Bosch Security Systems Inc. M523 User Manual
1.
On/Off & Volume Control – Turns the beltpack power on and controls
headset volume.
headset volume.
2.
[UP] and [DOWN] buttons - Used to select menus and set options on the
LCD.
LCD.
3.
LCD display.
4.
BAT/O.M. Light –
Battery -
Battery -
Light flashes on power up
= Battery OK
Light on continuously = Battery Low
Light does not flash or come on = Battery Dead
Light does not flash or come on = Battery Dead
Microphone Lvl: Light flashes on loudest speech = Gain OK
Light flashes on all speech = Gain too High
Light never flashes on loudest speech = Gain too Low
5.
[COPY] button – Used to assign incoming calls from a digital matrix to
front panel talk and listen buttons.
front panel talk and listen buttons.
6.
Listen Buttons –Used to listen to audio from the assigned matrix user for
that button
that button
7.
Talk Buttons – Used to talk to the assigned matrix user for that button.
Controls and Connections
5
4
8.
[MENU] and [SET] buttons – Used to select menus and set options
on the LCD.
on the LCD.
9.
LCD display.
10. [UP] and [DOWN] buttons - Used to select menus and set options on
the LCD.
11. Push-to-Talk/Push-to-Transmit Switch – Does nothing in the RKP-
4. The transmitter is always up.
12. Headset Connector – XLR Plug for Telex units, XLR Receptacle for
RTS units.
13. Battery Latch – Press down to enable the battery pack to be released.
While the latch is held down, slide the battery pack about 1/8 inch
back, toward the latch, until it stops, then lift out.
back, toward the latch, until it stops, then lift out.
14. Receive and Transmit Antennas – The antennas are screw type, ¼
wave, replaceable antennas. The color dot on the screw end of the
antenna must match color dot on antenna receptacle.
antenna must match color dot on antenna receptacle.
3
2
1
8
9
6
10
7
11
12
13
14
Page 2 of 3