Bosch Security Systems Inc. M517 Manuel D’Utilisation

TR-825 Users/Owners Manual Page 2

TR-825 Controls / Operation

1. I/C A On/Off Volume Knob

Operation: Either I/C “A” or I/C “B” knob turns beltpack on. Both knobs must be off to turn the
unit off. If only one knob off, then only that I/C channel is off for both transmit and receive audio.

2. I/C A Talk LED

Operation: Activated when “A” talk button pressed and “A” I/C knob on. Also activated if “A”
I/C knob on and WTA (default set to A or both) button pressed

3. I/C A Talk Button

Operation: Press to send audio to transmitter.

4. WTA (Wireless Talk Around) Button

Operation: Press to send audio to transmitter. Software selectable default as to which I/C
channel, or both, is activated along with the WTA button if no talk button is on.

5. WTA LED

Operation: Activated when WTA button pressed.

6. SA (Stage Announce) Button

Operation: Press to send audio when SA button pressed.

7. SA LED

Operation: Activated when SA button pressed.

8. BAT/OM

Operation: Activated when battery voltage drops below 6.5V or audio limiter is activated.

9. I/C B Talk Button

Operation: Press to send audio to transmitter.

10. I/C B Talk LED

Operation: Activated when “B” talk button pressed and “B” I/C knob on. Also activated if “B”
I/C knob on and WTA (default set to B or both) button pressed.

11. I/C B On/Off Volume Knob