DR-500
Installation guide
2
Reassemble the panel over the base.
Attach the top cover to the base using the 4 screws.
Microphone and speaker volume adjustments
The DR-500 potentiometers comes from the manufacture with default optimal state.
Sometimes because of the location (opened or closed space), acoustical problems occur.
If the DR-500 speaker sound level is too high or low, gently rotate the internal
SP
potentiometer. (Clockwise to lower volume)
If the sound level in the handset is too high or low, gently rotate the internal MIC
potentiometer. (Clockwise to lower volume)
DR-500 Electrical Drawing
