Garmin GNC 250 - Manual (Page 49)

Airport Communications Page for KCLT.
Frequency Page with Sector Restrictions.
Airport Communication Page for 3VS.
The airport communication page displays the radio frequencies and usage for
the selected airport, as well as sector and altitude restrictions.
To view the communication page from any of the airport information pages:
1. Rotate O with the flashing cursor removed to display the communication page.
2. Rotate K in the direction of the arrow prompt to view additional frequencies. You may
also view additional frequencies with the cursor on by rotating the
O
knob.
The following descriptions and abbreviations are used on the communication page:
Frequencies without restriction information:
• ats - Automatic terminal information service (ATIS)
• ptx - Pre-taxi
• clr - Clearance delivery
• gnd - Ground
• twr - Tower
• uni - Unicom
• mul - Multicom
• atf - Aerodrome traffic frequency
• ctf - Common traffic advisory frequency (CTAF)
• mf - Mandatory frequency
• oth - Other frequencies
Frequencies with restriction information:
• dep - Departure • apr - Approach
• arv - Arrival • class B
• cta - ICAO control area • tma - ICAO terminal control area
• class C • trsa - Terminal radar service area
‘Receive only’ frequencies will display an ‘rx’ indicator, while ‘transmit only’
frequencies will display a ‘tx’. If a frequency has sector and/or altitude restrictions,
they will also be displayed. Sector restrictions define a range of radials from the
facility, while altitude restrictions may describe an area above, below or between
altitudes. Additional instructions, if available, will be displayed on the bottom line.
39
REFERENCE
User Waypoints
SECTION
3
WPT KEY
Airport
Communications Page
250 real 7/14/98 9:32 AM Page 39