TM 11-5820-489-10
TO 31R4-2GRA6-31
Section I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND
INDICATORS
2-1. PANEL CONTROLS AND FACILITIES
a. Local Control Panel controls and indicators.
Local Switch
FUNCTION
POSITION
when used with Local
of Control or
Control Unit
Indicators
Allows push-to-talk operation of
q
Set 1 (using spring action).
Allows Telephone operation with
q
Remote Control.