Software Version; Serial Number - Garmin GNC 255 Pilot's Manual

5. Wait until the updating process is complete and then remove
6. Verify the correct frequency database is loaded after power-up.
3.5.6

Software Version

The software versions of the GNC 255 unit are displayed. This information is
useful when contacting Customer Support.
1. Press FUNC to access the Functions. Turn the LARGE knob
2. Press the FUNC key to return to the main menu.
3.5.7

Serial Number

The serial number of the GNC 255 unit is displayed. This information is
useful when contacting Customer Support.
1. Press FUNC to access the Functions. Turn the LARGE knob
2. Press the FUNC key to return to the main menu.
3-22
the memory device and cable. The unit will reset automatically
once the database is updated.
to select the SYS Function. Turn the SMALL knob to view the
Software Version function. Then, press the ENT key.
Figure 3-39 Software Versions Display
to select the SYS Function. Turn the SMALL knob to view the
Serial Number function. Then, press ENT.
Figure 3-40 Serial Number Display
Garmin GNC 255A/255B Pilot's Guide
Display Software Version
Com Software Version
Nav Software Version
Unit Serial Number
ID Is Used With The
flyGarmin Services
190-01182-01 Rev. A