm this when the popup appears (cancel with the cursor keys).
7 – Module operations—Dynamics screen TASCAM DM-24 Reference Manual 53 Dynamics screen In this screen, the dynamics processor functions of the modules can be controlled. There are three differ- ent types of dynamics processor that can be assigned: noise gates, expanders and compressors. NOTE Gate and expander settings may not be made for input modules 17 through 32, as shown here. Particular settings for these processors are stored in the DM-24 libraries and are recalled as necessary. See “Library functions” on page 99 for full details of how settings are stored.To recall one of these settings stored in the library: 1Move the cursor to either of the LIB -> buttons on the display (either GATE (gate/expander) or COMP (compressor)). 2Press the ENTER key. 3This jumps to the library where the appro- priate dynamics processor (either compres- sor or gate/expander) is stored. 4Use POD 4 or the dial to scroll through the list of stored settings. 5Use the fourth soft key ( RECALL) to recall the highlighted setting. Only gates or expanders can be recalled to the GATE section, and compressors to the COMP section. The type of dynamics proces- sor cannot be changed. NOTE The same procedure can be used to store the current settings to a library entry, using the STORE soft key rather than the RECALL key. These procedures are explained in more detail in “Library functions” on page 99. Noise gate (GATE) The purpose of a noise gate is to keep the input closed while the signal is below a threshold level, and open it when the signal rises above that level. In this way, the bad effects of hum, hiss, background noise etc. can be reduced effectively in quiet passages. Full details of the parameters are given in “Gate” on page 66. Compressor The compressors prevent loud transients from putting too much signal through the system.Full details of the parameters are given in “Compres- sors” on page 67. Expander The expander expands the dynamic range of the input signal.Full details of the parameters are given in “Expander” on page 66.
7 – Module operations—EQ 54 TASCAM DM-24 Reference Manual EQ The principles of the EQ interface using the encoders are also explained in the section on “User interface” on page 12. Briefly, when the module is selected, and the EQ screen is visible, the rotary encoders and PODs can be used to set up to four parameters of the selected EQ bands (gain, frequency, Q and type). The EQ band to be edited in this way is selected using the EQUALIZER keys G. The LEDs surround- ing the encoders show the current status of the parameters, as explained in “Rotary encoders (ring LEDs)” on page 15. See “Cursor follows EQ Band Key” on page 22 for details of setting up the DM-24 so that the on-screen cursor automatically follows the band selected using the EQUALIZER keys. Alternatively, if the encoder function key K is pressed so that the EQ GAIN setting is selected (the indicator is lit), the gain of the four EQ bands of the selected modules can be changed using the encoders. Again, the relative gain is shown using the LEDs sur- rounding the encoders. The PODs may also be used to make EQ settings, in conjunction with the cursor keys. When a row is highlighted on screen, the PODs con- trol the parameters in that row (in the screen above, the HI band is highlighted). In addition, the cursor keys and data dial can also be used to make changes. The response graph at the top of the screen changes as changes are made to the parameters. If the EQ is turned off for the module, this graph is grayed out (and of course, any changes made to the EQ cannot be heard!).The EQ parameters are as following: On/off (all bands) Each band can be turned on or off individually using the on-screen button beside the gain control ( ENTER key). If a band is turned off in this way, the gain of the band is automatically set to zero. If the band is turned off, turning the gain encoder or gain POD for the band will automatically turn the band on again. Gain (all bands) The maximum cut and boost (gain) on all bands is ±18 dB. Gain control is not possible when an EQ band type is set to notch filter, or high- or low-pass filter. In this instance, all LEDs of the appropriate encoder are turned off. Frequency range (all bands) The frequency range for all bands is between 31 Hz and 19 kHz. The adjustment is made in semitone steps, giving a total of 112 different frequency positions across the range. Q (all bands) When a band is set as a peak-type band, there are 24 Q settings available 1: 8.65, 4.32, 2.87, 2.14, 1.71, 1.41, 1.20, 1.04, 0.92, 0.82, 0.74, 0.67, 0.61, 0.56, 0.51, 0.47, 0.44, 0.40, 0.38, 0.35, 0.33, 0.30, 0.28, 0.27. When a band is set to non-notch filter or shelf mode, the Q cannot be set (the on-screen Q control is grayed-out) and all LEDs of the appropriate encoder are turned off. EQ band type The EQ band type is always set using the fourth POD. The setting for the band is dis- played on screen using the following symbols: High band The high band can be set as either a shelving (high shelf), peaking, or LPF type. High-mid band The high-mid band can be set as either a peaking or a notch filter. 1. Q is defined as the width affected by a filter. The higher the Q value, the narrower the band affected by the filter. PeakShelf (low)Shelf (high)HPF LPF Notch PEAK L.SHELF H.SHELF HPF LPF NOTCH
7 – Module operations—Aux sends TASCAM DM-24 Reference Manual 55 Low-mid band The low-mid band can be set as either a peaking or a notch filter.Low band The low band can be set as either a shelving (low shelf), peaking, or HPF type. EQ library Commonly-used EQ settings can be stored into and recalled from the library. Full details of the library operation are given in “Library functions” on page 99, but briefly, moving the cursor to the on- screen EQ LIB button above the high band and press- ing ENTER will jump to the EQ library. 1Move the cursor to highlight the EQ LIB shown on the display. 2Press the ENTER key.3This jumps to the library where the EQ set- tings are stored. 4Use POD 4 (or the dial) to scroll through the list of stored settings. 5Use the fourth soft key ( RECALL) to recall the highlighted setting. NOTE The same procedure can be used to store the current settings to a library entry, using the STORE soft key rather than the RECALL key. Aux sends The aux sends are set using the screen accessed through the third soft key. The PODs can be used to adjust the gain of the aux sends (first and third rows), as well as the pre-post settings of the sends (second and fourth rows). In addition, if two aux sends have been linked together, the odd-numbered POD on the first and third rows of the screen is used to control the pan position of the signal sent to the stereo aux send.In addition, as explained in the section on the user interface (“Encoders used as aux send controls” on page 17), the rotary encoders can also be used to set the send levels for the first four aux sends, and the last two aux sends for the selected channel. They can also be used to make the pan and balance settings when two aux sends are linked. Aux sends may be linked as a pair (1&2, 3&4, 5&6). See “Linked modules” on page 60 for details of how they are linked. The level of the aux sends is settable between –∞dB and +10 dB (relative to nominal) in 127 steps. Pan settings for stereo linked aux sends can be made from hard left ( L) through center (C) to hard right ( R)—127 steps. Pre-post settings are made by turning the POD coun- terclockwise ( PRE), and clockwise (POST). Note that for aux sends 1 and 2, as well as pre-fader and post-fader selections, a RETURN setting is also available. This allows aux 1 and 2 to be used as the tape return path if channels 1 though 16 are being used as direct outputs. Aux sends (global) In addition to the module screen, it is also possible to display a global aux screen to allow the viewing and setting of aux levels for many channels together.1With the SHIFT indicator off, press either AUX 1- 2, AUX 3- 4 or AU X 5 - 6, for control of the appropriate aux sends. The screen that appears depends on whether the selected aux sends have been linked together or not.
7 – Module operations—Aux sends 56 TASCAM DM-24 Reference Manual If they are not linked, a screen similar to the follow- ing appears: Using the cursor keys to move a cursor consisting of a box highlighting four on-screen controls around the screen. Alternatively, press the SEL key for a given channel to jump the cursor to the appropriate position on the screen. The four controls correspond to the four PODs. If two channels are linked (as with channels 9&10 and 11&12 on this screen), only PODs 1 and 3 are active. NOTE The rotary encoders, if selected to control aux send lev- els, are also valid controls for the selected channel or pair of channels. Fader control At the top of the screen is a button which allows the faders to be used for setting the aux levels (as described in “Using the faders to change values” on page 14). Setup A master level can be applied to selected channels by moving the cursor to the bottom left position setting the desired value with POD 1 and pressing ENTER. The scope of the setting is determined using POD 2: either ALL, EVEN (even-numbered channels), ODD (odd-numbered channels), 1-8, 9-16, 17-24 or 25-32. When ENTER is pressed, a popup message appears ( Ch parameters setup?). Press ENTER again to con- firm, or a cursor key to cancel. Copy It is possible to copy the fader settings to the aux levels, or the other way round (aux levels to fader). This can be used as a starting point for mixes, setting up an initial monitor mix to mirror the stereo output, for example, which can then be adjusted as necessary.Move the cursor to the bottom right of the screen, and use POD 1 to select the CH FADER LVL->AUXx LVL or the other way round ( AUXx LVL->CH FADER LVL). Press ENTER when the source/destination selection has been made, and press ENTER again to confirm the copy (cursor keys cancel). NOTE See also “UTILITY copying” on page 62. Source (pre/post and SOURCE) settings As the tabs at the bottom of the display show, there are four screens available through the soft keys (or repeated presses of the appropriate AU X key. The two LEVEL screens are identical. The SOURCE screens (aux 1 and 2) and AUXx PRE/PST (other aux sends) appear like this: Use the cursor to navigate around the screen and the PODs to select either PRE or POST (pre-fader or post- fader aux sends). For aux sends 1 and 2, the RETURN source is also available for channels 1 through 16. Setup A master pre-post setting can be applied to selected channels by moving the cursor to the bottom left position setting the desired value with POD 1 and pressing ENTER. The scope of the setting is determined using POD 2: either ALL, EVEN (even-numbered channels), ODD (odd-numbered channels), 1-8, 9-16, 17-24 or 25-32. Linked aux sends Two aux sends are linked in the same way as for channels—with the MASTER fader layer active press and hold the SEL key of one aux channel and press the SEL key of an adjacent send. Aux sends 1&2, 3&4, and 5&6 can be linked in this way. No other linking is possible. When they are linked in this way, naturally they share the same level (the faders are linked) and any input to the linked aux send is panned.
7 – Module operations—Setup screen TASCAM DM-24 Reference Manual 57 NOTE The appropriate preference must be set for the SEL keys to be used in this way (“ST Link by SEL key” on page 21). Instead of four screens shared between the two sepa- rate aux sends, as described above, there are now three screens for the pair, as follows: The linked level control screen is the same as for the mono (separate aux screens). Setup and copy facili- ties are available in this screen for global setups.Note the AUX 1-2 (LINK) title at the top of the screen, though. The linked aux pan screen allows the positioning of the pan position (or balance in the case of linked input channels) to the pair of aux sends. There is a master setup at the bottom left, allowing all pan and balance settings (or a selected set) to be made identical, as well as a bidirectional copy facil- ity, allowing channel-to-aux, as well as aux-to-chan- nel, pan setting copying, as described earlier. The faders can also be used to make the aux level set- tings, as described in “Using the faders to change values” on page 14. The pre-post settings ( SOURCE for 1-2, as this includes RETURN, and PRE/POST for 3-4, 5-6) are made in the same way as for unlinked aux sends. Setup screen The setup screen acts almost as a channel “patch- bay”, allowing the configuration and readjustment of the components that make up a module. At the top of the screen, a block diagram of the mod- ule’s current configuration is shown. As changes are made, the block diagram is updated to reflect these changes The above screen is the SETUP screen for channels 1 through 16. Channels 17 through 24, and 25 through
7 – Module operations—Setup screen 58 TASCAM DM-24 Reference Manual 32 have slightly different screens, reflecting the dif- ferent configuration: Channels 17 through 32 have no gate available. The aux 1-2 sends are more limited in the choice of their source points (no return available) Channels 25 through 32 have no channel digital delay available. The controls available on these screens (through the PODs or through the cursor keys and data dial) are: Channel source (CH SOURCE) This is a 2-way switch. Turning POD 1 (top row) counterclockwise selects the input ( INPUT) source, and turning it clock- wise selects the return ( RETURN) source (channels 1 through 24 only). Both of the actual sources (input and return) are defined in the I/O screen, not here. The display at the top left of the screen is updated, as is the block diagram. Gate switch (GATE SW) This (POD 2) turns the gate (if available) on (clockwise) or off (counter- clockwise). Channels 1 through 16 only. Aux 1 and 2 source (AUX 1-2 SOURCE) This (POD 4) selects the source for the Aux 1 and 2 sends to be either pre-fader ( PRE), post-fader (POST) or the return associated with the module ( RETURN). This selection is available in this screen because these aux sends may be used effectively as studio monitor sends, and flexibility is therefore a useful feature here. For channels 17 through 32, only the pre and post options are available here. NOTE Note that even if aux sends1 and 2 are unlinked, the settings of both are modified together using this con- trol. Compression insert (COMP INSERT) This selects the position for the compressor insert (if assigned) to be either pre-EQ ( PRE EQ, counterclock- wise) or post-EQ ( POST EQ, clockwise). Compressor switch (COMP SW) This switch (POD 2) turns the compressor (if assigned) either off ( OFF, counterclockwise) or on (ON, clockwise). Assignable insert position (ASSIGN INSERT) This (POD 3) allows the positioning of the assignable insert in the module chain. There are two positions, pre-fader ( PRE FADER) and post-fader ( POST FADER). Assignable insert switch (ASSIGN INS SW) This switch (POD 4) allows the switching of the assignable insert loop (at the position determined by the previous switch) as either on ( ON, clockwise) or off ( OFF, counterclockwise). These controls are disabled if no assignable loop has been assigned to the channel. Phase switch (Φ) This (POD 1) reverses the phase of the input when turned clockwise ( REVERSE), otherwise, the phase of the signal is normal ( NORMAL). For stereo linked channels, PODs 1 and 2 are used for controlling the phase of the left (odd) and right (even) channels respectively. Digital delay time (DELAY) The channel can be delayed by up to 16,383 samples (the maximum in high sampling frequency is 32,767 samples). This is equivalent to 341.2 milliseconds at 48k or 96k sam- pling frequencies, or 371.5 milliseconds at 44.1k or 88.2k sampling frequencies.
7 – Module operations—Digital trim and delay (global) TASCAM DM-24 Reference Manual 59 Channel delay is only possible on modules 1 through 24. See also “Global digital delay” on page 59.Digital delay units (UNIT) Choose either sam- ples ( SAMPLE) or milliseconds (ms) as the unit in which channel digital delay is measured. See also “Global digital delay” on page 59. Digital trim and delay (global) Two dedicated screens allow the viewing and setting of the digital trim and delay parameters. Global digital trim 1With the SHIFT indicator lit, press the DIGI. TRIM/DELAY key until the following screen appears: Use the cursor keys and the SEL keys to navigate the cursor round the screen.Use the PODs to set the amount of digital trim from - 50.0dB to +10.0dB in 0.5 dB steps. Linked channels share the same digital trim setting. Fader control At the top of the screen is a button which allows the faders to be used for setting the trim levels (as described in “Using the faders to change values” on page 14). Setup A master trim can be applied to selected channels by moving the cursor to the bottom left position setting the desired value with POD 1 and pressing ENTER. The scope of the setting is determined using POD 2: either ALL, EVEN (even-numbered channels), ODD (odd-numbered channels), 1-8, 9-16, 17-24 or 25-32. When ENTER is pressed, a popup message appears ( Ch parameters setup?). Press ENTER again to con- firm, or a cursor key to cancel. Global digital delay 1With the SHIFT indicator lit, press the DIGI. TRIM/DELAY key until the following screen appears:Use the cursor keys and the SEL keys to navigate the cursor round the screen. Use the PODs to set the amount of digital delay up to 16,383 samples (the maximum in high sampling fre- quency is 32,767 samples). This is equivalent to 341.2 milliseconds at 48k or 96k sampling frequen- cies, or 371.5 milliseconds at 44.1k or 88.2k sam- pling frequencies. This delay can be used to compensate for signal pro- cessing, etc. and can be applied either before or after the fader. It is available for channels 1 through 24 only. NOTE This is not a delay or echo effect as provided by the internal effectors. Linked channels share the same digital delay setting.
7 – Module operations—Linked modules 60 TASCAM DM-24 Reference Manual Unit Change the delay units between samples (SP) and milliseconds ( ms) using POD 3 at the bottom left of the screen. Fader control At the top of the screen is a button which allows the faders to be used for setting the delay (as described in “Using the faders to change values” on page 14). Setup A master delay setting can be applied to selected channels by moving the cursor to the bottom left position setting the desired value with POD 1 and pressing ENTER.The scope of the setting is determined using POD 2: either ALL, EVEN (even-numbered channels), ODD (odd-numbered channels), 1-8, 9-16 or 17-24. When ENTER is pressed, a popup message appears ( Ch parameters setup?). Press ENTER again to con- firm, or a cursor key to cancel. PRE/POST The delay can be applied pre-or post- fader. This setting is made globally, for all 24 chan- nels and cannot be made individually. Move the cursor to the bottom right of the screen, and turn POD 4 to select between PRE and POST fader operation. Linked modules Modules which may be linked in stereo pairs must be adjacent to each other, with the odd-numbered mod- ule of the pair being the lower-numbered. That is, modules 3 and 4 may be linked, but modules 4 and 5 may not. When modules have been linked, pressing the SEL key of one module of the pair selects the pair. The parameters and settings which are shared by the pair are: Channels Digital Trim, Gate (only Ch1-16), Com- pressor, EQ, Aux1-6 (Pre/Post, Level), Mute, Fader Level, Assign, Delay, Solo (On/Off, Defeat setup), Input select, Aux1-2 select, Compressor insert point, Assignable send/return, Grouping. Master modules Compressor, Mute (except Ste- reo), Fader Level, Assign. Linking and unlinking modules Modules may be linked either by means of the link- ing screen (see the section on groups for details) or by means of the SEL keys if the option has been set (“ST Link by SEL key” on page 21). 1Press and hold down the SEL key of one of the pair of modules to be linked. 2Press the SEL key of the other module in the pair to be linked. To unlink modules, repeat the process (press and hold down one SEL key of the pair, and press the other SEL key). NOTE When two faders are linked, you may find that moving both faders together produces a feeling of stiffness in the controls, as each fader is constantly attempting to keep up with the other. We suggest that in the case of two linked faders, you only move one fader. Even if the movement of a fader may seem a little rough or jerky when you are moving the other fader of the pair, it is only the physical control that exhibits this symptom. The change in the actual signal level of the second channel will be as smooth as the fader movement that you are making.