Checking the batteries
Set the power switch to ON to check the batteries. The battery check indicator will be displayed for 12 seconds.
When " " is displayed, batteries are OK.
If " " flashes, batteries are low, have spares handy.
If " " is displayed continuously, batteries should be replaced immediately.
*When the battery power is low, the flash will take longer to recharge.
*Before replacing the batteries, set the power switch to OFF.
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