KB-702/KB-702GM TWO-CHANNEL SPEAKER STATIONS
1-2
The optional EB7-TW daughter board module can be installed to provide an
interface to two intercom channels on a single microphone cable. Also, the
EB7-4W four-wire daughter board module is available to allow long-distance
connections using separate pairs of wire for send audio and receive audio. The
EB7-4W four-wire option supports two-channel operation.
The KB-702 and KB-702GM are compatible with all Clear-Com party-line
intercoms.
OPERATION
Normal operation of the KB-702 speaker station requires access only to the front
panel controls. The controls located elsewhere on the unit are intended to be
set-and-forget in nature. For intercom operation, set the listen level control to the
desired level and press the talk button when talking. If a headset or handset is
used, set the sidetone control for each channel for the desired amount of sidetone
in the earphone. If a hand-held push-to-talk mic is used, or if the panel mic is
used on the KB-702GM, set the sidetone controls for minimum feed-through to
the speaker to prevent acoustic feedback.
FRONT PANEL
The controls, indicators, and connectors found on the KB-702 and KB-702GM
front panels are shown in the following figures and are described by the following
text. The numbers in the left column refer to Figure 1-1 and Figure 1-2.
Figure 1-1: KB-702 Front Panel
Speaker
Program Level
Off On
A
B
Channel Select
KB-702
Call
Talk
Sidetone
Headset
Volume
2-Channel
Speaker Station
3
4
9
2
1
5
7610
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