General Tools and Instruments CAF4224 - Manual (Page 14)

5-9 Auto power off management
1)The instrument has built-in "Auto Power Shut-off "
function in order to prolong battery life. The meter will
switch off automatically if none of the buttons are
pressed within 10 min.
2)To de-activate this feature, Select the memory record
function during measurement, by pressing the
" REC Button " ( 3-5, Fig. 1 ).
6. BATTERY REPLACEMENT
* Replace the batteries when the left corner of the LCD
displays the low battery icon " ", using 4 fresh
1.5 V ( UM4, AAA ) batteries.
* To change the batteries, open ( rotate clockwise direction )
the " Battery Cover " ( 3-7, Fig. 1 ).
* Make sure the " Battery cover " (3-7, Fig 1) is secured
after changing the batteries.
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