User manual

1 Introduction 
Preparing Your Clamp Meter
8 U1190A Series User’s Guide
Follow the steps below to change the timer period or
completely disable the backlight timer.
1 Press and hold while powering on the clamp meter to
enter the Setup menu.
2 Press again. The backlight (b #) timer period is the
second Setup item shown.
3 Press to make changes to the b # value.
Press or to change the timer period (from 
b 01 to b 99 seconds) or to completely disable the
backlight timer function (boFF).
4 Press to save the changes, or press to discard
the changes and proceed to the next Setup item.
5 Cycle the clamp meter’s power to exit the Setup menu.
Enabling the flashlight
This feature is applicable for U1192A, U1193A, and U1194A
models only.
If you are using the clamp meter in dark places, press and
hold for more than 1 second to activate the LED
flashlight for greater visibility on your test points. This is
not applicable to the U1191A model.
Press for more than 1 second to deactivate the LED
flashlight.
WARNING
VISION ADVISORY CLAIM
It is advised that you do not look directly into the light source of the
LED flashlight. As with any source of bright light, prolonged
exposure can damage the eye.
NOTE
To conserve battery life, a user-adjustable timer can be set to control how
long the flashlight stays on. This function is disabled by default.
U119XA UG.book Page 8 Thursday, September 15, 2011 4:03 PM