User Guide| KB-702/KB-702GM/KB-802-GM-IM
can also be sent while talking if required. The call button will light when pressed,
or whenever a call signal is present on the selected channel. An internal option
jumper can be set to allow the call button to light when a call signal is present
on either channel.
3. Tone Alert: An audible tone alert can be enabled to sound when a call signal is
received on the selected channel or either channel. This can be useful when the
operator’s attention has been drawn away from the KB-702 indicator panel. The
audible tone alert level can be adjusted or turned off by an internal control. The
tone alert will not sound if a call signal originates at the KB-702 station or if the
speaker on/off switch is turned off. The tone alert plays through both the
speaker and headset if the speaker on/off switch is turned on.
4. Volume Control: Turn this control to set the volume required on the speaker
or headset. This control does not affect the tone alert level or the program input
level.
5. Sidetone Control: Sidetone is the level of your own voice that you hear while
talking on the intercom. Setting a comfortable level of sidetone will ensure that
the intercom line sounds alive and also helps you modulate your voice relative
to other voices on the line.
Typically, different sidetone null settings are needed depending upon whether
you are using the speaker. Use one of the following procedures to correctly set
the sidetone level control.
Sidetone Adjustment Procedure for Headset:
a. Set the intercom level control to a comfortable level by having someone talk
to you from another station.
b. Press the talk button and speak into the microphone while turning the
sidetone null control slowly back and forth until you hear your voice at a
comfortable level in the headset.
Sidetone Adjustment Procedure for Gooseneck Mic (KB-702GM/KB-
802GM-IM only) or hand-held push-to-talk mic with the speaker
turned on:
a. Set the VOX control fully counterclockwise to disable this feature.
b. Set the intercom level control to a comfortable level.
c. Press the talk button and speak into the microphone while turning the
sidetone null control slowly back and forth. There should be a point where
your voice (and any accompanying acoustic feedback) disappears. This is
the null point.
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