Features and Functions 2
U1731B/U1732B User’s and Service Guide 19
Enable/Disable Auto Power-Off
When the LCR meter has not been used for five minutes since the last
operation, the beeper will beep a long tone. Then the LCR meter will
automatically enter sleep mode and none of the anunciators will shown on
the display. To re- activate the LCR meter, press any key.
When the LCR meter must be used for a longer period, the auto power- off
function can be disabled. To disable auto power- off, press and hold the
L/C/R key while turning LCR meter ON. Release the L/C/R key and press
any key again. The annunciator will disappear. This will confirm
that the auto power- off function has been disabled.
When a 12 VAC adaptor is used as an optional power source, the auto
power- off function is automatically disabled.
Low Battery Indication
When the annunciator is blinking on the display, this shows that the
battery voltage is below normal working voltage and is weakening. Replace
the battery with a new battery to maintain the precision of the LCR
meter. To replace the battery, refer to Chapter 3, “Battery Replacement”.
Backlit Display (Only Available for U1732B)
Press and the hold key for more than one second to toggle
backlit ON/OFF. This function is only available for the U1732B.
It is recommended that the LCR meter should always be powered off when not in use.
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