TM11-6625-2948-14+P
INSTALLATION AND OPERATION
b. Set the POWER switches of the modulator and the signal
generator to their OFF positions.
Signal Generator AN/URM-206 is shipped complete and
OUT
c. Connect video cable C147363 between the
ready to operate; no special or permanent installation
connector on the modulator and the EXT MOD connector
procedures are required. The signal generator shall be
unpacked upon receipt, observing the usual precautions
on the signal generator.
customary when unpacking an electronic instrument.
d. Connect the other video cable C147363 between the
FM OUT connector on the modulator and the EXT FM
connector on the signal generator.
After unpacking plan its installation. If it will be used on
a bench or cart, the required dimensions are shown in
e. Connect power cable B160833 between the AC INPUT
Figure 2-1. If it is to be
used in a
rack, the handles at
connector of the modulator and the external ac power
either end of the front panel should be reversed for rack
source.
requires 115/230 volts, single phase, 50/60, 400 Hz ac
f. Turn the POWER switches on the modulator and the
power.
signal generator to ON and allow the instruments to warm
up for 20 minutes. Power indicator on the signal generator
NOTE
and the POWER ON indicator lamp on the modulator
should light indicating power is being applied.
AN/URM-206 is shipped ready for 115 vac
operation. If the signal generator is to be
operated from a 230-volt source, set the
115/230 volt switch located on the rear
a. Set the FREQUENCY GHz control of
the signal gener-
panels of the SG-1145/URM and MD-1075/
URM to the 230 volt position. Replace the
fuse in the SG-1145/URM with the 0.75
b. Set the FUNCTION switch of the modulator to OFF.
amp fuse and the fuse in MD-1075/URM
with the 1/8 amp fuse.
c. Set the MODULATION SELECTOR switch of the signal
generator to CW.
AND CONNECTORS
NOTE
The operating controls, indicators, and connectors of the
AN/URM-206 are listed in Table 2-1 and shown in
inoperative by driving the attenuator probe
generator. If this occurs, back off the
attenuator by turning the ATTENUATOR
control counterclockwise and switch the
a. Connect power cable B160826 between the AC OUT-
MODULATOR SELECTOR switch to RF
PUT connector of the modulator and the AC INPUT
OFF and then repeat steps a, b, and c
connector of the signal generator.
above.