Garmin 255A manual Timers, Setting Up the Count Down Timer, To select a starting timer value

3.6Timers

The GNC 255 has both Count Up and Count Down timers, which may operate simultaneously and are shown in the lower right of the Com/Nav displays. The countdown timer always takes precedence if it is running.

3.6.1Setting Up the Count Down Timer

1.Press FUNC to access the Functions. Turn the LARGE knob to select the Timer (TMR) function. Turn the SMALL knob to select either the Count Down Timer function. Now, press the ENT key.

Select Count Down Timer

Figure 3-41 Select the Count Down Timer Function

2.Press the ENT key to Start or Stop the timer. Press the CLR key to reset the timer to the starting value. Press the CURSOR knob

to select a starting timer value.

The Default (Starting) Value

Push the CURSOR (SMALL Knob) to Edit the Starting Time Value

Press ENT to Start	Press CLR to Reset the Timer
or Stop the Timer	to the Default Value

Figure 3-42 Selecting the Count Down Timer

3.Turn the SMALL knob to select the timer value and turn the LARGE knob to move the cursor. After completing the time setting, press the ENT key. Press ENT again to start the timer.

Turn SMALL Knob To Select Time Value

Press ENT to	Accept
		Press CLR to Return Turn	LARGE Knob To Move Cursor
the Selected Value		to the Default Value
	Figure 3-43 Setting the Count Down Timer Value
190-01182-01 Rev. A		Garmin GNC 255A/255B Pilot’s Guide		3-23