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To set the Zoom Range:
1) Press Menu to enter into the menu.
2) Use the Up / Down Arrow to
select Display Option.
3) Press Right Arrow to enter into
Display setting.
4) Use the Up / Down Arrow to select
the Zoom Range option.
5) Press Right / Arrow to enter into
the setting.
6) Press Right / Left Arrow to change
the option.
7) Press Ent to confirm the setting.
8) Press Exit to exit from the menu setting.
Note: There is “Enable” and “Disable” of the Zoom Range setting. The Top & Bottom
option is adjustable only when the Zoom Range is set with “Enable”.
Note: there is a spacing requirement between the Bottom and Top setting; otherwise, an
"Error setting" will appear.
1) With meter unit: the value of (Bottom - Top) should be
≥
3m
2) With feet unit: the value of (Bottom - Top) should be
≥
10feet.
Backlight
The backlight allow the unit to be used at night. There are 4 levels for you to adjust the
brightness of backlight.
To set the Backlight:
1) Press Menu to enter into the
menu setting.
2) Use the Up / Down Arrow to
select Display Option.
3) Press Right Arrow to enter into
Display setting.
4) Use the Up / Down Arrow to
select the Backlight option.
