Introduction
1
Keysight U1190A Series User’s Guide
23
Automatic Power-Off (APO)
Your clamp meter automatically turns off if the rotary switch is not moved or a key
is not pressed for 15 minutes (default). The clamp meter will beep thrice before it
powers off. Pressing any key or turning the rotary switch to a new position will turn
the clamp meter back on after it is powered off automatically.
The
symbol is shown on the bottom left of the display when the automatic
power-off function is enabled.
Follow the steps below to change the timer period or completely disable the
automatic power-off.
1
Press and hold
while powering on the clamp meter to enter the Setup
menu.
2
The automatic power-off (
A #
) timer period is the first Setup item shown.
3
Press
to make changes to the
A #
value.
Press
or
to change the timer period (from
A 01
to
A 99
minutes) or to
completely disable the automatic power-off function (
AoFF
).
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 backlight
If viewing the display becomes difficult in low-light conditions, press
(on the
U1192A/U1193A/U1194A models) or
(on the U1191A model) to activate the
LCD backlight.
Press
/
again to deactivate the LCD backlight.
NOTE
To conserve battery life, a user-adjustable timer controls how long the backlight
stays on. The default timer period is 15 seconds.
Содержание U1190A Series
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Страница 28: ...1 Introduction 28 Keysight U1190A Series User s Guide Rear view 225 mm 238 mm ...
Страница 49: ...Making Measurements 2 Keysight U1190A Series User s Guide 49 Figure 2 9 Measuring resistance 3 Resistor 1 2 ...
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