RADIOBEACON TRANSMITTER
ND500II (125 WATTS) DOUBLE SIDEBAND - NO VOICE
Page 4-14
15 September 2003
Table 4-9 Low Voltage Supply On/Off PWB (A1A1) Controls
PANEL MARKING/
REF
FIG
NOMENCLATURE
FUNCTION
DES
NO.
USED IN TEXT
E1
MD-6
Low AC Inhibit
Shunt post that is installed depending on the power
source(s) being applied to the transmitter.
Installed in
AC
position (shorting pins 1 and 2) when
AC only power source is used.
Installed in
AC/DC
position (shorting pins 2 and 3)
when DC only power source
OR
an AC power source
with a DC (battery) backup is used.
R13
MD-6
LOW AC
Adjusted to set the low AC power monitor circuit’s
threshold.
