2-10 Using the MH 110 Wireless TelephoneMobile Handset 110 Wireless Telephone and Desktop Charger User Guide - Revision 1Low Battery IndicatorThe low battery icon displays when the Wireless Telephone battery isrunning out of power. If the Wireless Telephone is in use, a soft beepalso sounds through the earpiece every six seconds indicating that theuser has 15-30 minutes of battery life remaining.If the Wireless Telephone is not in a call when the battery begins to runout of power, only the low battery icon displays. If the battery is notrecharged and becomes critically low, a Low Battery message displaysand a loud beep sounds. The Wireless Telephone will not work until theBattery Pack is recharged.Removing and Replacing the Battery PacksUse the following steps to remove and replace battery packs.Step 1 Press down on the latch on the Battery Pack on the back of the WirelessTelephone. The Battery Pack releases outward as shown in Figure 2-4.Figure 2-4 MH110 Wireless Telephone—back and left side viewCAUTIONBe careful not to short-circuit the battery contacts on the Battery Pack. Batteries canbe short-circuited if metal objects such as coins, keys or paper clips cause a directconnection of the battery terminals. Shorting the contacts can cause permanentdamage.UNIVERGE WL SystemWireless Telephone(back and left side)with Battery Pack ajarLatchBattery packLipUpSelectDown