TELIKOU
BK-501 Belt Pack
2
Basic operation
1. Talk Button
1. Mic Button
Mic button is a momentary button. Holding the Mic button turns on the microphone of
connected headset and the microphone indication LED.
2. Call Button
Pressing call button will send a call signal to the intercom system. And red LED indicator
above will light.
3. Volume Control
This control is used to adjust the volume level which heard from connected headset.
4. Power LED
A green LED indicator indicates if BK-500 is powered.
5. Mic LED
A green LED indicator is controlled by Mic button..
6. Call LED
A red LED indicator indicates a call signal when received from the intercom system. It
means a talk request from some station.
7. Headset connector
XLR-4M/5F connector
Pin out configuration as follow:
Pin 1--Head Microphone common
Pin 2--Head Microphone hot
Pin 3--Earphone common
Pin 4--Earphone hot
Pin 5--Null
8. Intercom cable connectors
A pair of internal parallel connected XLR-3 connectors is set for loop through connection
of the intercom station.
Pin out configuration as follow:
Pin 1--Common