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Virus SW 121
Pilot Operating Handbook
POH-121-00-40-001
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SECTION 7
AIRPLANE DESCRIPTION
APPROVED
Garmin GTR225 transceiver
(optionally can be installed GNC255 transceiver.)
0.5 A (Typical)
4.2 A (Max)
Garmin GTX328ES transponder
1.1 A (Typical)
3.1 A (Max)
Landing light 5 A
Nav lights 0.27 A
Strobe lights 0.44 A
Cockpit illumination and dimming 0.4 A
Electrical trim 0.3 A
7.8.4 SWITCHES
Master Switch
The MASTER toggle Switch activates the relay to connect the battery with
main bus. Main bus supplies the avionics relay which delivers the power to
the switch panel and circuit breakers. To check or use avionics equipment
or radios while on the ground, the AVIONICS power switch must also be
turned on. Both 12V sockets are connected via switch/fuse directly to the
main battery.
Avionics Power Switch
A toggle switch, labeled AVIONICS, controls electrical power from the main
bus to the Avionics Bus. The switch is located next to the MASTER switch.
Typically, the switch is used to energize or de-energize all avionics on the
Avionics Bus simultaneously. With the switch in the OFF position, no electri-
cal power will be applied to the avionics equipment, regardless of the posi-
tion of the master switch or the individual equipment switches.
For normal operations, the AVIONICS switch should be placed in the OFF
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General