3.2.5Com Nearest Area Control Center (ACC) Frequencies
The GNC 255, when interfaced with an appropriate GPS receiver, will report the 25 nearest Area Control Center (ACC) frequencies. ACCs are also known as Air Route Traffic Control Centers (ARTCC).
Turn SMALL Knob
To Scroll Through
Available Frequencies
Figure 3-12 Com Nearest ACC Frequencies
1.Press FUNC to access the Functions. With the Com Frequency Function highlighted, turn the SMALL knob to view the Com
Nearest ACC function. Then, press ENT.
2. Turn the SMALL knob to display the available ACCs.
3.Press the ENT key to insert the highlighted frequency as the Standby frequency. Or, press the CLR key to return to the
Functions display.
4.Press and release the FLIP/FLOP key to set the selected frequency as the Active frequency.
Garmin GNC 255A/255B Pilot’s Guide |