83 BASIC OPERATION■ Channel selection (Continued)D USA, International and Canadian channelsThe IC-M604A is pre-programmed with 59 U.S.A., 59 inter-national and 63 Canadian channels. These channel groupsmay be set for your operating area.q Push [CH/WX] to select a regular channel.• If a weather channel appears, push [CH/WX] again.w While holding down [H/L], push [CH/WX] to change thechannel group, if necessary.• USA, International and Canadian channel groups can be se-quentially selected.e Rotate [SELECTOR] to select a channel.• “&72” appears for duplex channels.• “A” appears when a simplex channel is selected.• Pushing the keypad keys, or [Y]/[Z] on the microphone, alsoselects a channel.D Weather channelsThe IC-M604A has 10 weather channels. These are used formonitoring broadcasts from NOAA (National Oceanographicand Atmospheric Administration.)The transceiver can automatically detect a weather alerttone on the selected weather channel while receiving on an-other channel, during standby on a regular channel or whilescanning. (p. 48)q Push [CH/WX] once or twice to select a weather channel.• “9:” appears when a weather channel is selected.• “9: #.'46” appears when the weather alert function isturned ON. (p. 48)w Rotate [SELECTOR] to select a channel.• Pushing the keypad keys, or [Y]/[Z] on the microphone, alsoselects a channel. !"#!"# !"#!"#Push once or twiceWeather alert is OFF. Weather alert is ON.CH/WX " "Push +H/L CH/WX