SY SY-3A-40W Installation Manual Download Page 5

 SY-3A-40W 

www.sy.co.uk 

Setting

 

Up / Down Buttons Control:

 

MIC 

Volume of the MIC / LINE input 

LINE 

Volume of the selected LINE input 

BASS 

Bass response of the output 

TREBLE 

Treble response of the output 

 
The MUTE button turns off the output when its LED is lit. 

Using IR Remote Controls 

Connect the IR sensor to the IR socket and place the detector in sight of the remote control keypad. The 
keypad controls the same amplifier functions as the front panel buttons: 

Button 

Function 

Input Select 1 

Selects line input 1 

Input Select 2 

Selects line input 2 

Input Select 3 

Selects line input 3 

Mic Mute 

Mutes the MIC / LINE input 

Line Mute 

Mutes the selected line input signal 

Speaker 

Unmutes both the MIC / LINE and the selected line input. 

MIC+ & MIC- 

Increase or decrease the MMIC / LINE input volume 

LINE+ & LINE- 

Increase or decrease the selected line input volume 

BASS+ & BASS- 

Increase or decrease the bass response 

 & TREBLE- 

Increase or decrease the treble response 

RS232 Control Commands 

The following RS232 commands provide control of the SY-HD-S41 from a PC, laptop or programmable 
control panel. The RS232 settings are: 9600 baud, 8 bits, no parity, and 1 stop bit. 

All response values given in the following table are examples only. The actual response values will reflect 
the changes that the transmitted RS232 command has just made. 

Numerical values for the direct setting commands are in decimal only. 

Action

 

Command

 

Response

 

Select Line input 1 

1A1. 

A: 1 -> 1 

Select Line input 2 

2A1. 

A: 2 -> 1 

Select Line input 3 

3A1. 

A: 3 -> 1 

Mute MIC / LINE input and Line Out 

0A0. 

Mute Audio 

Mute MIC / LINE input only 

1A0. 

Mute MIC 

Mute Line Out only 

2A0. 

Mute LINE 

Turn all audio output on 

0A1. 

Unmute Audio 

Summary of Contents for SY-3A-40W

Page 1: ...SY 3A 40W SY Electronics Ltd Unit 7 Worrall Street Salford Greater Manchester M5 4TH United Kingdom Tel 44 0 161 868 3450 Fax 44 0 161 868 3459 www sy co uk Installation Guide 40W Power Amplifier...

Page 2: ...er microphone input Talk over microphone has three operating modes 48V MIC level or LINE level Auto muting when no input signal present 70V US or 100V EU line speaker output IR control to adjust the a...

Page 3: ...put 3 5 mm jack used with the IR key pad Speaker output connector 3 way terminal Output terminals for 100V UK EU or 70V US line speakers Safety Instructions To ensure reliable operation of this produc...

Page 4: ...et to LINE and then try the MIC setting if no sound can be heard even after adjusting the controls on the SY 3A 40W unit Once the two three position switches have been set the remaining audio sources...

Page 5: ...MIC Increase or decrease the MMIC LINE input volume LINE LINE Increase or decrease the selected line input volume BASS BASS Increase or decrease the bass response TREBLE TREBLE Increase or decrease th...

Page 6: ...volume 7xx xx is from 00 to 60 Volume of LINE 50 Direct setting of BASS level 8xx xx is from 00 to 08 804 gives flat response Bass of LINE 04 Direct setting of TREBLE level 9xx xx is from 00 to 08 90...

Page 7: ...SY 3A 40W www sy co uk Figure 1 SY 3A 40W Connection Diagram...

Page 8: ...contacting SY Technical Support 2 When calling SY Technical Support the following information should be provided Product name and model number Product serial number Details of the fault and any condi...

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