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76. The high intensity LED pulse lights are controlled by a rotary control switch located on
the instrument sub-panel. The controller has eight positions, labelled as detailed below. To
optimize daytime visibility, it is recommended that the pulse light controller be set to
A88:
b. S – starboard (right) light on
c. P – port (left) light on
e. A44 - lights alternate at 44 pulses per min (PPM)
f. B44 – both lights flash at 44 PPM
g. A88 – lights alternate at 88 PPM (preferred daytime setting)
h. A120 – lights alternate at 120 PPM.
77. Flight instruments are continuously illuminated by adjacent post lights controlled by a
dimmer switch on the lower instrument panel. The avionics and EDM-930 both have self-
adjusting internal lighting. Adjustable LED map / cabin lights with red filters are mounted on the
forward door posts and are activated using the CABIN LTS switch.
Lighting Controls / Switches
78. Switches and controls are all positioned on the lower left hand sub-panel.
Figure 1-50 Electrical Panel
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