IDM 98IV
&
99IV / EN
12
Backlight
Press the Backlight button to turn the backlight on/off.
Auto Power Off
2
1
Reactivate the meter by rotating the switch or by pressing any
button.
Auto Power Off Disable
After idle 20 min.
Rotate the switch to the “OFF” position, Press and hold down
the Function button and turn the meter on.