3M 802 用户手册
15
Battery Management
The handheld is powered by a rechargeable lithium-ion battery that must be
periodically charged.
periodically charged.
Battery charging guidelines
Batteries may be charged overnight or for
extended periods.
extended periods.
Batteries do not have to be discharged before
recharging them.
recharging them.
Batteries may be plugged in for any amount of
time to partially recharge the battery.
time to partially recharge the battery.
Always keep one of the two batteries fully
charged in the battery charger. At the end of
each workday, you may want to replace the
battery with a fully charged battery and charge
the other battery.
charged in the battery charger. At the end of
each workday, you may want to replace the
battery with a fully charged battery and charge
the other battery.
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Power
Supply
Battery
Power
Cord
Status
Light
Charger
Stand
1b
1a
1c
3
2
Figure 9: Battery charging system.
Battery use
Typical charge life
A fully charged battery typically provides several hours of use
before recharging is needed.
A fully charged battery typically provides several hours of use
before recharging is needed.
Checking the battery charge
The upper right hand corner of each task screen includes a
graphical battery charge indicator (battery gauge).
The upper right hand corner of each task screen includes a
graphical battery charge indicator (battery gauge).
The battery gauge shows how much of a charge remains in
the battery that is currently being used. (See Figure 10.)
the battery that is currently being used. (See Figure 10.)
If the battery gauge shows less than 50% charge
remaining, you may want to replace the battery with a fully
charged battery and place the other battery in the charger.
remaining, you may want to replace the battery with a fully
charged battery and place the other battery in the charger.
Low battery warning messages
The handheld warns you when battery power is low. You
should replace the battery if a “battery low” message
appears.
should replace the battery if a “battery low” message
appears.
Handheld software protects you from totally losing power
by requiring that the battery be changed or recharged when
the charge drops to a very low level.
by requiring that the battery be changed or recharged when
the charge drops to a very low level.
0/0 Press Trigger To Begin
Battery Gauge
100% charge remaining
50% charge remaining
25% charge remaining
Indicates that the battery
gauge will display shortly.
gauge will display shortly.
?
702_005
Home
Figure 10: The battery gauge shows
how much charge remains in the
battery.
how much charge remains in the
battery.
Sleep Mode
Once the battery is charged and installed, the handheld is ready
to use at all times.
to use at all times.
To conserve battery charge, the handheld will enter “sleep
mode” after approximately two (2) minutes of no activity.
During sleep mode, the screen will go blank.
mode” after approximately two (2) minutes of no activity.
During sleep mode, the screen will go blank.
To bring the handheld out of sleep mode, press the trigger.
The display will revert to the last function that was used.