TELIKOU
BK-101 Belt Pack
3
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
Pin 2--DC supply
（
15-30V
）
Pin 3--Audio signal
9. 3.5mm Headset Connector
3.5mm jack headset connector.
Pin out configuration as follow:
T (Tip)
-- Microphone Hot
R (Ring)
-- Headset Hot
S (Sleeve)
-- Common
9. Sidetone adjustment
The sidetone adjustment knob is in the hole which next to belt-clip at the backside of belt
pack.
Sidetone controls the level of one’s own voice in their headset.
Sidetone adjustment helps to reduce the sound feedback and avoid squeal.
The step for sidetone adjustment:
1. Turn on the Talk Button.
2. Adjust volume to proper level.
3. Make a voice against microphone. Meanwhile, use a small screwdriver insert into the
hole, and rotate the sidetone adjustment knob by clockwise or anticlockwise slowly, until