Symbol PDT 3400 Series, Product Reference Manual

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10-1
Chapter 10
Maintenance
Batteries
Power for the PDT 3400 is provided by a rechargeable 1300 mAh or high-capacity 2100 mAh
Nickel Metal Hydride (NiMH) battery pack.
Battery Life
To increase battery life, use software controls to decrease the power demands on the battery,
such as:
t Turn off communication ports not being used.
t Set the suspend timer appropriately.
t
Disable the scanner when not at a bar code prompt.
To calculate possible battery life (energy discharge) requirements, take the following usages
into consideration, at the appropriate temperatures:
Terminal Configuration
& Possible Usage
Anticipated Battery
Life* †‡ (NiMH)
600 scans/hour 9 hours
720 keystrokes/hour 13.75 hours
*
These values assume recommended use of power management techniques.
†
At extreme temperatures, battery capacity may be reduced by 20%.
‡ Batch operation.