Pilot's Operating Handbook
Section 4
Normal procedures
EASA Approved
Edition 1 - January 15, 2018
Rev. 0
Page 4.4.6
Preflight inspection 6/16
► Continuing
38 - LANDING GEAR lever DN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
39 - SOURCE selector BATT or GPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40 - Standby instrument battery indicator symbol Not displayed. . . . . . . . . . . . . . .
If a battery symbol appears on the standby instrument display, airplane takeoff
is not allowed until the situation is resolved. Refer to the battery details in the
standby instrument Pilot's guide for further information.
If BATT source :
41 - Voltage Check > 24.5 volts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
● NOTE ●
If not, use a GPU or charge battery. This minimum voltage is not an absolute
guarantee for a correctly charged battery. It is recommended to use a GPU in
cold weather, when airplane has been stopped more than 3 hours at a
temperature below - 10°C (+ 14°F).
●
If GPU source :
▲ CAUTION ▲
Low voltage (around 24.5 V) may indicate that only the battery is
powering the airplane and not the pair GPU + battery.
Make sure that a GPU is connected and powering the airplane.
▲
42 - Voltage Check ≈ 28 volts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
● NOTE ●
If using a GPU, ensure that it provides a 28-volt regulated voltage, with
negative on earth, as well as it supplies 800 amps minimum and 1000 amps
maximum. See placard located near ground power receptacle door.
●
EXT LIGHTS panel
43 - OFF/TAXI/LDG switch OFF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44 - STROBE switch ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45 - NAV switch ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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