190-01007-J4 Rev. 1
RFMS, Bell 407 GTN GPS/SBAS System
Page 20 of 22
External Switches
External switches may be installed and interfaced to the GTN. Table 3 lists the
switches and function they perform:
Switch Label
Description
COM CHNL DWN
Located on the cyclic. Toggles down through the
user com frequencies.
COM CHNL UP
Located on the cyclic. Toggles up through the
user com frequencies.
COM XFER
Located on the cyclic. Transfers the com active /
standby frequencies.
HTAWS ALERT
ACK
Located on the cyclic. Press to mute an active
HTAWS caution when in Normal Mode or
muffle an active warning for 10 seconds when in
RP Mode.
MOT
Located on the instrument panel or center
console. Press to create a user waypoint at the
present position.
PTT
Located on the cyclic. Press and hold to transmit
on the selected COM.
RP MODE
Located on the instrument panel or center
console. Press to turn ON or OFF HTAWS
Reduced Protection Mode. This mode is used for
VFR operations when in visual contact with
terrain.
Table 3 – External Switches
Map Orientation
The Map and Weather Pages on the GTN can be selected by the pilot to be
oriented Heading Up, Track Up, or North Up. When installed in an aircraft with
a heading source the Heading Up orientation will be available and is
recommended for use.
Содержание Bell 407 GTN
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