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 TM 11-6625-937-12
Figures 3-1. Indicator, Channel Alignment ID-1189/PR (earlier models), operating controls, indicators and jacks.
3-2. Types of Operation
a. The ID-1189/PR is used to align Receiving Set, Radio AN/PRR-9 and Transmitting Set, Radio AN/PRT-4
whenever the operating frequencies in these sets are changed or when misalignment is indicated. It is also used to test
the batteries of these radio sets as well as its own internal battery.
b. The following specific types of operations may be performed with the ID-1189/PR.
(1) Battery testing.
(2) Alignment.
c. In addition to types of operation in b above, the ID-1189 (XE-2) /PR only can be used to test AN/PRR-9 (XE-9)
Battery, D r y BA-4534/U (para 3-3d) and align Receiving Set, Radio AN/ PRR-9 (XE-9) (para 3-6.1).
3-3. Battery Testing
The ID-1189/PR internal battery should be tested each time a receiver or transmitter is to be aligned. The internal
battery is not used during external battery test procedures. External or internal battery condition is indicated on the meter
(fig. 3-1) GOOD or BAD sections of the BAT TEST scale. The GOOD section is colored green and the BAD section is
colored red. A narrow yellow colored section separates the GOOD and BAD sections.
Change 3 3-2
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