Wohler AMP-S8 Series User Manual Download Page 41

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AMP-S8

User Manual P/N

821640

Rev-

Section 3:

Technical Information

NOTE:

PCB layout and schematic support documentation is available upon request.

Wohler Technologies, Inc.

31055 Huntwood Avenue

Hayward, CA 94544

1-888-596-4537 Fax: (510) 870-0811

web: www.wohler.com

e-mail: [email protected]

Wohler Technologies, Inc.

31055 Huntwood Avenue

Hayward, CA 94544

Phone:

(510) 870-0810

Fax:

(510) 870-0811

US Toll-Free:

1-888-596-4537

www.wohler.com [email protected]

Summary of Contents for AMP-S8 Series

Page 1: ...DM1 DM2 andDM3DownmixBlockDiagrams Section 3 Technical Information GeneralTechnicalinformation BalanceControlCharacteristics AMP S8Series InterconnectBlockDiagram AMP S8 Series DA SDA HDA and MDA Mod...

Page 2: ...ent of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachme...

Page 3: ...FN Button press and release the PAIRS Button Use the R UP and R DOWN Buttons or L UP and L DOWN Buttons to cycle up or down through the channel pairs assignable to the left right speaker channels Chan...

Page 4: ...ES balanced or unbalanced outputs 8 channels from two selected SDI Groups FourAES EBU balanced inputs and loop throughs on a DB 25 connector EightAnalog inputs on a balanced DB 25 connector EightAnalo...

Page 5: ...d DIPswitchselectableonrearpanel 24dBubalanced 8 6 4 or 0 dBu 20 18 or 9 dBFS VU and PPM AES 32 48KHz auto select 24 bitlowjitter 104 dB SPL 6 or less at worst case frequencies above 140 Hz including...

Page 6: ...on of the audio feeds is straightforward Please refer to the system interconnect block diagram on page 40 for clarification of the general signal paths into and out of the AMP S8 Series units There ar...

Page 7: ...the User Interface User Interface Features User Interface Function Guide Section 2 NOTE Throughout the manual the following terms are used to refer to Serial Digital SDI signals SD SDI refers only to...

Page 8: ...ng these two recessed trimpot controls The left control adjusts the brightness of the left four LED bargraphs and the right control adjusts the brightness of the right four bargraphs Use a small flat...

Page 10: ...Output From SDI Connector Option for 2U SDA and MDA Models only This option is available only on the 2U rack SDA and MDA models When the CVBS Video Out option is specified a female BNC connector insta...

Page 12: ...OWN position to access the 919212 audio de embedder module Unbalanced AES PCM Input Connectors 1 4 AES1 and Termination In this input section there are four unbalanced female BNC input connectors 1 2...

Page 14: ...ware Upgrade function In the table shown the Analog Reference Level Analog left column is the analog input level needed to turn on the bargraph segment at the associated Digital Reference Level Digita...

Page 15: ...nnector is attached to the rear panel by a plate Under this connector and plate is the cutout for the optional DB 25 connector Inside the unit the HD 15 connector Item N is connected to an output PCB...

Page 16: ...t see Figure 2d page 17 The LCD Display provides the visual feedback and status indication for these operations Multi Mode Color Codes A mode within the context of this manual is understood to mean a...

Page 17: ...c ALL rights reserved 17 AMP S8 Series User Manual P N 821640 Rev B Section 2 Operation Figure 2c Major Operational Modes Submodes and Parameters Introduction to the User Interface Figure 2d Front Pan...

Page 18: ...or Item 7a above for a description of the function of these indication LEDs L UP SINGLE or Button Selection Navigation Using the UP and DOWN Buttons L UP or L DOWN Button The L UP and L DOWN and R UP...

Page 19: ...5 7 1 3 5 7 1 3 5 7 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 Source Status SD SDI Input 2 SDI Group Group 2 Input Lock Status Channels 1 2 3 4 5 6 7 8 Locked Mix Status Downmix DM3 SDI Group Group 1 Mi...

Page 20: ...through using the or Buttons and selections are accepted by pressing the Button The currently displayed menu may be exited by pressing the Button Current settable options in Setup Mode are Recall Pres...

Page 21: ...the second line of the display A moving block may also be present in these positions to indicate the instantaneous short time sample phase correlation The three positions are as follows Center Only on...

Page 22: ...Is Preset Mode required in order to use presets No you can Save and Recall presets 0 9 using the Setup Menu commands Save PSet and RCall Pset Also presets 1 4 can be saved and recalled using the front...

Page 23: ...d Gain SDI Delay Startup Analog Output Preference Setup Mode Menu Navigation Flow Chart Operational State Modes Enabling Mute States This Function Guide references the operation of the AMP S8 Series m...

Page 24: ...the default operational state of the monitor when selection modes operational state modes display modes and setup modes are not enabled In this mode the LCD display indicates the current operational s...

Page 25: ...ght corners of the display respectively The CHANNEL MIX LEDs also indicate these channel assignments by lighting up in the same manner as described in Channel Mix Selection section above Downmix Selec...

Page 26: ...this point will prompt the user whether to Keep Old Name where the existing name can be retained by pressing ENTER If the user presses ES C then they will be prompted for a new preset name as follows...

Page 27: ...ng Phase Correlation Indication Button Pressed by itself the Button enables the Phase Correlation Indicator in the LCD Display The average correlation phase for the selected channel pair is indicated...

Page 28: ...Setup Mode The display will indicate the software version number and the menu selection Setup RCallPSet if presets are saved Press theUPButton display changes to Setup SavePSet Press theUPButton agai...

Page 29: ...Air Preset1 Off Air Preset1 Off Air Preset1 Off Air Pressing the ENTER Button keeps the old name for the new preset Pressing the ESC Button results in a prompt for a new preset name as follows AES1 A...

Page 30: ...rational Mode Surround Gain Srnd Gain To change Surround Gain select Srnd Gain and then press the ENTER Button Surround Gain adjust screen display will indicate Setup Setup Setup Setup Setup Srnd Gain...

Page 31: ...own Up Down ESC ENTER Up Down Up Down ESC ENTER ESC ENTER 0 ms 20 ms Up Down ESC Enter 40 ms 60 ms Up Down Up Down 240 ms etc 260 ms 280 ms Up Down Up Down Up Down Normal Operation DONE ESC ESC Erase...

Page 32: ...eakers Mute LR Second press mutes the Left speaker Mute L Third press mutes the Right speaker Mute R Fourth press returns the unit to Unmuted normal operation Muting functions affect the signals to th...

Page 33: ...Diagram A AMP S8 DM1 Downmix Gain Output Input Gain Left Surround Input Gain Right Surround Input Center Input Left Input Sum Input Sum Input Input Sum Fixed 3dB 1 Root 2 Right Input Fixed 3dB a 1 Roo...

Page 34: ...ix Gain Output Input Gain Gain Sum Input Sum Input Input Input Sum Fixed 3dB 1 Root 2 Left Right Input Gain Output Output Gain Input Gain Input Gain Output Input Input Input Input Sum Gain Input Gain...

Page 35: ...Diagram C AMP S8 DM3 Downmix Gain Output Input Gain Left Surround Input Gain Right Surround Input Center Input Left Input Sum Input Sum Input Input Sum Fixed 3dB 1 Root 2 Right Input Fixed 3dB a 1 Ro...

Page 37: ...hnologies Inc ALL rights reserved 37 AMP S8 Series User Manual P N 821640 Rev B Technical Information General Technical Observations Balance Control Characteristics AMP S8 Series Interconnect Block Di...

Page 38: ...it The signal pick off for the headphones is after the volume and balance controls Speaker muting is controlled by circuitry that senses connection of headphones to the jack The power amps are attache...

Page 39: ...right speaker channel will reproduce the midrange and high range frequencies of the Spanish speaking voice and the woofer speaker channel will reproduce the summed combined low range frequencies of b...

Page 41: ...tic support documentation is available upon request Wohler Technologies Inc 31055 HuntwoodAvenue Hayward CA 94544 1 888 596 4537 Fax 510 870 0811 web www wohler com e mail support wohler com Wohler Te...

Page 42: ...hler Technologies Inc 31055 HuntwoodAvenue Hayward CA 94544 1 888 596 4537 Fax 510 870 0811 web www wohler com e mail support wohler com Wohler Technologies Inc 31055 Huntwood Avenue Hayward CA 94544...

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