Garmin GMR 21 - Manual (Page 12)

8 GMR 21/41 Owner’s Manual
GMR 21/41 O
PERATION
> T
HE
R
ADAR
A
DJUSTMENT
M
ENU
Zoom
When a Zoom level is selected, a window showing a zoomed portion of
the screen appears and a selection box is shown. The selection box can be
moved to see different areas. The Zoom setting has four presets: Off, 2x, 4x,
and Move.
To change the Zoom setting:
1. Use the Rocker to select a new setting.
2. Press ENTER to accept the change.
The Zoom settings can also be selected using the soft key options
To move the selection box:
1. Use the Rocker to move the pointer and highlight the edge of
the selection box.
2. Press ENTER to activate the Move function.
3. Use the Rocker to move the selection box to a new location.
4. Press ENTER to accept the move
Target Expansion
Target Expansion increases the size of a target. Target Expansion has
two settings, On and Off. The Target Expansion setting has no effect
at range settings of 4 nm or greater.
To turn Target Expansion On or Off:
1. Use the Rocker to highlight On or Off.
2. Press ENTER to accept the change.
Target Expansion Off Target Expansion On
zoom view selection box