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 TM 55-1905-223-10
Table 2-1. Description of Operator's Controls and Indicators - CONT
Key
Control or Indicator
Function
Open Scale Compass Repeater (FIGURE 2-12)
1
Dimmer
Controls illumination level of compass repeater.
2
Cover over
Protects compass synchronizer control ON-OFF
ON-OFF Switch
switch.
3
Synchronizer Knob
Synchronizes repeater reading manually, when
synchronizer control is OFF.
4
Repeater Card
Read directly against lubber line to indicate
heading.
5
Lubber Line
Indicates heading when read against repeater
card.
6
Mask
Has cutouts for ten degree repeater card
markings and notches for five degree repeater
card markings.
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