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Zooming In/Out
You can change the map scale while viewing the map with one of the
following ways:
• Press the + button to zoom in and increase the map scale.
• Press the – button to zoom out and reduce the map scale.
Alternatively, you can adjust the map scale from the OSD menu.
1. In Professional mode, press the Menu button to
display the OSD menu.
2. Select Map Scale and press OK to confirm. A
map scale bar is displayed on the map page.
3. Use the left/right navigation keys to adjust the map
scale. Press the navigation key to the right to
increase the map scale and to the left to decrease
the map scale.
4. Press OK to save the changes.
The GM-120 features nine zoom levels. You can select
from 50m, 100m, 200m, 500m, 1km, 2km, 5km, 25km, and
100km.