Aastra DT433 User Guide - Cordless Phones for MX-ONE - Page 13
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User Manual Cordless Phones for MX-ONE™ 3 Descriptions 3.1 DT4x3 DECT Telephone IMPORTANT: The handset may retain small metal objects around the mouth cap or earcap region. Case The plastic cover parts are made of durable PC/ABS material. Antenna The antenna is integrated inside the handset. Loudspeaker The handset has a separate loudspeaker for the loudspeaking function. It is placed on the back side of the handset. Battery The battery is a rechargeable Li-Ion battery, placed under a battery cover. See 18.1.4 Replace the Battery on page 76. The battery is fully charged within four hours. See 18.1.2 Charge the Battery on page 76. The non-EX classified battery can be charged separately with a battery pack charger. See 18.1.3 Charge Spare Batteries on page 76. IMPORTANT: When charging the EX classified handset, it is only permitted to use a charger marked with DC3-BxxB, DC4-BxxB or CR3-BxxC on the label. It is not permitted to charge the EX battery pack alone. 1424-EN/LZT 103 089 B 2014-04-13 7