Garmin 255A manual Nav Radio, Selecting a Nav Frequency, Saving a Nav Channel

2.3Nav Radio

2.3.1Selecting a Nav Frequency

The selection of Nav frequencies is the same as for the Com frequencies.

1.Press the C/N key to reach the Nav radio function. The NAV annunciator on the top line of the display will show.

2.Turn the LARGE knob to change the values in one MHz increments. The MHz selection range is between 108 and 117 MHz in one MHz steps.

3.Turn the SMALL knob to change the values in 50 kHz increments.

Identifier and Type Shown For

The Selected Frequency

Figure 2-10 Nav Frequency Selection

CAUTION: The Identifier is determined from the database and is not the decoded Nav Identifier.

4.Press and release the FLIP/FLOP key to toggle the Standby frequency to the Active frequency.

NOTE: Both Nav and Com frequencies cannot be displayed at the same time.

2.3.2Saving a Nav Channel

The current Standby frequency may be saved into the Nav User Frequency database from the Nav or the Nav User Function. The Nav User Frequency database can hold up to 15 frequencies.

1.Press ENT. The Waypoint name field will be active.

2.Turn the SMALL knob to select characters.

3.Turn the LARGE knob to move the cursor.

Figure 2-11 Nav User Frequency Name Selection

4. After selecting the desired characters, press ENT.

2-6 Garmin GNC 255A/255B Pilot’s Guide 190-01182-01 Rev. A