22
V3500A User’s Guide
2
Knowing your Instrument
Controlling the backlight
The V3500A LCD display and keypads are backlit to allow
visibility in dark environments. Press
BACKLIGHT
to turn on
and off the backlight LCD display and keypads. The
backlight will automatically be turned off after a certain
length of time to preserve the battery life. The default time
is one minute.
Setting the backlight auto-shutoff interval
1
Press
MENU
to enter menu mode.
2
Scroll using the down menu arrow keypad until
“
BacklightOff
” menu is displayed.
3
Use the left or right arrow menu keypad to select your
desired time interval. Select <Never> to disable the
backlight’s auto- shutoff.
N O T E
The instrument returns to the default “BacklightOff” menu setting of
<1m> when the instrument is turned off.
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