Vingtor 3005020018, Техническое руководство

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47
ETB Command Talk-Back & Public Address System
Installation & Operation Manual
A100K11162 v1
Problems When Operating from Substation or Parallel Station
Issue/Failure Description/Indication Recommended Action
The substation can not be operated. No flashing green LED nor signal in the
ETB monitor loudspeaker for the selected
line.
1. Check cable and terminal block in the
substation or plugbox.
2. Move this terminal block to another extension
number.
If problem persists, substation has to be repaired.
If substation operation is OK, ETB central unit has
to be repaired
High background sound. Due to nearby substation. 1. Replace current substation with substation
with headset or with external loudspeaker
STB-2.
2. Adjust master volume lines 1-5 in ETB-5 or
6-10 in ETB-10 (see PCB Layout drawings in
Section 7).
Operation from a parallel station can not
be done.
Operation is possible from ETB central
unit.
1. Check cable and connections between the
parallel station and the ETB central unit.
2. Check microphones
-
If problem persists, the parallel station has
to be repaired.