National Communications
Page 11
BALANCE POT ADJUSTMENT
TRIMPOT ADJUSTMENT
Balance Pot
is located here
under a white
plastic sealing
cap.
A d j u s t t h e P O T a s m a l l a m o u n t i n 1 d i r e c t i o n a n d t e s t a u d i o
communication quality.
If the quality is improving, carry out a further small adjustment in the
same direction and re-test.
If quality is becoming worse, please adjust the POT in the other direction
and continue with small adjustments until the best communication
quality is achieved.
Clockwise adjustments will improve Audio at the DP5 Door Phone.
A n t i - C l o c k w i s e a d j u s t m e n ts w i l l i m p r o v e A u d i o t o t h e i n t e r n a l
Telephones.
