AV 62
AUDIO VISUAL MIXER
OPERATING INSTRUCTIONS
and trouble-shooting guide
LECTROSONICS, INC.
Rio Rancho, New Mexico - U.S.A.
Page 1: ...AV 62 AUDIO VISUAL MIXER OPERATING INSTRUCTIONS and trouble shooting guide LECTROSONICS INC Rio Rancho New Mexico U S A ...
Page 2: ...a computer or other RS 232 compatible controller The AV62 may be coupled with AM8s and or TH2s to provide added microphone inputs or teleconferencing capability Table of Contents INTRODUCTION 2 GENERAL TECHNICAL DESCRIPTION 3 INSTALLATION 4 FRONT PANEL DESCRIPTION 6 REAR PANEL DESCRIPTION 7 OPERATING INSTRUCTIONS 8 REMOTE LEVEL CONNECTIONS 9 TROUBLESHOOTING 9 SERVICE AND REPAIR 10 RETURNING UNITS ...
Page 3: ...el 9 pin D Sub connector that replicate the function of the front panel pushbuttons for remote control applications In addition both the Program and Mono output levels may be individually remotely controlled using a 10K linear pot Signals from the Expansion In and Expansion Out connectors allow an AV62 to be combined with one or more AM8s if more than 2 microphone inputs are necessary for the appl...
Page 4: ...C RS232 AM8 Automatic Mic Mixer Master Slave Switch in SLAVE Position PWR IN CH40 IN M A S T E R S L A V E 20 VAC RS232 Additional AM8 s EXPANSION OUT EXPANSION OUT PWR IN 20 VAC CH40 IN OUT LecNet RS232 EXPANSION Master PWR IN CH40 IN 20 VAC LecNet RS232 E X P A N L O C A L Slave EXPANSION OUT TH2 Telephone Interface Switch in EXPAN Position Figure 2 Figure 3 Microphone connections should be made...
Page 5: ...WR IN 20 VAC CH40 IN OUT EXPANSION LecNet RS232 Master LECTROSONICS EXP OUT To Recorder Auditory Assist OUTPUT PWR IN CH40 IN 20 VAC LecNet RS232 E X P A N L O C A L Slave EXPANSION OUT Switch in EXPAN Position Figure 4 Figure 5 Output connections to the Program Out or Main Out connectors can be made balanced or unbalanced If an unbalanced connection is desired simply connect the unbalanced signal...
Page 6: ...lect Button This button forces the AV62 into the single line input select mode In this mode only one line input at a time may be selected as the active input When a new input is selected using the Line Input Select buttons or the rear panel remote Line Memory Select contact closure inputs the previous input is automatically turned off Multiple Line Input Select Mode Line Input 2 Select Button This...
Page 7: ...32 REMOTE CONTROL PROGRAM OUT LINE LEVEL LEFT RIGHT MONO OUT LINE LEVEL MIC INPUTS 0dB MIC INPUT GAIN 30dB 50dB INPUT GAIN 1 2 1 2 L R 2 1 1 LINE INPUTS 2 L R 4 3 3 4 L R 6 5 5 6 EXPANSION LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LIMIT LIMIT Figure 7 AV62 Rear Panel PWR IN Accepts power from a CH40 single AC adaptor or a CH4 40 quad AC adaptor EXPANSION IN OUT Allows the interconnection of the AV62 to ...
Page 8: ...channel mixer as far as program inputs are concerned For example if program input 1 was active and the Program Input Select 3 button is pushed both program input 1 and program input 3 will be active Program Input Select 3 Toggles the AV62 between Local Mode and Memory Recall Mode In Local Mode the Local Mode LED is lighted and the Program Input Select buttons or the rear panel remote Line Memory S...
Page 9: ...PROGRAM VOLUME CONTROL 10K LINEAR POT CONTINUOUS MONO VOLUME CONTROL EXTERNAL 0 2 5V DC CONTROL VOLTAGE Maximum Distance vs Wire Gage for Remote Control Connections 20 AWG 5000ft 22 AWG 3000ft 24 AWG 2000ft 26 AWG 1200ft 28 AWG 750ft PIN 2 LINE 2 SELECT PIN 3 LINE 3 SELECT PIN 4 LINE 4 SELECT PIN 5 LINE 5 SELECT PIN 6 LINE 6 SELECT PROGRAM PIN 7 VOLUME PIN 8 MONO VOLUME PIN 9 GND Figure 8 Remote L...
Page 10: ...for an exact quotation We will be happy to quote approximate charges by phone for out of war ranty repairs RETURNING UNITS FOR REPAIR You will save yourself time and trouble if you will follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by letter or by phone We need to know the nature of the problem the model number and the serial number of the e...
Page 11: ... Mono Program Out Limiters Threshold 15dBu to 25dBu off Maximum System Gain Mic Input to Mono Out 72dB Program Input to Program Output 22dB System Noise Less than 80dBu 20Hz 20kHz System Frequency Response 15Hz 55kHz 0 3dB System THD Less than 0 1 any gain setting 10dBu out System IMD Less than 0 1 any gain setting 10dBu out Phantom Power 15V switch selectable per channel Power Consumption 10 Watt...
Page 12: ... LecNet Device Receive Tip LecNet Device Transmit TX 2 Sleeve Gnd Sig Gnd 7 Host 1 Serial LecNet Port 4 Port 5 PC 10k DSR 6 optional DTR 20 Chassis Gnd RTS CTS LecNet to AMX Connection 3 5MM 9 Pin Female S R T Stereo Plug D Subminiature N C 1 Tip LecNet Device Transmit RXD 2 Ring LecNet Device Receive TXD 3 Sleeve LecNet Port Gnd N C N C Gnd 4 5 6 AMX Port N C 7 N C 8 N C 9 AMX Programming Notes I...
Page 13: ...s DataByte ASC INPUT 1 1 Receive 0 byte The ASC function is used to convert the received string data to numeric data PRINT 1 CHR 1 Output the Acknowledge command DataByte ASC INPUT 1 1 Receive the length of the acknowledge string 4 for the AV62 Name INPUT DataByte 1 Receive the name string AV62 The first PRINT and INPUT sequence must precede every command sent even if the command is sent to the sa...
Page 14: ...eak audio levels since the last check The latter option is useful if the levels are not checked often Host sends command 4 Host sends 1 data byte 0 get current audio levels 1 get peak audio levels since last check Host receives 3 data bytes Byte 1 Left audio level Byte 2 Right audio level Byte 3 Mono audio level Get Current Memory Outputs the current active memory Data ranges from 0 6 where 0 mean...
Page 15: ...l bits If bit 0 is 1 the Right program output mix includes the summed signals from the right program inputs If bit 1 is 1 the Right program output mix includes the summed signals from the microphone inputs If bit 3 is 1 the Right program output mix includes the signal from the Expansion input Byte 18 Mono program output mix Bits 0 1 3 and 5 are the only meaningful bits If bit 0 is 1 the Mono progr...
Page 16: ...mand 26 Host sends 2 data bytes Byte 1 input to set 0 or 1 corresponds to mic 1 or mic 2 Byte 2 new gain level 0 63 see above for gain data range Get Current Tone Control Levels Outputs the current setting of any one of the four tone controls Tone control data range is 0 8 where 0 corresponds to 10dB boost 4 is flat and 8 is 10dB cut Host sends command 27 Host sends 1 data byte Desired tone contro...
Page 17: ...a bytes Byte 1 Mono output gain least significant 7 bits Byte 2 Mono output gain most significant bit Get Output Mix Status Outputs the mix status of any one of the four AV62 outputs Mix status indicates which available signals in the AV62 are current components of the desired output Host sends command 50 Host sends 1 data byte Desired output 0 Left 1 Right 2 Mono 3 Expansion Out Host receives 1 d...
Page 18: ...f the AV62 FCC PART 15 NOTICE This equipment has been tested and found to comply with the limits for a class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with t...
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Page 20: ...trosonics Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of Lectrosonics Inc and the entire remedy of the purchaser for any breach of warranty as outlined above NEITHER LECTROSONICS INC NOR ANYONE INVOLVED IN THE PRODUCTION OR DELIVERY OF THE EQUIPM...
