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8. Battery Information
The battery information function provides the following information.
• Battery voltage (mV)
• CU installation status (charge status)
• Battery level
• Battery type
There are six battery levels.
The battery level is "HIGH" when fully charged and continues to drop to "MID" and then "LOW" and so on as the
BHT is used.
If a key is pressed or the touch panel is tapped when the battery level is "LOW", the beeper will sound three times
and a "Battery voltage low" message displays. This message will not display again until the BHT is next
suspended or resumed.
If use of the BHT is continued even when the battery voltage is low, the beeper will sound five times, a "Please
recharge battery." message displays, and the BHT automatically goes into suspend mode. It will then not be
possible to resume the BHT until the battery has been sufficiently charged.
Level
HIGH
MID
LOW
WARNING
CRITICAL
NO_BATTERY
The actual battery voltage may differ depending on how the BHT is used. Barcode reading and wireless
communication and so forth exert a large load on the battery and therefore the voltage level may display lower
than the actual level at such times. A message displays and the BHT switches to suspend mode at such times
also.
Ensure to always use a lithium-ion battery.
Voltage
3.9 V or above
Less than 3.9 V
Less than 3.7 V (Beeper sounds once and message displays.)
Less than 3.6 V (Beeper sounds three times, message displays, and BHT
suspended automatically.)
Less than 3.4 V (BHT does not operate.)
No battery installed (BHT does not operate.)
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