Garmin GNC 300 Pilot's Manual page 23

If a frequency has sector or altitude restrictions, the frequency will be followed by
a 'brg?'.
To view restrictions on a frequency:
C
1. Press twice to activate the cursor in the GPS window.
O
2. Rotate to highlight the 'brg?' next to the frequency you wish to view.
E
3. Press to begin viewing restrictions.
Once you begin viewing restrictions, you can view any additional frequencies with
restrictions by rotating K. You can also view the waypoint information pages by
rotating O. Information contained on these pages is covered in Section 3. To return
to the NAVCOM page, press N.
Some frequencies in the NAVCOM page are followed by tags which designate their
usage:
'tx' – transmit only
'pt' – part time frequency
To make any of the frequencies on the NAVCOM page the standby frequency:
C
1. Press twice to activate the cursor in the GPS window.
O
2. Rotate until the desired frequency is highlighted.
E
3. Press to transfer the highlighted frequency to the standby frequency. The cursor will
automatically advance to the next frequency on the list.
An arrow prompt is displayed on the bottom line of the display to indicate addi-
tional frequencies available on the list.
'rx' – receive only
REFERENCE
NAV KEY
Waypoint
NAVCOM Page
Communication
NAVCOM Page
NAVCOM page with receive only (rx) frequencies
and frequencies with restrictions (brg).
Frequency restrictions on 124.60.
SECTION
1
13