Doc.No.: 08400-006-DE
Page 15 of 19
.
This in order to avoid damaged equipment for which Jotron Phontech will void warranty
claims.
6.11. VOLUME ADJUSTMENT
Please note that volume adjustment is preset to a normal environment. It is not possible to make
individual volume adjustments on the telephones, but there is a common volume adjustment for
the whole system.
This is located in the system amplifier either as trimming potentiometer R12 in the 4000 unit or
RV1 in the 4051/4061 units.
R12 POSITION IN THE 4000 UNIT (BRD 87400-001):
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