TM 11-6625-2718-14&P
b. Determine the forward and reflected power in
a. Deenergize the transmitter.
watts by following the instructions given in
b. Disconnect the CG-409G/U from the ANT
jack of the transmitter and from the transmitter
connector of test set.
4) to convert these readings to swr. The graphs
c o n v e r t directly to swr values with no in-
tenna cable connector at the bottom of the teat
termediate computations required.
set.
Example: Forward power reading is 35 watts
d. Loosen the clamping screw and remove the
(horizontal on figure 2-3 chart). Reflected power
test set from the rack handle of the transmitter.
reading is 0.08 watt (vertical on chart). Chart
shows swr to be 1.10.
on the transmitter. The transmitter can now be
energized when desired.
f. Pack the test set and the cable assembly into
After completion of testing or monitoring the
the case as shown in figure 1-1.
transmitter, remove the test set as follows:
WARNING
Always deenergize the transmitter before
disconnecting the test set.
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
Although the TS.2609A/U is temperature-
a. Keep sand and dust wiped from the exterior
compensated to minimize the effects of tem-
of TS-2609A/U.
b. Do not open the TS-2609A/U case un-
perature extremes, it will provide the greatest
accuracy at normal room temperatures. When
necessarily; the entry of sand or foreign material
could damage the operating components.
possible, avoid or minimize extreme temperature
conditions during operation.
2-16. Operation in Desert Climates
2-15. Operation Under Tropical Conditions
a. Keep sand and dust wiped from the exterior
of TS-2069A/U.
a. Keep moisture wiped from the exterior of the
b. Do not open the TS-2609A/U case un-
TS-2609A/U to prevent its entry into the unit.
necessarily; the entry of sand or foreign material
b. Do not open the TS-2609A/U unnecessarily;
could damage the operating components.
the entry of moisture could corrode or otherwise
damage the operating components.
