TELIKOU
BK-501 Belt Pack
3
z
Troubleshooting
Problem: Listen level 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 have one Termianal.
Problem: Microphone level too high or too low
Cause 1: Mouth is far or close to the mouth
Solution 1: Adjust the distance between microphone and mouth
Problem: System feedback (Acoustical)
Cause 1: Listen level control at this station or a remote station is set too high
Solution 1: Adjust
Cause 2: Sidetone null control at this station or a remote station is not adjusted correctly
Solution 2: Adjust. Refer to the procedure in the Front Panel section of this manual.
Cause 3: Channel un-terminated.
Solution 3: Set the MS-800 termination switch to the ON position.
Cause 3: A headset cord is too long or jointing quality.
Solution 3: Check headset cord
Problem: Can not turn on the Mic function
Cause 1: The connection among TELIKOU main stations must go via Online connector on rear
panel. The Online connector of this station connected to the Intercom Line connector of
another station.
Solution 1: Check the connection of Online connector
z
Specifications
1. Pre- Amplifier (From Microphone to Line)
Dynamic Headset Mic impedance: 200 ohm
Voltage Gain: 49±3dB
Bandwidth: 40Hz-8000Hz ±2dB
2. Headphone Amplifier(From Line to Load)
Load impedance: 50-600 ohm
Voltage Gain: 31±3dB
Harmonic Distortion: <0.1%(1000Hz)
Bandwidth: 200Hz-8000Hz ±2dB
3. Others
SNR: >72dB
