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External Annunciators
When external indicators are installed, the Apollo GX
will also provide an external indication when Parallel
Track (PTK) is activated or a Message (MSG) is
received. The GX50/60 also have external
annunciator controls for OBS/Hold and Approach
Active. “Hold” refers to suspending waypoint
sequencing.
Controls The Apollo GX uses a variety of controls to manage
the features. The controls include a power knob,
dual-concentric knobs (called
LARGE and SMALL),
hard keys, and “smart” keys.
Power Knob
The knob on the top right side of the Apollo GX
controls power on/off. Rotate the knob clockwise
(CW) past the detent to turn the power on. Rotate the
knob fully counterclockwise to turn the power off.
Full rotation and the push-pull capabilities are only
used in the GX60/65.
Power/Volume/Squelch Knob(GX60/65)
The knob on the right side of the GX60/65 controls
power on/off, volume, and squelch test. Rotate the knob
clockwise (CW) past the detent to turn the power on.
Continue rotating the knob to the right to increase
speaker and headphone amplifier volume level. Rotate
the knob to the left to reduce the volume level. Pull the
knob out to disable automatic squelch.
SMALL and LARGE Knobs
The dual concentric knobs on the right side of the
front panel are used to select pages, edit characters
and values, or other options. The
LARGE knob moves
the cursor and the
SMALL knob changes characters.
Either may change pages depending on the function.
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Introduction