3Com 3106c User Guide - Page 122
Charging an Optional Spare Battery Pack (3Com 3107C), Low Battery Indicator, On a Call
UPC - 662705491585
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122 APPENDIX A: TELEPHONE INSTALLATION AND MAINTENANCE Charging an Optional Spare Battery Pack (3Com 3107C) The charging unit of the 3Com 3107C Cordless Telephone can charge an optional spare battery pack, with or without the handset being in place. 1 Slide the spare battery pack into the rear slot in the charging unit until the retaining clip snaps over the top of the pack. Low Battery Indicator 2 Verify that the BATT CHARGE indicator is lit. If the BATT CHARGE indicator is off, check to see that the AC adapter is plugged in and that the battery pack is making good contact with the charging unit contacts. Charge the battery pack without interruption for 12 to 15 hours. 3 When charging is complete, press out on the latch and remove the battery pack for use. Or, if you don't need the battery pack immediately, leave it in the charging compartment; it will not overcharge. When the battery pack in the handset is low and needs to be charged, you see the message LOW on the display panel. On a Call All keys and functions are available. Handset beeps once every 3 seconds Complete your call as quickly as possible Replace Battery pack within 20 seconds to continue call. In Standby Mode None of the buttons operate. Handset beeps every 15 seconds for 3 minutes. Cannot make or receive a call. Replace battery pack before making a call. Return the handset to the charging unit for charging (or, on the 3Com 3107C, replace the handset battery pack with another charged battery pack).