TruTrak KRT2 Comm Radio IR - Manual (Page 17)

17
VOX
nn
Range:
01
–
10
The
intercom
will
not
function
unless
pin
12
is
switched
to
ground.
This
enables
the
intercom
feature.
The
switch
should
be
installed
on
the
instrument
panel
near
the
KRT2.
3.4.4
TXm
–
PTT
Switch
Selection
Pressing
the
AUD
button
three
times
enables
the
PTT
switch
setup
mode.
In
addition
when
either
the
Left
or
Right
PTT
switch
is
disabled
(not-­‐Both)
the
respective
microphone
channel
is
disabled
during
transmissions.
TXm**
*-­‐
Left
/
-­‐*
Right
/
**
Both
3.4.5
INT
–
Intercom
Volume
Pressing
the
AUD
button
four
times
enables
the
intercom
volume
setup
mode.
INTnn
Range:
01
–
10
3.4.6
EXT
–
External
Audio
Input
Volume
Pressing
the
AUD
button
five
times
enables
the
external
audio
input
volume
setup
mode.
External
audio
inputs
can
be
audio
alarms,
voice
alarms,
music
etc.
Activation
occurs
for
settings
>00
and
will
be
indicated
by
the
flag
“a”.
EXTnn
Range:
01
–
10
3.4.7
DIM
–
Display
Brightness
(Battery
Voltage)
Pressing
the
AUD
button
six
times
enables
display
brightness
setup
mode.
Display
lighting
current
drain
at
maximum
brightness
is
only
10mA.
Maximum
brightness
is
glare
free
even
in
darkness
and
can
be
used
continuously.
Below
the
dimming
is
the
current
battery
voltage
being
supplied
to
the
KRT2
DIMnn
Range:
01
–
10