Panasonic Sc Zt2 Operating Instructions
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VQT2R70 11 Optical fi ber cable (not included)Stereo connection cable (not included) • For the correct type of video cable, refer to the operating instructions for the equipment you are connecting. Connecting equipment without HDMI terminal (DVD player, VCR, etc.) Connection cable Connecting the optical fi ber cable Insert the cable so its shape fi ts correctly into the terminal. Do not bend! Make the connection either A or B according to the suitability for your equipment. To connect a DVD recorder with built-in VCR (When the DVD recorder has DVD output terminal and DVD/VHS output termi\ nal, make the following connections.) Make the above connection A for DVD output terminal. Make the above connection B for DVD/VHS output terminal. TV Digital audio out (optical) Connect the video cable directly from the other equipment to the television. Use this connection so audio from the equipment can be heard through the television’s speakers even if this system is in standby mode. Main unit Video cableAudio cable DVD player, VCR, etc. R L Audio out Digital audio out (optical) VIDEO OUT AUDIO OUT VIDEO IN AUDIO IN • Turn off all equipment before making any connections. • To connect equipment, refer to the appropriate operating instructions. Home Theater connections Connection 5%
VQT2R70 12 For power consumption of speaker, see page 14. Other connections AC power supply connection Connection cable HDMI cable (not included)Stereo connection cable (not included) ✽ See page 9 for connecting this system to TV. Main unitHDMI Video/Audio out Blu-ray Disc player/ DVD recorder, etc. Main unit Audio out CD player etc. L R You can connect a commercially available active subwoofer (with built-in amplifi er) (not included) to the subwoofer output terminal ( ➜ page 6) if you want to enjoy deeper bass sounds. Connection cable Monaural connection cable (not included) Home Theater connections Main unit Connect AC power supply cord after all other cables are connected. This system consumes approx. 0.5 W when the AC power supply cord is connected to the household AC outlet (approx. 0.2 W in Standby condition (HDMI off mode) ( ➜ page 22)). Household AC outlet (AC 120 V, 60 Hz) AC power supply cord (included) AC IN :* Side view Household AC outlet (AC 120 V, 60 Hz) AC power supply cord (included) To save power when the system is not to be used for a long time, unplug it from the household AC outlet. Make sure to turn this system off before unplugging the AC power supply cord. If you unplug the AC power supply cord without turning this system off, some of the settings may not be saved. SpeakersHome Theater connections/AC power supply connection Connection • Turn off all equipment before making any connections. • To connect equipment, refer to the appropriate operating instructions. Note • The included AC power supply cords are for use with this system only. Do not use them with other equipment. Also, do not use the AC power supply cord for other equipment with this system. To connect a second set of equipment that supports HDMI To connect audio equipment (CD player, etc.) To connect a subwoofer (not included) Main unit 5%
VQT2R70 13 1. Turn the main unit on. Press• “2CH SEARCH ” appears on the display. (This is displayed only at the first-time setting.) 2. Turn 2 speakers on. [WIRELESS LINK] indicator Press WIRELESS LINK POWER • The color of the [WIRELESS LINK] indicator changes from red to green. • When the [WIRELESS LINK] indicator of each speaker lights green, “2CH SEARCH ” display disappears. 3. Press and hold [CH] on the remote control for about 3 seconds until “\ 2 SPKR SET ” is displayed on the main unit’s display. Always aim the remote control at the main unit for operation. Press and hold (about 3 seconds) “2 SPKR SET ” 4. Press the remote control button corresponding to the speaker outputting \ the con fi rmation sound. When the sound is output from the front speaker (left), press [GAME]. When the sound is output from the front speaker (right), press [MUTE].Front speaker (left) Front speaker (right) GAME MUTE • Sound is output from either of the speakers. • When you press the button corresponding to the confi rmation sound of a speaker, another speaker outputs the confi rmation sound. Press the corresponding button in the same way and complete settings for the 2 speakers. • When “COMPLETE ” disappears from the main unit’s display, the speaker setting is complete. Note • Check if the speakers are properly set after setting the speakers. (➜ page 14) • If the speakers are set incorrectly in step 4, turn the main unit off then on again and perform steps 3 and 4. • If the [WIRELESS LINK] indicator does not change from red to green, see page 27 of “Troubleshooting guide”. Speaker setting „ Make sure that all equipment has been turned off. (When the VIERA Link “HDAVI Control” compatible Panasonic TV (VIERA) and Blu-ray Disc player/DVD recorder (DIGA) are connected, do not turn on the TV (VIERA) and Blu-ray Disc player/DVD recorder (DIGA) until the setting is complete.) „ Connect the AC power supply cords of main unit and 2 speakers to household AC outlets. ( ➜ page 12) „ Make sure that the main unit and speakers have been turned off. „ Prepare the remote control. ( ➜ page 7) Preparations Make sure to make this setting when using for the fi rst time after purchase. Setting the speakers Speaker setting Connection When installing surround speakers See “Installing surround speakers” ( ➜ page 14) and “Setting surround speakers” ( ➜ page 15). 5%
VQT2R70 14 When the speakers are detected, the Wireless Link display lights up on the main unit’s display. (Blinks during detecting operation.) While the wireless speakers operate normally, the Wireless Link display lights, but when radio waves are interrupted (When speakers are in Standby condition, etc.), it blinks.DisplayWWireless Link display • The optional speakers can be purchased at the shop where you bought this system. • Confirm the color of the front speaker before buying the optional speakers.When the front speaker is black: SB-ZT2PP-K When the front speaker is silver: SB-ZT1PP-S • Place them slightly at the back right and left of the listening-viewing position. • There is no positional distinction for each speaker before setting. • Aim the front face (with Panasonic logo) of each speaker at the listening- viewing position for setting. Note Set the distance from each speaker to the listening-viewing position. (➜ page 22) Checking the speaker setting 1. Turn the main unit on. 2. Press [TEST] on the remote control to output the test signal. 3. Make sure that the display of main unit matches speaker locations. The test signal is output from one speaker at a time for about 2 seconds in the order shown below. “TEST L ” → “TEST R ” → “TEST RS ” ✽ → “TEST LS ” ✽ „ Confi rm the correct setting locations in the following chart. Display Speaker outputting the test signal TEST L Front left TEST R Front right TEST RS ✽Surround right (right back) TEST LS ✽Surround left (left back) Note If the speakers are not properly set, do either of the following. • Move the speakers according to the unit’s display. • Perform steps 3 and 4 of “Setting the speakers” (➜ page 13). When using the surround speakers, perform steps 7 and 8 of “Setting surround speakers” (➜ page 15). 4. Press [TEST] on the remote control to stop the test signal. If the speaker is repaired or replaced Perform the above “Checking the speaker setting” to confi rm that the speaker properly operates. Do the following operations if the sound is not produced normally: 1. Press and hold [INPUT SELECTOR] on the main unit about 3 seconds until “2CH SEARCH ” is displayed. 2. Perform steps 2 to 4 of “Setting the speakers” ( ➜ page 13). Installing surround speakers You can enjoy more dynamic surround playback with this system by installing Panasonic surround speakers SB-ZT1/SB-ZT2. Speaker setting • When you turn the main unit off with the speakers on, the speakers automatically enter Standby (Wireless Link Standby). The color of the [WIRELESS LINK] indicator turns to red. • To reduce more of the power consumption of speakers in Standby, turn the speakers off. The speakers enter Standby (In Standby condition). Wireless Link Standby: approx. 0.8 W (per 1 speaker) In Standby condition: approx. 0.1 W (per 1 speaker) ✽ Displayed only when using the surround speakers. Speaker setting Connection Press • To adjust the speaker volume, press [VOL +, –]. The surround speakers are not included. Setup exampleFront speaker (right) Front speaker (left) Connected equipment Main unit Surround speaker (left) Surround speaker (right) Approx. 120° 5%
VQT2R70 15 Setting surround speakers „ Link the front speakers wirelessly fi rst and then make the settings for the surround speakers. Preparations • Make sure that all equipment has been turned off. (When the VIERA Link “HDAVI Control” compatible Panasonic TV (VIERA) and Blu-ray Disc player/DVD recorder (DIGA) are connected, do not turn on the TV (VIERA) and Blu-ray Disc player/DVD recorder (DIGA) until the setting is complete.) • Connect AC power supply of main unit and 4 speakers to household main so\ ckets. (➜ page 12) • Make sure that the main unit and speakers have been turned off. • Prepare the remote control. (➜ page 7) 1. Turn the main unit on. 2. Turn on the front speakers. • The color of the [WIRELESS LINK] indicator of the front speaker changes from red to green. • Do not turn on the surround speakers yet at this point. The color of the [WIRELESS LINK] indicator does not change from red to g\ reen even if the power is turned on. 3. Set “4CH ” at the setting operation of “Changing the number of speakers to\ 4” below. 4. Turn the main unit off once. 5. Turn the main unit on again. • “4CH SEARCH ” appears on the display. (This is displayed only at the fi rst-time setting.) 6. Turn on the surround speakers. • The color of the [WIRELESS LINK] indicator of the surround speaker changes from red to green. • When the [WIRELESS LINK] indicator of each speaker lights green, “4CH SEARCH ” display disappears. 7. Press and hold [CH] on the remote control for about 3 seconds until “\ 4 SPKR SET ” is displayed on the main unit’s display. • Always aim the remote control at the main unit for operation. 8. Press the remote control button corresponding to the speaker outputting \ the con fi rmation sound. When the sound is output from the surround speaker (right), press [ RETURN]. When the sound is output from the surround speaker (left), press [–SETUP, OFF].When the sound is output from the front speaker (left), press [GAME]. When the sound is output from the front speaker (right), press [MUTE]. Front speaker (left) Front speaker (right) Surround speaker (left) Surround speaker (right) GAME MUTE RETURN –SETUP, OFF • Sound is output from any of the speakers. • When you press the button corresponding to the confi rmation sound of a speaker, another speaker outputs the confi rmation sound. Press the corresponding button in the same way and complete settings for all 4 speakers. • When “COMPLETE ” disappears from the main unit’s display, the speaker setting is complete. Note • Check if the speakers are properly set after setting the speakers. (➜ page 14) • If the speakers are set incorrectly in step 8, turn the main unit off then on again and perform steps 7 and 8. • If the [WIRELESS LINK] indicator does not change from red to green, see page 27 of “Troubleshooting guide”. Speaker setting Connection Changing the number of speakers to 4 1. Press and hold [–SETUP, OFF] for about 2 seconds. The setting items are displayed. (➜ page 21) 2. Press [ w][ q ] to select “SPEAKERS ” and press [OK]. 3. Press [ e][ r ] to select “4CH ” and press [OK]. 2CH : When only front speakers are installed (factory setting) 4CH : When surround speakers are additionally installed • When changing the number of speakers to 2, select “2CH ” and press [OK]. 4. Press [ e][ r ] to select “YES ” and press [OK]. • To cancel, select “NO ”. 5. Press [ RETURN] several times to select “EXIT ” and press [OK] to fi nish the setting. Note When you select “EXIT ” and press [OK] in step 2, the setting mode fi nishes. „ To return to the previous display/To cancel during setting operation: Press [ RETURN]. 5%
VQT2R70 16 • Turn on the TV and switch its input to match the connection (HDMI, for \ example) using the TV remote control. • Make sure that the speakers are on. (The following are operations when the power is on in Wireless Link Standby.) Enjoying movies and music PressINPUT SELECTOR 1Turn on the system. Press (The input source switches each time you press the button.) TV : TV (optical, analog) BD/DVD : Blu-ray Disc player/DVD recorder (HDMI)AUX 1 : AUX1 terminal (HDMI) AUX 2 : AUX2 terminal (optical) AUX 3 : AUX3 terminal (analog) Operation on the main unit 2 Select the source. 3 Start play on the connected equipment. 4To adjust the volume. Tu r n Note • See page 27 for digital signals that can be played on this system. • Depending on the playback signal, you may feel the volume of the bass or\ surround speakers is not balanced with the volume of the front speakers. In this case, you can adjust the speak\ er volume during playback. (➜ page 20) • Even if you switch input to “TV ”, images (or audio) of the equipment connected to the BD/DVD IN te\ rminal or AUX1 terminal are output from the TV OUT terminal. When the equipment is conn\ ected to both the BD/DVD IN terminal and AUX1 terminal, signals of equipment whose input is lastly selected are o\ utput. • When using a DVD recorder with built-in VCR (with the DVD output termin\ al and DVD/VHS output terminal mounted), select the input as follows in step 2 above. To enjoy DVD (when connected to AUX2): select “AUX 2 ”. To enjoy video (when connected to AUX3): select “AUX 3 ”. TV : TV (optical,analog) BD/DVD : Blu-ray Disc player/DVD recorder (HDMI) AUX 1 : AUX1 terminal (HDMI) AUX 2 : AUX2 terminal (optical) AUX 3 : AUX3 terminal (analog) „ “AUX 1”, “AUX 2”, and “AUX 3” switch every time you press [AUX]. Press this button to turn on the system. 1 2 3 4 „ After playback, reduce the volume level and turn off. To select the source press one of these buttons. Start play on the connected equipment. „ You can enjoy a variety of surround effects. ( ➜ page 17) To adjust the volume press these buttons. or or Adjustment range: 0 (Min) to 50 (Max) Aim the remote control toward the signal sensor ( ➜ page 7) on the main unit of this system. Preparations Play Enjoying movies and music 5%
VQT2R70 17 Canceling sound fi eld effects Press • The surround effects disappear for 2-channel sources such as CD and TV. • When the input signals are multi-channel LPCM or surround digital signals such as Dolby Digital or DTS, those signals are converged and are output from the left and right front speakers. When you use surround speakers, the surround playback ( ➜ below) is achieved. • The condition before the sound field effect is canceled is restored when you turn the unit off/on, switch input sources or plug/unplug the headphones. Enjoying sound fi eld effects Sound fi eld effects differ depending on input sources. Select the mode you prefer after listening to the actual sound. Dolby Virtual Speaker You can enjoy surround effects as if you were listening to 5.1 channel sources. (Dolby Pro Logic also works for stereo signals of video, CD, etc.) „ Using Dolby Virtual Speaker Press • The mode switches each time you press the button. ( ➜ below) REFERENCE (Standard mode) Standard sound effect. WIDE (Wide mode) Broadens the effect to the left and right. SFC (Sound Field Control) You can enjoy more dynamic and broader surround effects when using SFC with Dolby Digital, DTS and stereo signals (video, CD, etc.). „ Using SFC (Sound Field Control) You can enjoy by adding your favorite surround effect to the Dolby Virtual Speaker ( ➜ above) effect. Press • The mode switches each time you press the button. (➜ below) To cancel SFC mode Press MUSIC LIVESound refl ection and spread as if you were in a large concert hall. POP/ROCKBest suited for pop and rock music. VOCALEnhance vocals. JAZZSound refl ections as if you were in a small Jazz club. DANCESound spread echoing in a large space such as a dance hall. MOVIE NEWSBest suited for dialogs in news and drama movies. ACTIONBest suited for action movies with impact. STADIUMEnjoy the feeling of being at a live sporting event. MUSICALEnjoy the feeling of being at a live musical performance. GAMEEnjoy games with greater audio impact. MONOEnjoy older monaural audio movies. Note • See page 5 about how to display the surround digital signal/ sound field. • If the input signal is 2-channel, Dolby Virtual Speaker also works in conjunction by pressing [ PL ]. (Only when not connecting the surround speakers) • You cannot use Dolby Virtual Speaker, Dolby Pro Logic and SFC when the source contains PCM signals with sampling frequencies of over 48 kHz. They are automatically canceled if those signals are input. To use the effect when playing back other sources, press [ VIRTUAL SPEAKER], [ PL ] or [SFC MUSIC, MOVIE] again to select. • You can also press [GAME] on the remote control to select “GAME ” mode (➜ left) of SFC. (➜ page 20) • When using the surround speakers, Dolby Pro Logic cannot be used for surround signals such as Dolby Digital and DTS, and multi-channel LPCM signals. • When playing back 7.1-channel LPCM signals, you can enjoy wider sound field effects as if another speaker is added. You can make the setting without using this effect. (➜ page 22) Enjoying movies and music Play When connecting the surround speakers Surround playback Multi-channel signals are distributed to the left and right front speakers, and the left and right surround speakers to output. SFC (Sound Field Control) (➜ left) „ Using SFC (Sound Field Control) Press • The mode switches each time you press the button. ( ➜ left) To cancel SFC mode Press [–SETUP, OFF]. (➜ above) Dolby Pro Logic You can enjoy 2-channel sources such as CD with the surround effect. „ Using Dolby Pro Logic Press To cancel sound fi eld effects Press [–SETUP, OFF]. (➜ above) 5%
VQT2R70 18 What is VIERA Link “HDAVI Control” ? VIERA Link™ is a new name for EZ SyncTM. VIERA Link “HDAVI Control” is a convenient function that offers li\ nked operations of this system, and a Panasonic TV (VIERA) or Blu-ray Disc player/DVD recorder (DIGA)\ under “HDAVI Control”. You can use this function by connecting the equipment with the HDMI cabl\ e. See the operating instructions for connected equipment for operational details. • VIERA Link “HDAVI Control”, based on the control functions provided by HDMI which is an industry standard known as HDMI CEC (Consumer Electronics Control), is a unique function that we have developed and added. As such, its operation with other manufacturers’ equipment that supports HDMI CEC cannot be guaranteed. • This system supports “HDAVI Control 4” function. “HDAVI Control 4” is the newest standard (current as of January, 2010) for Panasonic’s HDAVI Control compatible equipment. This standard is compatible with Panasonic’s conventional HDAVI equipment. • Please refer to individual manuals for other manufacturers’ equipment supporting VIERA Link function. 1. You can select “Speaker Selection” (“Home Cinema” or “TV\ ”). When audio is input, the main unit will be automatically turned on if it is in Standby✽ mode and the sound is output from this system’s speakers. You can also adjust the volume level by using the volume control buttons. ✽ “Standby” condition means the condition that the main unit is off. TV (VIERA) speakers become active. When using with the Panasonic TV (VIERA) supporting HDAVI Control 4 or later version, the main unit is automatically turned off. (Intelligent Auto Standby) See operating instructions for the TV (VIERA) as well. TV (VIERA) Speaker Main unit Remote control of TV (VIERA) Speaker Home Cinema TV 2. When you switch off the TV (VIERA), the main unit automatically turns \ off. off off When the VIERA Link “HDAVI Control” compatible Blu- ray Disc player/DVD recorder (DIGA) is connected with an HDMI cable, the Blu-ray Disc player/DVD recorder (DIGA) also turns off. Use the remote control of TV (VIERA) for operation. Operations differ \ depending on the type of TV. What you can do with VIERA Link “HDAVI Control” • The following illustrations and displays are examples, which may differ from the actual product. • When you do operations other than the following, use this system’s remote control. • See operating instructions of the TV (VIERA) as well. Using the VIERA Link “HDAVI Control™” Play Using the VIERA Link “HDAVI Control™” Note • When using with the Panasonic TV (VIERA) supporting HDAVI Control 4 and later version, when the main unit is turned on, the TV (VIERA) is set to “Home Cinema”. When using with the Panasonic TV (VIERA) supporting HDAVI Control 3 and older version, when the main unit is turned on, “TV SPEAKER ” is displayed and audio is output from the TV (VIERA). • When using with the Panasonic TV (VIERA) supporting HDAVI Control when the main unit is turned off, the TV (VIERA) is set to “TV”. • If you perform operations such as selecting a channel on the remote control of the TV (VIERA), this system’s input is switched to “TV ”. • When you play back the Blu-ray Disc player/DVD recorder (DIGA) etc. connected to the BD/DVD IN terminal or AUX1 terminal, this system’s input is automatically switched to “BD/DVD ” or “AUX 1 ”. 5%
VQT2R70 19 For correct use of VIERA Link “HDAVI Control” Use the TV (VIERA) remote control to select “Home Cinema” without turning on the main unit with this system’s power button (including the remote control). (The main unit is automatically turned on.) • See operating instructions of the TV (VIERA) as well. Using the VIERA Link “HDAVI Control™” Play HDMI cable notes • Please use High Speed HDMI Cables that have the HDMI logo (as shown on the cover). • Using the High Speed HDMI cable is recommended during 1080p output. • It is recommended that you use Panasonic’s HDMI cables. (Non-HDMI-compliant cables cannot be utilized.) Recommended part number: RP-CDHS15 (1.5 m / 4.9 ft.), RP-CDHS30 (3.0 m / 9.8 ft.) RP-CDHS50 (\ 5.0 m / 16.4 ft.) etc. Note • Only with the HDMI cable connection, you cannot enjoy TV (VIERA) sounds on this system. Connect the TV (VIERA) to this system with the optical fiber cable (or stereo connection cable) to enjoy TV (VIERA) sound. • See the operating instructions for the TV (VIERA) for VIERA Link “HDAVI Control” operation of connected equipment. Connect this system with VIERA Link “HDAVI Control” compatible TV (VIERA) and DIGA Blu-ray Disc player/DVD recorder (DIGA) with an HDMI cable.Connection Preparations: Check that the “VIERA Link “HDAVI Control” setting” ( ➜ page 23) of this system is “ON ”. Make the setting to activate the VIERA Link “HDAVI Control” function in the menu operation of the TV (VIERA). 1. Turn on all equipment other than the TV. 2. Turn on the TV (VIERA). 3. Switch TV (VIERA) input to the HDMI terminal that this system is conne\ cted to. 4. Ensure that pictures from the Blu-ray Disc player/DVD recorder (DIGA),\ etc. are shown correctly after this system’s input is switched to “BD/DVD ” or “AUX 1 ”. Note Make this setting in the following cases: • when this system is connected for the first time after purchase • when adding or reconnecting equipment • when changing the settings for “Reducing Standby power consumption (In Standby condition (HDMI off mode))” (➜ page 22) and “VIERA Link “HDAVI Control” setting” (➜ page 23) Setup Set “VIERA Link “HDAVI Control” setting” to “OFF ”. ( ➜ page 23) When not using this function Blu-ray Disc player/DVD recorder (DIGA) Main unit TV (VIERA)Make sure to connect to TO TV (ARC) . Digital audio out (optical) HDMI input HDMI Video/Audio OUT HDMI Video/Audio OUTVIERA Link “HDAVI Control” compatible equipment 5%
VQT2R70 20 Functions and settings Using “WHISPER-MODE SURROUND” This function is effective during surround playback only. You can enjoy the dynamic effect even if the sound volume level is low during surround playback. Press [WHISPER-MODE SURROUND] to select “W.S. ON ”. • The current setting is displayed first.Each time you press, the setting switches between “W.S. OFF ” and “W.S. ON ”. „ To cancel Press [WHISPER-MODE SURROUND] to select “W.S. OFF ”. Note WHISPER-MODE SURROUND is not effective in the following cases. When not using the surround speakers: When Dolby Virtual Speaker is off. When using the surround speakers: When Dolby Pro Logic and SFC are off with 2-channel signal input. If the above setting is made when this function is on, this function temporarily becomes off. Using “GAME” Enjoy gaming with more dynamic sound. Press [GAME]. • “GAME ” mode (➜ page 17) in SFC is selected. „ To cancel Press again. If canceled, SFC’s effect itself is canceled. Muting “MUTE ” blinks on the display while the volume is muted. Press [MUTE]. „ To cancel Press again. Note • Muting is canceled when you switch the system to Standby. • Muting is also canceled when you adjust the volume. Adjusting the bass (woofer part) output When you feel the bass volume is not balanced with the volume of the front speakers, you can adjust the bass during playback. 1. Press [CH] to select “WFR ”. (The speaker is switched each time you press the button.) WFR (woofer) → RS (surround right) (when used) → LS (surround left) (when used) 2. Press [SPEAKER LEVEL +, –] to adjust the bass volume. Adjustment range: MIN, 1 to 15, MAX When using the surround speakers, you can adjust them, too. 1. Press [CH] to select “RS ” or “LS ”. (The speaker is switched each time you press the button.) WFR (woofer) → RS (surround right) (when used) → LS (surround left) (when used) 2. Press [SPEAKER LEVEL +, –] to adjust the volume of each speaker. Adjustment range: –10 to +10 „ Repeat steps 1 and 2 to adjust the level of each speaker. Note • You cannot adjust the front speakers with this operation. To adjust the volume balance of left and right front speakers, see “Adjusting the volume balance of front speakers”. ( ➜ page 21) • If the sound is distorted, lower the level. • You cannot adjust the output level of speakers if the sound field effect is off and the speaker’s audio output is set to off. ( ➜ page 17) • You can adjust the speaker’s output level in each SFC mode respectively. ( ➜ page 17) • When a commercially available active subwoofer is connected to the subwoofer output terminal on this unit’s rear panel, the subwoofer is synchronized with the unit and the sound volume is adjusted. To return to the previous display/ To cancel during setting operation ( ➜ page 21): Press [ RETURN]. Play Functions and settings Adjusting the surround speaker output 5%