Trutrak Sorcerer User Manual download pdf (Page 11)

example if being vectored) until the selected inbound course is crossed.

During the intercept phase of the approach, the lower left display will

alternate between INT and NAV or LOC depending on which mode has

been selected by the navigation receiver. When the aircraft is established

on the inbound portion of the approach, the lower left display will

indicate the selected course.

If the above is LOC COURSE and glide slope is present (ILS), flying

below the glide slope in ALT HOLD mode for a minimum of seven

seconds will arm the glide slope coupler. When this occurs, the display

will show:

When the Glide slope is intercepted, the display will show:

Glide slope coupling can be terminated by entering either the ALT

HOLD or SVS (selected vertical speed) mode. The lateral mode will

switch from LOC COURSE to TRK mode. The selected track will be the

same as the inbound course.

NOTE: When coupled to the glide slope, one push of the VS rocker in

either direction will command a 500 fpm climb and enter TRK mode.

REV Course Mode

Click the REV button to enter the REVERSE COURSE setup screen.

This refers to flying the localizer or VOR in the reverse direction.

Operation of this mode is the same as NAV COURSE or LOC COURSE

except that there will be no glide slope coupling.

Gyro Back-Up Mode

The lateral modes previously described are based on GPS track being

present. When GPS is lost, the autopilot uses its internal gyros for bank

control and TRK is replaced with BANK. This mode is only a backup and

would seldom be needed; however, it does provide a means of selecting a

desired bank angle, and a means of adjustment if the aircraft turns when

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Trutrak Sorcerer User Manual Page 11