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Robertson RGC12 Gyro Compass
20220737B
26
Figure 5-2 DR75 Digital Repeater - Dimensions
(Drw. N4-710311B)
Controls
The DR75 has three button controls. The first two are used to
Dim the horizontal LED bar graph display and control the back
lighting to the LCD display.
The third switch is used to mark or ‘SET’ a course that is to be
steered to. This is depressed when the desired heading to be
steered to is reached. When the correct course is being steered
all the indicators are unlit. With each degree steered off-course
the appropriate left or right LED is lit until this ship is on-course
and all LED’s are unlit.