5
Function Buttons
①
②
①
Range/Backlight Button
•
Push this button once to enter the manual
range mode. In manual range mode,
each push increases the range; when the
highest range is reached, the next push
will lead to the lowest range. To exit the
manual range mode, turn the rotary
switch.
•
Push for more than 2 seconds to turn on
the backlight; long-push again to turn off
or the backlight automatically turns off
after 2 minutes.