Battery Replacement - Lutron Electronics PM-9100HA Operation Manual

5. AUTO POWER OFF DISABLE
The instrument has built-in " Auto Power Shut-off " in
order to prolong battery life. The meter will switch off
automatically if none of the buttons are pressed within 10
min.
To de-activate this feature, Select the memory record
function during measurement, by pressing the " MAX./MIN.
Button " ( 3-5, Fig. 1 ).

6. BATTERY REPLACEMENT

When the left corner of LCD display show " LBT ",
1)
it is necessary to replace the battery. However,
in-spec measurement may still be made for several
hours after low battery indicator appears before the
instrument become inaccurate.
Slide the Battery Cover ( 3-9, Fig. 1 ) away from the
2)
instrument and remove the battery.
Install a 9 V battery (PP3 type) and replace the cover.
3)
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0111-PM-9100HA