Garmin 255A manual Database Info, Display Contrast function. Then, press the ENT key

3.5.3Display Contrast

The Display Contrast has a range from -50 (Low Display Contrast) and 50 (High Display Contrast) with 0 as the default. The range can be adjusted by using the SMALL knob to adjust the value.

1.Press FUNC to access the Functions. Turn the LARGE knob to select the SYS Function. Turn the SMALL knob to view the

Display Contrast function. Then, press the ENT key.

Press ENT to	Accept	Press CLR to Return	Turn the SMALL Knob to
the Selected Value		to the Previous Value	Select the Offset Value

Figure 3-35 Set Display Contrast

2.Turn the SMALL knob to set the value. Then, press the ENT key.

3.5.4Database Info

The Database information for 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 to select the SYS Function. Turn the SMALL knob to view the

Database Version function. Then, press the ENT key.

Database Cycle

Database Effectivity Date

Figure 3-36 Database Info Display

2. Press the FUNC key to return to the main display.

3-20 Garmin GNC 255A/255B Pilot’s Guide 190-01182-01 Rev. A