TELIKOU
BK-101 Belt Pack
4
the voice heard from headset is minimal.
4. Turn off the talk button.
Troubleshooting
Problem: Listen level is too high or too low
Cause 1: More than one Terminal in the system or non Terminal
Solution 1: Check every channel, each channel must only has one Terminal.
Problem: System feedback (Acoustical)
Cause 1: Listen level control on main station is too high
Solution 1: Adjust the listen level on main station
Cause 2: Sidetone null control on belt pack or main station is not adjusted properly
Solution 2: Adjust the belt pack or main station sidetone.
Refer to the section 9 in the manual.
Cause 3: Main station is not terminated.
Solution 3: Set the termination switch on main station.
Cause 3: A headset cord is too long or jointing quality.
Solution 3: Check headset cord
Specifications
1. Microphone Amplifier (From Microphone to Line)
Dynamic Headset Microphone impedance: 200 ohm
Voltage Gain: 44±3dB
Harmonic Distortion :< 1% (1000Hz)
2. Headphone Amplifier (From Line to Load)
Load impedance: 50-600 ohm
Voltage Gain: 31±3dB
Harmonic Distortion :< 2% (1000Hz)
3. Power Requirements
24V DC, 60mA±10mA
Power Range: 15-30V DC
4. Environment
-10~55°C
5. Dimension
High: 105mm, Wide: 87mm, Deep: 48mm