Garmin Dakota 20 User Manual page 3

3. Lock Screen
3.1. Once you have the correct zoom level and route set, you might want to use the lock screen to
avoid the pinning issue mentioned in 2.7 when you accidently touch the screen without
realising.
3.2. To lock the screen, press the power key once, then press the lock screen feature shown in
Figure 11.
3.3. To unlock the screen press the power button once and then press the green Unlock Screen
button.
4. Change Brightness
4.1. Press the power key once.
4.2. Will show the screen shown in Figure 11.
4.3. Use the + and - minus buttons to adjust the brightness.
5. Batteries
5.1. The GPS unit is provided with one set of good quality alkaline batteries and these should last at
least 7 to 8 hours.
5.2. In order to maximise battery life, the screen has been set turn itself off after 30 seconds. Simply
touch the screen to show the display again.
5.3. Please ignore initial warnings about battery failing as it will often last a couple of extra hours
before the batteries fail.
6. Change Batteries
6.1. To change the batteries remove the protective cover.
6.2. Slide the latch back to remove the battery cover.(Figure 10)
6.3. You can then remove and replace the batteries.
Version: 01
​ G armin Dakota 20 GPS Hire - User Guide
FIGURE 10 FIGURE 11
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