General Tools and Instruments HWA4204HA - Manual (Page 11)

10) For quick measurement, follow the procedures
shown below :
Main procedures :
Power * Select the 蚓 or 蚌 Zero
On * Determine the display unit
Optional measuring procedures :
DATA HOLD MEMORY RECORD
Max., Min.
5. BATTERY REPLACEMENT
1) When the left corner of LCD display show " LBT ", 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.
2) Slide the " Battery Cover " (3-9, Fig. 1) away from the
instrument and remove the battery.
3) Install the 1.5 V AAA (UM-4) battery x 6 PCs. Please
use the Alkaline or heavy duty type battery. When install
the batteries should be care for the battery polarity. After
install the batteries, then reinstate the battery
cover.
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0309-HWA4204HA