JBL SUB333 Service Manual

Contents

JBL SUB333 Service Manual Manual pdf 7 page image

3. Late NightThis feature is available for Dolby Digital only. Itcompresses the inherently dynamic digital sound so that thequiet and loud passages are not quite as different in soundlevels as they ordinarily are. This feature allows the user towatch movies and listen to dialogue at toned-down levels soas not to disturb others by the loud sound effects that maybe present. The Late Night indicator (26) illuminates whenthis feature is active.4. InputThis control is available on both the front panel and theremote control. It allows manual selection when the userrepeatedly presses and releases the button for any of theESC333’s four inputs. The ESC333 features an AutomaticDigital Input Selection feature that automatically switchesthe ESC333 to the source connected to one of its two digitalinputs as soon as that device is powered on. Please readthe section on page 3 to thoroughly familiarize yourself withthe conveniences and conditions of using the AutomaticDigital Input Selection feature. The Input switch is also usedwhen the source connected to the ESC333’s analog input isnot the analog source that was listened to the last time theESC333 was on (and hence the Automatic Turn-On featureis not available). The Input switch also turns on the ESC333when pressed (see item 1 earlier in this section). Whenevera specific input is selected either manually or automatically,its indicator (14, 15, 16 or 17) on the ESC333’s front panelwill be illuminated.5. Surround ModePressing and releasing this button allows the selection ofdifferent listening modes. Surround (18), Phantom (19) and3-Stereo (20) are available listening options for Dolby Digitaland Dolby Pro Logic. Stereo (21) bypasses the surroundprocessing and outputs sound through the right andleft-front speakers only. In Surround mode, all five satellitesand the sub-woofer will play. In Phantom mode, all speakersexcept the center channel will play. In 3-Stereo, all speakersexcept for the two surround speakers will be active.6. VolumePress (+) on the remote control or the front panel to raisethe system’s volume. Press (-) on the remote control or thefront panel to lower the system’s volume. The volumesetting is indicated on the status-bar indicator (27).7. 0 dBPress this button to reset the Center, Surround, Balance,Treble and Bass controls to their default positions.8. TestPress this button to activate the Test Tone mode.9. DelayThe relative timing of sounds coming from the center and/orsurround speakers compared to the front-left and front-rightspeakers can be adjusted. The first press of this buttonallows adjustment of the center channel, all the way fromthe default setting of 0 ms (milliseconds), which means nodelay (all status bars off), to a maximum of 5 ms (5 statusbars on). The indicators C (28) and DLY (30) will be on. Thesecond press of the Delay button allows adjustments of thesurround speakers; indicators LS (28) and RS (28) and DLY(30) will be on. The delay can be adjusted from zero (allstatus bars off) to 15 ms (all status bars on) in 5.1 ChannelDolby Digital and from 15 ms (all status bars off) to 30 ms(all status bars on) in Dolby Pro Logic (there is an inherentand fixed 15 ms of delay added in the “matrixed” Dolby ProLogic to recreate the proper surround effect). The centerand surround delay adjustments can be done from eitherDolby Digital or Dolby Pro Logic “matrixed” modes. Thereare no separate delay adjustments for the individual modesof operation. During adjustments, the audio mutesmomentarily every time the Adjustment +/– button (11) ispressed. Please note that the status-bar indicator (27) willnot display unless Adjustment +/– buttons are pressed.Also, while the status-bar indicator (27) is on, channelindicators (28) and DLY (30) will not be displayed. And, ifadjustments are done in a mode where a certain channel isnot available, the adjustment step for that channel iss k i p p e d . F o r e x a m p l e , i n P h a n t o m m o d e , t h ecenter-channel delay cannot be adjusted since Phantomdoes not have a center channel. In Stereo, neither thecenter nor the surround delay can be adjusted since Stereodoes not feature surround speakers or a center speaker. Athird press of the Delay button will exit the ESC333 from itsdelay-adjustment mode.10. LevelThe relative level of sounds coming from each of theESC333’s speakers can be adjusted while listening toprogram material on the ESC333. Repeated pressing andreleasing of the Level button allows access to each channel.The display will indicate LVL (29), and the channelindicators (28) LF (Left Front), C (Center), RF (Right Front),LS (Left Surround), RS (Right Surround) and SUB(sub-woofer) will illuminate to indicate the active speaker.The level for the selected channel can then be changedusing the Adjustment +/– buttons (11). Levels set in onemode will stay valid for all other modes and are notindependent. Please note that the status-bar indicator (27)7Dolby Pro-LogicÒ Surround Processor/Amplifier/Subwoofer SUB333