Icom IC-F5123D Operating Guide - Page 7

3 IDAS OPERATION ■ IDAS operation ■ Receiving a call 1 The IC-F5120D and IC-F6120D series use the Icom Digital D Receiving a Voice Call 2 Advanced System (IDAS) that meets the 6.25 kHz emission q When a Voice call is received: 3 mask requirements for narrow banding. IDAS increases efficiency of channel allocation and use of the RF spectrum. • Mute is released. • While receiving the signal, either the calling station or Talkgroup 4 NOTE: During IDAS operation, MDC 1200 system operation capability is disabled. ID name (or code) can be displayed, depending on the preprogramming. 5 • When an All Call signal is received, "ALL CALL" is displayed. 6 7 ■ IDAS Trunk operation The calling station or Talkgroup ID name 8 The IDAS Trunk system enables further effective channel w Hold down [PTT], then speak into the microphone. 9 management by sharing a minimum of channels with a large e Release [PTT] to receive. 10 number of users. Push [Zone], then push [CH Up] or [CH Down]* to select the 11 IDAS Trunk zone. 12 * The method to select the desired zones may differ, depending on your system set up. 13 NOTE: During IDAS Trunk operation, you can receive and 14 transmit digital calls in the same way as IDAS operation, 15 as described in '■ Receiving a call,' '■ Transmitting a call.' 16 4