5
1. Remove power lead from the AC wall socket.
2. Remove top cover.
3. Locate the link pins (Marked jump 1,2,3 & 4) on the PCB behind each microphone XLR
input socket.
4. Connect the black shorting plug to the centre pin and ON position to enable the Phantom
power
Chime
Switching the manual muting terminals on the rear panel will activate the chime function
(“Ding-Dong” attention signal preceding a call).The default volume of the chime is pre-set at the
factory and is adequate for most applications).
Telephone Connection
This input is for emergency announcements/signals and is not effected by the master volume
control. Input level can be set by rotary control on the rear panel. The TEL input has the highest
priority and will override all other inputs.
MOH (Music On Hold) Output Connection
Two MOH output are provided on the rear panel.
(i) 600
Ω
/1V. to feed an EPABX system. Output level adjustable Please consult your EPABX
handbook to utilise this facility.
(ii) 8
Ω
, 1W for monitoring applications.
Aux (Line) Connection
The equipment provides an auxiliary input which may be used for connecting other signal
sources such as a Radio Tuner, CD or Cassette player. Line level Control is shared with the
built-in Turn and CD. A rotary switch is located on the front panel for selection of Tuner,
CD/Cassette, Aux and OFF. The line level control operates on each of the input sources. To
operate select the desired music source using the rotary switch and turn the “Line “control
clockwise to increase the volume or anticlockwise to reduce the volume.
The Aux input sockets are standard RCA phono, two sockets are supplied and these are linked
together internally, this allows stereo signal source to be used without the need to obtain a
special lead, however you may wish to check with the manufacturer of the signal source to
ensure that no damage will result if the left and right output channels are put in parallel.
RCA Phono plug connection
Sleeve - Screen
Pin - Signal