Hitachi VM-H38A - Manual (Page 14)

CHECKING THE BATTERY
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When the " " indication appears in the viewfinder and flashes while the camera/recorder is
being operated with a battery (provided), it indicates that the battery charge is low. Charge it or
replace it with a charged battery.
NOTE: Whenever the linear time counter is present in the viewfinder, the battery level indicator
"
" is displayed in the viewfinder indicating the condition of camera/recorder battery power. When
the battery is fully charged, " " is displayed.
After several minutes, the symbol will change to " ". When the battery is very near empty, the
symbol will change to " " and start blinking. You should find an alternative power source or
recharge the battery before continuing to use your camera/recorder.