TM 11-5830-263-10
SWITCH
POSITION
FUNCTION
OFF
No audio output.
LOUDSPEAKER
INT
Intercom audio is monitored.
RADIO
All radio audio and override signals are
monitored.
OFF
No outgoing intercom audio is placed
on field phone line terminals. Ring tone
is still received from incoming
LINES
messages.
ON
Two-way intercom audio is placed on
LINES terminals.
Radio and intercom audio at same dB
OFF
level.
ACCENT
ON
Radio audio de-emphasized by 20 dB
and vehicle alarm signal by 6 dB, with
respect to intercom audio when an
override signal is present.
Depressing the CHANGE switch, with
respect to the settings of the SYSTEM
and PROGRAM switches, allows
CHANGE
changing display brightness levels,
clearing of error messages (fault still
exists until corrected) and programming
functions.