3M™ Wireless Communication System Model XT-1
Store Manager Operating Instructions
November 2011 - Revision 1.8
Page 34 of 65
Maintenance
Batteries
Care, Handling and Storage
• Avoiddroppingbatteries.
• Donotcarrybatteriesinyourpocketsorleavetheminhot,dampordirtyplaces.
• Cleanthebatterycontactsperiodicallyusingawater-moistenedswab.
• Becarefulnottoshortthebatterycontactstogether.
• Donotsetthebatteriescontact-sidedownonabaremetalcountertop.
Low Battery Message
When the battery voltage is too low, the headset sounds a “change battery now” message at fifteen-second
intervals to alert the operator to install a fully charged battery. The “change battery now” message continues
for two minutes after which the headset turns off automatically to prevent damage to the batteries.
Charging Batteries
To charge a battery, insert the battery in one of the charging slots.
• TheindicatorlightsREDtoindicatethebatteryischarging.
• TheindicatorlightsGREENtoindicatethebatteryischarged.
Note:
Discharged batteries require 3 1/2 hours to charge.
Note:
When the GREEN indicator lights, the battery is approximately 80% charged. An additional 1/2
hour of charging is required to achieve maximum charge.
Disposing of Batteries
To help protect the environment and conform to regulations, 3M™ Wireless Communication
System Model XT-1 rechargeable batteries must be returned to 3M at the end of their
useful life. Contact your 3M representative for additional instructions.