TM 9-1550-416-148cP
ADJUSTMENT AND ALIGNMENT
When flying at extended ranges beyond one kilometer, the
2-11.
transmitter antenna must always be fully extended.
PROCEDURES FOR THE TRANSMITTER.
b. Battery Replacement. (See fig. 2-13.) The battery in
a. Antenna Length Selection. Under normal range flying
the transmitter is field replaceable. Remove the four screws in
conditions the antenna on the transmitter need only be ex-
the lower panel and set the screws and panel aside. Take out
tended approximately half its total length. Normal range
the dunnage and the battery while carefully unplugging the
flying conditions is &fined as when the RCMAT does not fly
connector from the board. Install the replacement battery after
more than one kilometer from the transmitter in any one
carefully plugging the battery connector into the board. En-
direction.
sure that the black lead on the battery connector is to the
NOTE
outside of the board. Put the dunnage back in and reinstall the
lower panel with the four screws.
extend the antenna to full length to ensure safe
operation.
c. Transmitters must be returned to the manufacturer for
internal adjustment, alignment or repair.
Figure 2-13. Transmitter battery replacement.
2-14