6
Figure 1
Functional Button Description
☼
HOLD button
(Backlight Coltrol / Data Hold)
As HOLD function, press it
to enter and exit the data hold
mode. When it is active, the display value will be freezed on
display until it be pressed again.
As Backlight Control, press and hold this button for over 2
seconds to light on the backlight,
until press and hold it for
over 2 seconds again to turn off, or it will keep on always.
When backlight is on the power consumption is increasing, it
will reduce the battery life, so it be recommended not working
at backlight on for long time to save the battery power.