Troubleshooting

PROBLEM

POSSIBLE SOLUTION(S)

 

 

No Sound Output

• Make sure the microphone and receiver power switches are

 

set to the ON position.

 

• Check microphone batteries to ensure that they are providing

 

sufficient power. Let battery charge or replace if necessary.

 

• Check receiver’s AC power connection.

 

• Make sure antennas are firmly connected and angled to

 

optimal positions.

 

• If necessary, reduce the distance between the microphones

 

and receiver.

 

• Turn up the receiver’s VOLUME level controls.

 

• Check for proper connection between receiver and external

 

amplifier/mixer.

 

• Talk into the microphone and observe the receiver’s signal

 

LED’s on the display screen. If they glow, the problem is

 

elsewhere in the sound system.

Received Signal is Noisy or Contains Extraneous Sounds with the Microphone(s) ON

Check microphone(s) batteries and recharge or replace if the charge is low.

Remove local sources of UHF interference, such as lighting equipment.

Signal may be too weak. If so, reposition antennas. If possible, move them closer to the transmitter.

There is Noise Coming from the Receiver with the Micro- phones Turned OFF

Remove local sources of UHF interference, such as lighting equipment.

Reposition the receiver or antennas.

Momentary Loss of Sound as Microphone(s) are Moved Throughout the Operating Range

Reposition the receiver, perform a “walkthrough”, and observe the signal strengths. If audio dropouts persist, mark these “dead spots” in the operating area and avoid them during the performance.

Battery Running Low Even

• Replace rechargeable batteries (rechargeable batteries have

After Recharging

a life of 500 hours of charging and recharging).

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VocoPro UHF-388 owner manual Troubleshooting, Problem Possible Solutions