Panasonic Aj Sd930be Operating Instructions Manual
Have a look at the manual Panasonic Aj Sd930be Operating Instructions Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 10737 Panasonic manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
![Page 71
71 (E)
CONTENTS
The VTR can be operated by commands when the
RS-232C interface is used.
(See command table on pages 74, 75.)
$Conditions for acknowledging
commands from RS-232C interface
OThe front panel CONTROL switch must be at
REMOTE.
OThe setup menu No. 204 “RS232C SEL” must be
ON.
If the above conditions are not met, [ACK] + [STX]
ER001 [EXT] is returned to the external unit.
Whether the [ACK] code is returned depends on the
setting which has been selected for setup menu
item No. 209 “RETURN ACK”....](http://img.usermanuals.tech/thumb/58/67797/w64_aj-sd930be_en_om_d-70.png "Page 71
71 (E)
CONTENTS
The VTR can be operated by commands when the
RS-232C interface is used.
(See command table on pages 74, 75.)
$Conditions for acknowledging
commands from RS-232C interface
OThe front panel CONTROL switch must be at
REMOTE.
OThe setup menu No. 204 “RS232C SEL” must be
ON.
If the above conditions are not met, [ACK] + [STX]
ER001 [EXT] is returned to the external unit.
Whether the [ACK] code is returned depends on the
setting which has been selected for setup menu
item No. 209 “RETURN ACK”....")
![Page 73
73 (E)
CONTENTS
RS-232C interface
3. Return format
[VTR 5controller (PC)]
The following responses are made to the command. If
necessary, more than one response is made.
$When the communication has terminated
normally
1. The receive completion message is returned.
[ACK]
06h
2. The execution completion message is returned.
[STX] [command] [data] [ETX]
02h XX XX XX XX.....
XX 03h
[command] :
This is the message (data) which is returned or
the execution completion message identifier.
[data] :
This is the...](http://img.usermanuals.tech/thumb/58/67797/w64_aj-sd930be_en_om_d-72.png "Page 73
73 (E)
CONTENTS
RS-232C interface
3. Return format
[VTR 5controller (PC)]
The following responses are made to the command. If
necessary, more than one response is made.
$When the communication has terminated
normally
1. The receive completion message is returned.
[ACK]
06h
2. The execution completion message is returned.
[STX] [command] [data] [ETX]
02h XX XX XX XX.....
XX 03h
[command] :
This is the message (data) which is returned or
the execution completion message identifier.
[data] :
This is the...")
![Page 74
74 (E)
CONTENTS
RS-232C interface
5. Command table
$Commands relating to operation control
OAs for the return (completion) message, [ACK] is
first returned when data is received, and the
execution message is subsequently returned. It
is only the execution message which is listed in
this table.
OIn the case of commands not listed in the table,
ER001 (invalid command) is returned after [ACK]
has been returned.
VTR
operationSend command
STOP[STX] OSP [ETX]45[STX] OSP [ETX]
This command is for stopping the...](http://img.usermanuals.tech/thumb/58/67797/w64_aj-sd930be_en_om_d-73.png "Page 74
74 (E)
CONTENTS
RS-232C interface
5. Command table
$Commands relating to operation control
OAs for the return (completion) message, [ACK] is
first returned when data is received, and the
execution message is subsequently returned. It
is only the execution message which is listed in
this table.
OIn the case of commands not listed in the table,
ER001 (invalid command) is returned after [ACK]
has been returned.
VTR
operationSend command
STOP[STX] OSP [ETX]45[STX] OSP [ETX]
This command is for stopping the...")
![Page 75
75 (E)
CONTENTS
RS-232C interface
$Commands relating to inquiries
OAs for the return (completion) message, [ACK] is
first returned when data is received, and the
execution message is subsequently returned. It
is only the execution message which is listed in
this table.
OIn the case of commands not listed in the table,
ER001 (invalid command) is returned after [ACK]
has been returned.
VTR
operationSend command
CTL/TC DATA
REQUEST[STX] QCD [ETX]45[STX] CD data [ETX]
This command is for inquiring about the...](http://img.usermanuals.tech/thumb/58/67797/w64_aj-sd930be_en_om_d-74.png "Page 75
75 (E)
CONTENTS
RS-232C interface
$Commands relating to inquiries
OAs for the return (completion) message, [ACK] is
first returned when data is received, and the
execution message is subsequently returned. It
is only the execution message which is listed in
this table.
OIn the case of commands not listed in the table,
ER001 (invalid command) is returned after [ACK]
has been returned.
VTR
operationSend command
CTL/TC DATA
REQUEST[STX] QCD [ETX]45[STX] CD data [ETX]
This command is for inquiring about the...")
71 (E) CONTENTS The VTR can be operated by commands when the RS-232C interface is used. (See command table on pages 74, 75.) $Conditions for acknowledging commands from RS-232C interface OThe front panel CONTROL switch must be at REMOTE. OThe setup menu No. 204 “RS232C SEL” must be ON. If the above conditions are not met, [ACK] + [STX] ER001 [EXT] is returned to the external unit. Whether the [ACK] code is returned depends on the setting which has been selected for setup menu item No. 209 “RETURN ACK”. Hardware specifications External interface specifications RS-232C interface OConnector specifications Connector: D-SUB 25-pin (crossover cable supported) OExample of connection with controller (PC) Using crossover cable with D-SUB 25-pin connectors Pin No. Signal Description 1FG Protective ground (Frame ground) 2RXD Received data (Data is sent to PC.) 3TXD Transmitted data (Data is received from PC.) 4CTS Clear to send (Shorted with pin 5.) 5RTS Request to send (Shorted with pin 4.) 6DTR Data terminal ready (No processing) 7SG Signal ground (Signal ground) 20DSR Data set ready (+ voltage output after communication enable status) PC side (D-SUB 25-pin connector)VTR side FG TXD RXD RTS CTS DSR SG DTR1 2 3 4 5 6 7 20FG RXD TXD CTS RTS DTR SG DSR 1 2 3 4 5 6 7 20 Using crossover cable with D-SUB 9-pin and 25-pin connectors PC side (D-SUB 9-pin connector)VTR side RXD TXD DTR SG DSR RTS CTS2 3 4 5 6 7 8FG RXD TXD CTS RTS DTR SG DSR 1 2 3 4 5 6 7 20
72 (E) CONTENTS Software specifications (Protocol) 1. Communication parameters RS-232C interface Communication systemAsynchronous, full duplex Communication speed300/600/1200/2400/4800/9600 Bit length7bit/8 bit Stop bit1 bit/2 bit Parity bitNONE/ODD/EVEN ACK codeACK code returned/ACK code not returned The ACK code is what is returned from the VTR to the controller when data has been successfully sent from the controller. The underlining indicates the factory settings. Communication parameterSetup menu item Communication speedNo.205 BAUD RATE Bit lengthNo.206 DATA LENGTH Stop bitNo.207 STOP BIT Parity bitNo.208 PARITY ACK codeNo.209 RETURN ACK Any changes to the settings can be made using the setup menu items listed below. 2. Send format [controller (PC) 5VTR] $Data format [STX] [command] [:] [data] [ETX] 02h XX XX XX 3Ah XX..... XX 03h 20H
73 (E) CONTENTS RS-232C interface 3. Return format [VTR 5controller (PC)] The following responses are made to the command. If necessary, more than one response is made. $When the communication has terminated normally 1. The receive completion message is returned. [ACK] 06h 2. The execution completion message is returned. [STX] [command] [data] [ETX] 02h XX XX XX XX..... XX 03h [command] : This is the message (data) which is returned or the execution completion message identifier. [data] : This is the data to be returned. It can be omitted. Example: Send command Return message (data) [STX] OPL [ETX]5[ACK] [STX] OPL [ETX] $When the communication has terminated abnormally [NACK] 15h $When processing is not possible due to incorrect data or trouble in the VTR 1. The receive completion message is returned. [ACK] 06h 2. An error code is returned. [STX] [E R N 1N2N3] [ETX] 02hError code03h 4. Error code table ER001 :Invalid command OUnsupported command received. OError in command execution ER002 :Parameter error ER102 :VTR mode error (front loading motor) ER103 :VTR mode error (loading motor) ER104 :VTR mode error (drum, capstan system) ER105 :VTR mode error (reel system) ER106 :VTR mode error (tension system) ER108 :VTR dew error ER1FF :VTR system error
74 (E) CONTENTS RS-232C interface 5. Command table $Commands relating to operation control OAs for the return (completion) message, [ACK] is first returned when data is received, and the execution message is subsequently returned. It is only the execution message which is listed in this table. OIn the case of commands not listed in the table, ER001 (invalid command) is returned after [ACK] has been returned. VTR operationSend command STOP[STX] OSP [ETX]45[STX] OSP [ETX] This command is for stopping the tape travel.Return (completion) message STANDBY OFF[STX] OBF [ETX]45[STX] OBF [ETX] This command is setting the VTR to standby OFF. STANDBY ON[STX] OBN [ETX]45[STX] OBN [ETX] This command is setting the VTR to standby ON. VTR operationSend command SHTL FORWARD[STX] OSF:data [ETX]45[STX] OSF [ETX] This is the forward direction shuttle command. data = n : speed data 0 : STILL 1:a0.03 2:a0.1 3:a0.2 4:a0.5 5:a1 6:a1.85 7:a4.1 (a3.1) 8:a9.5 9:a16 A:a32 OThe a16 anda32 speed differ according to the setting selected for setup menu No. 101 (SHTL MAX). OThe value for the DV/DVCAM tape is shown in parenthesis ( ).Return (completion) message SHTL REVERSE[STX] OSR:data [ETX]45[STX] OSR [ETX] This is the reverse direction shuttle command. data = n : speed data 0 : STILL 1:a0.03 2:a0.1 3:a0.2 4:a0.43 (a0.5) 5:a1 6:a1.85 7:a4.1 (a3.1) 8:a9.5 9:a16 A:a32 OThe a16 anda32 speed differ according to the setting selected for setup menu No. 101 (SHTL MAX). OThe value for the DV/DVCAM tape is shown in parenthesis ( ). EJECT[STX] OEJ [ETX]45[STX] OEJ [ETX] This command is for ejecting the cassette tape. The resulting output picture and sound statuses differ according to the settings selected for the setup menu No. 105 (AUTO EE SEL) and the setup menu No. 111 (FRZ MODE SEL). PLAY[STX] OPL [ETX]45[STX] OPL [ETX] This command is for starting playback. REWIND[STX] ORW [ETX]45[STX] ORW [ETX] This command is for rewinding the tape. The resulting output picture and sound statuses differ according to the settings selected for the setup menu No. 105 (AUTO EE SEL). The maximum tape speed differs according to the setting selected for setup menu No. 102 (FF. REW MAX). FAST FORWARD[STX] OFF [ETX]45[STX] OFF [ETX] This command is for fast forwarding the tape. The resulting output picture and sound statuses differ according to the settings selected for the setup menu No. 105 (AUTO EE SEL). The maximum tape speed differs according to the setting selected for setup menu No. 102 (FF. REW MAX). REC[STX] ORC [ETX]45[STX] ORC [ETX] This command is for starting the recording.
75 (E) CONTENTS RS-232C interface $Commands relating to inquiries OAs for the return (completion) message, [ACK] is first returned when data is received, and the execution message is subsequently returned. It is only the execution message which is listed in this table. OIn the case of commands not listed in the table, ER001 (invalid command) is returned after [ACK] has been returned. VTR operationSend command CTL/TC DATA REQUEST[STX] QCD [ETX]45[STX] CD data [ETX] This command is for inquiring about the counter value. data = f w gh mm ss ff f=F w=S gh = CTL mode: g = SP (20h) : for a plus display –(2Dh) : for a minus display h=0 – 9 : hours TC mode: gh = 00 – 23 : hours mm = 00 – 59 : minutes ss = 00 – 59 : seconds [625i system] ff = 00 – 24 : frames [525i system] ff = 00 – 29 : frames CTL or TC is returned, whichever corresponds to the front display mode. SD955B Return (completion) messageVTR operationSend commandReturn (completion) message STATUS REQUEST [STX] QOP [ETX]45[STX] 222[ETX] This command is for inquiring about the VTR’s operation mode. 222= OEJ : EJECT OFF : FAST FORWARD OPL : PLAY ORC : REC ORW : REWIND OSP : STOP (including the STANDBY ON) SRS : (IN/OUT) PREROLL OBF : STANDBY OFF OSF : SHTL FORWARD OSR : SHTL REVERSE OJG : JOG FORWARD/REVERSE OSW : VAR FORWARD/REVERSE EAE : AUTO EDIT EON : EDIT ON (MANUAL EDIT) EPV : PREVIEW ERV : REVIEWID (VTR No.) REQUEST [STX] QID [ETX]45[STX] data [ETX] This command is for inquiring about the VTR used. data = AJ-SD930BE or AJ-SD955BE
76 (E) CONTENTS SDTI interface Digital data input/output operations using the SDTI format (compressed digital interface) are enabled by installing the AJ-YAC930G SDTI board (optional accessory) in this unit. SDTI (Serial Data Transport Interface) complies with the SMPTE 305M standard. The data stream format transferred via the SDTI complies with the SMPTE 321M standard. Precautions to observe when using the SDTI signals OThe unit can record only if the SDTI input signals are 1atransfer signals in the DVCPRO50 or DVCPRO format selected by setup menu No. 012 (SYS FORMAT). However, when playback signals other than normal 1aplayback signals have been input, there is no guaranty for the pictures and sound recorded or for pictures and sound with EE. OEditing operations can be performed only when all the video and audio signals as well as the time codes in the SDTI input signals are regular data based on the DVCPRO50 or DVCPRO format selected by setup menu No. 012 (SYS FORMAT). OCUE signals are not transferred by the SDTI interface. OSDTI dubbing is not possible from tapes recorded using the DV or DVCAM format. Use SDI when dubbing tapes recorded in the DV or DVCAM format. OWhen playing back a DV or DVCAM format tape, DV compressed signals (Compliant with IEC61834- 2.) serve as the SDTI output. OThe video and audio signals in the SDTI output signals cannot be adjusted. ODuring SLOW/STILL playback, the unprocessed video and audio signals are output as the SDTI output. When these video and audio signals are to be monitored using another device, they may differ from the video and audio signals played back by this unit. PUSH PUSH PUSH PUSHPUSHAC IN SIGNAL GND AES/EBUSDI SDTI ANALOGCH1/2 INYVIDEO VIDEO OUT SERVICE ONLY REMOTE IN/OUTCH1 CH2AUDIO IN ENCODER REMOTE RS-232C PARALLEL REMOTE OUT IN REF VIDEOIN ON OFF P B P R Y1 2 (WFM)3(SUPER) P B P R OPTION CH3/4 IN CH1/2 OUT CH3/4 OUT REMOTE 75Ω ON OFF75Ω ANALOGTCININ ACTIVE THROUGH OUT1TCOUT MON L MON R CH4CH3 CH1 CH2AUDIO OUT CH4CH3 2 OPTION IN OUT 1 2 3(SUPER) PUSH PUSH PUSH PUSHPUSHAC IN SIGNAL GND AES/EBUSDI SDTI ANALOGCH1/2 INYVIDEO VIDEO OUT SERVICE ONLY REMOTE IN/OUTCH1 CH2AUDIO IN ENCODER REMOTE RS-232C PARALLEL REMOTE OUT IN REF VIDEOIN ON OFF P B P R Y1 2 (WFM)3(SUPER) P B P R OPTION CH3/4 IN CH1/2 OUT CH3/4 OUT REMOTE 75Ω ON OFF75Ω ANALOGTCININ ACTIVE THROUGH OUT1TCOUT MON L MON R CH4CH3 CH1 CH2AUDIO OUT CH4CH3 2 OPTION IN OUT 1 2 3(SUPER) Reference signal generator Source Recorder Connections involving two units SDTI signals
77 (E) CONTENTS Connector signals VIDEO IN SDI IN (DIGITAL)BNCa2, Active through Y, PB, PR (ANALOG)BNCa3 (Board, option) VIDEO IN BNCa2, Loop-through, 75Ωtermination switch provided (Board, option) REF VIDEO IN BNCa2, Loop-through, 75Ωtermination switch provided AUDIO IN SDI IN (DIGITAL)BNCa2, Active through AUDIO IN (DIGITAL)BNCa2 (CH1/CH2, CH3/CH4) AES/EBU format AUDIO IN (ANALOG)XLRa4 (CH1, CH2, CH3, CH4) TIME CODE INXLRa1 AUDIO OUT SDI OUT (DIGITAL)BNCa3 AUDIO OUT (DIGITAL)BNCa2 (CH1/CH2, CH3/CH4) AES/EBU format AUDIO OUT (ANALOG)XLRa4 (CH1, CH2, CH3, CH4) TIME CODE OUTXLRa1 MONITOR OUTXLRa2 (L/R) HEADPHONES(front)Stereo mini jack RS-422A REMOTE (9P) OREMOTE IN/OUT VIDEO OUT SDI OUT (DIGITAL)BNCa3 Y, PB, PR (ANALOG)BNCa3 VIDEO OUT BNCa3 Pin No. Signal 1FRAME GROUND 2TRANSMIT A 3RECEIVE B 4RECEIVE COMMON 5 ==== 6TRANSMIT COMMON 7TRANSMIT B 8RECEIVE A 9FRAME GROUND OREMOTE OUT Pin No. Signal 1FRAME GROUND 2RECEIVE A 3TRANSMIT B 4TRANSMIT COMMON 5 ==== 6RECEIVE COMMON 7RECEIVE B 8TRANSMIT A 9FRAME GROUND
78 (E) CONTENTS Connector signals PARALLEL REMOTE (25P) Pin No. Signal 1PLAY COMMAND 2STOP COMMAND 3FF COMMAND 4REW COMMAND 5REC COMMAND 6EJECT COMMAND 7STAND BY COMMAND 8PREROLL COMMAND 9IN SET COMMAND 10 ==== 11 ==== 12 610 V, MAX 300 mA 13PLAY STATUS 14STOP STATUS 15FF STATUS 16REW STATUS 17REC STATUS 18EJECT STATUS 19STAND BY ON STATUS 20PREROLL STATUS 21SERVO LOCK STATUS 22OPERATION ENABLE STATUS 23 ==== 24 ==== 25GND OCOMMAND pins: TTL level, active low, 6100ms edge electrical signal. OSTATUS pins: open collector, sink current 6 mA ENCODER (15P) Pin No. Signal 1 ==== 2BLACK LEVEL 3C LEVEL 4GND 5+12V 6SYSTEM H 0 7SYS. SC COARSE (2) 8–12V 9CHROMA PHASE 10VIDEO LEVEL 11RET GND 12 ==== 13 ==== 14SYS. SC FINE 15SYS. SC COARSE (1) RS-232C D-SUB 25-pin (crossover cable supported) Pin No. Signal Description 1FG Protective ground (Frame ground) 2RXD Received data (Data is sent to PC.) 3TXD Transmitted data (Data is received from PC.) 4CTS Clear to send (Shorted with pin 5.) 5RTS Request to send (Shorted with pin 4.) 6DTR Data terminal ready (No processing) 7SG Signal ground (Signal ground) 20DSR Data set ready (+ voltage output after communication enable status)
79 (E) CONTENTS [GENERAL] indicates safety information. Power supply:AC 100 – 240 V, 50 – 60 Hz Power consumption:120 W (with all options) Operating ambient temperature: 5°C to 40°C Operating ambient humidity: 10% to 80% (no condensation) Weight: 14.9 kg (AJ-SD930B) 15.0 kg (AJ-SD955B) Dimensions (WaHaD): 424a175.2a430 mm (Not including the support legs, connectors, and JOG dial) Recording format: DVCPRO50/DVCPRO format selectable Recording video signal: AJ-SD930B : 625i system AJ-SD955B : 525i/625i system selectable Recording audio signal: DVCPRO50: 48 kHz 16-bit 4 channels DVCPRO: 48 kHz 16-bit 2 channels Recording tracks: Digital video audio: helical track The time code is recorded in the sub-code area. Cue track: 1 track Control track: 1 track Tape speed: [625i system] 67.708 mm/sec (DVCPRO50) [525i system] 67.640 mm/sec (DVCPRO50) Recording time: 92 minutes (using the AJ-5P92LP) 33 minutes (using the AJ-5P33MP) Tape: Metal tape FF/REW time: Less than 3 min (with AJ-5P92LP) Less than 2 min (with AJ-5P33MP) Digital slow: –0.43ato +0.43a, +0.5a, +0.75aspeed (DVCPRO, DVCPRO50) Editing accuracy: ±0 frames (using the time code) Tape timer accuracy: ±1 frame (using the continuous CTL signal) Servo lock time: Less than 0.5 sec (colour framing/standby ON) SD955B Specifications [VIDEO] $Digital video Sampling frequencies: Y: 13.5 MHz, PB/PR: 6.75 MHz (DVCPRO50) Quantizing: 8 bits Video compression method: DV-Based compression (SMPTE 314M) Video compression rate: DVCPRO50: 1/3.3, DVCPRO: 1/5 Error correction: Reed-Solomon product code Bit rate: DVCPRO50: 50 Mbps, DVCPRO: 25 Mbps $Digital IN/Analogue component OUT Video bandwidth: [625i system] Y : 25 Hz to 5.75 MHz (±0.5 dB) PB/PR : 25 Hz to 2.75 MHz (±0.5 dB) [525i system] Y : 30 Hz to 5.75 MHz (±1.0 dB) PB/PR : 30 Hz to 2.75 MHz (±1.0 dB) S/N ratio: Better than 60 dB (Y) K factor: Less than 1% (Y 2T) Y/PB, PR delay: Less than 10 ns $Video input connector Analogue component input (option): BNCa3 (Y, PB, PR) Y: 1.0 V [p-p], PB/PR: 0.7 V [p-p], 75Ω(100% colour bar) Analogue composite input (option): BNCa2, loop-through, 75Ωon/off VIDEO:1.0 V [p-p] (75Ω) Reference input: Analogue composite, BNCa2, loop-through, 75Ωon/off SDI input: BNCa2, active through, complies with ITU-R BT.656-4 standard SDTI input (option): BNCa1, complies with SMPTE 305M/321M standard SD955B
80 (E) CONTENTS Specifications [VIDEO] $Video output connector Analogue component output: BNCa3 (Y, PB, PR) Y: 1.0 V [p-p], PB/PR: 0.7 V [p-p], 75Ω(100% colour bar) Analogue composite output: BNCa3, video 1, video 2 (video/WFM selectable), video 3 (superimpose on/off) SDI output: BNCa3, complies with ITU-R BT.656-4 standard SDI 1, SDI 2, SDI 3 (superimpose on/off) SDTI output (option): BNCa2, complies with SMPTE 305M/321M standard $Video signal adjustment Video output gain: ±3 dB Video output chroma gain: ±3 dB Video output chroma phase (HUE): ±30° Video output black (setup) level: ±100 mV (±14 IRE) Video output sync phase: ±15 µsec Video output SC phase: ±180° [AUDIO] $Audio input connector Analogue input (CH1, CH2, CH3, CH4): XLRa4, 600Ω/high impedance selectable (factory setting: high impedance), +4/0/–20 dBu selectable Digital input (CH1/CH2, CH3/CH4): BNCa2, AES/EBU format SDI input: BNCa2, active through, complies with ITU-R BT.656-4 standard $Audio output connector Analogue output (CH1, CH2, CH3, CH4): XLRa4, low impedance, +4/0/–20 dBu selectable Digital output (CH1/CH2, CH3/CH4): BNCa2, AES/EBU format, 75Ω, 1.0 ± 0.2 V [p-p] SDI output: BNCa3, 75Ω, complies with ITU-R BT.656-4 standard Monitor output: XLRa2, low impedance, +4/0/–20 dBu selectable Headphones: Stereo mini jack, 8Ω, variable level [Other Input/Output Connectors] Time code input: XLRa1, 0.5 V to 8.0 V [p-p], 10 kΩ Time code output: XLRa1, low impedance, 2.0 V ± 0.5 V [p-p] RS-422A input: D-sub 9-pin, RS-422A interface RS-422A output: D-sub 9-pin, RS-422A interface RS-232C: D-sub 25-pin, RS-232C interface Parallel input/output: D-sub 25-pin Encoder remote: D-sub 15-pin [AUDIO] $Digital audio Sampling frequencies: 48 kHz (synchronous with video) Quantizing: 16 bits Frequency response: 20 Hz to 20 kHz ±1.0 dB (at the reference level) Dynamic range: Better than 90 dB (1 kHz, emphasis OFF, “A” weighted) Distortion: Less than 0.05% (1 kHz, emphasis OFF, reference level) Crosstalk: Less than –80 dB (1 kHz, between 2 channels) Wow & flutter: Below measurable limit Headroom: 18 dB De-emphasis: T1 = 50 µsec, T2 = 15 µsec (auto on/off) $Cue track Frequency response: 300 Hz to 6 kHz ±3.0 dB (DVCPRO50) Weight and dimensions when shown are approxlmately. Speclilcailons are subject to change without notice.