Document Revision 3 NEC Unified Solutions, Inc.ii Indexcompliance 1-6features10 channels 2-2900 MHz digital 2-2AutoStandby 2-2channel selection 2-2charging stand 2-2charging unit 2-2cordless softkey switch 2-2desk softkey switch 2-2handsetdesign 2-2volume 2-2headset jack 2-2LCD display 2-2low battery protection 2-2mute control 2-2out of range protection 2-2programmable keys 2-2ringer volume control 2-2silent alarm 2-2single key access 2-2wall mountable base unit 2-2frequencycontrol 1-1receive 1-1transmit 1-1function keys 2-2Hhandset 1-1, 2-1, 6-2battery 1-1battery pack 3-13, 3-14controls 2-3design 2-2headset jack 2-3message display 2-3microphone 2-3power requirements 1-1receive frequency 1-1ringer 2-3ringer on/off switch 2-3size 1-1talk mode 1-1transmit frequency 1-1using 4-7volume 2-2weight 1-1headset 5-1installing 5-2jack 2-2, 2-3hold key 2-3, 4-2Iindicationsacquiring link 4-7batt low 3-17battery low 3-16low volume 4-8no service 4-8installation precautions 3-1installingdirect wall mounting 3-7handset battery pack 3-13headset 5-2selecting location 3-1standard wall plate 3-4Kkeypadnumeric 2-3keypad buttons 4-1, 4-2channel key 2-3conference key 2-3, 4-1, 4-2desk/cordless softkey switch 2-3F1~F4 keys 2-3hold key 2-3, 4-1, 4-2mute key 2-3redial 4-6redial key 2-3, 4-1, 4-2talk key 4-1, 4-2transfer key 2-3, 4-1, 4-2volume key 2-3volume/ringer key 4-3LLCD display 2-2leather case 5-1line problems 1-5low batteryindication 3-16, 3-17, 6-2protection 2-2Mmessage display 2-3