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2.7.5 Monitoring Low Voltage
Four levels of the low voltage monitor control are provided for the terminal.
Description Action Next Startup
VDET1 Warning against low
voltage of the battery
pack
Issues warning
message for low
voltage of the
battery pack.
-
VDET2 Turning off the power
due to low voltage of
the battery pack
Turns off the
power.
Resume (with warning at time
of startup)
VDET3 Emergency turning off
the power due to low
voltage of the battery
pack
Forces the
terminal to turn off
the power.
Warm boot (with warning at
time of startup)
Battery Pack
The following shows statuses and levels available for the battery pack.
Normally the battery status is checked once every five seconds. Taking last immediate ten
data of the power voltage from AD converter, its average is calculated to classify the status
into three levels, either “Almost exhausted (10% of the capacity or less)”, “Low (30% of the
capacity or less)”, “O.K. (30 % of the capacity or more)”. When VDET1 occurs, the level is at
10% of the capacity.
Status/Level Notation Description
External External
power
Power via AC Adaptor is being supplied, and
charging the battery pack is complete.
Recharg
e
Recharging Power via AC Adaptor is being supplied, and
charging the battery pack continues.
Status
Normal Main battery Operating power by the battery pack is being
supplied.
1 O.K. The battery pack has been fully charged or has a
sufficient capacity.
2 Low The battery voltage level is at 30% or less.
Level
3 Almost
exhausted
The battery voltage level is at 10% or less.
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