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Chapter 1 — Using the SF51
4 SF51 Cordless Scanner User’s Guide
Charging the Battery
Make sure you fully charge the battery before you start using the
SF51.
To charge the battery
• Place the SF51 in the 1-bay charger (P/N 074645) or the
4-bay charger (P/N 074646). A fully discharged battery
charges to 100% capacity in approximately 3 hours.
It may take longer than 3 hours to charge the battery if the
temperature is near the minimum (0°C, 32°F) or maximum
(45°C, 113°F) charging temperature.
Note: When you place the SF51 in the 1-bay or 4-
bay charger, you reset the SF51 scanner control
firmware. For more information, see “Resetting the
SF51” on page 28.
Checking the Battery Status
• Press the Scan button.
If the status light on the SF51 turns red, the battery is low
(less than 20% battery capacity remaining). You need to
charge the battery now.
Understanding the Lights
The lights on the SF51 turn on to indicate the status of the
battery, a successful decode of a bar code, or the status of the
Bluetooth connection.