User manual ICOM IC-M56

[. . . ] · DO NOT transmit for more than 50% of total radio use time ("50% duty cycle"). Transmitting more than 50% of the time can cause FCC RF exposure compliance requirements to be exceeded. The radio is transmitting when the "TX indicator" lights red. You can cause the radio to transmit by pressing the "PTT" switch. [. . . ] See the "LAND CHANNEL OPERATION" on p. 16 for details. Push Push for 1 sec. U/I/C/L U/I/C/L For your convenience: The IC-M56 can detect a weather alert tone on the selected weather channel while receiving in another channel or during scanning. See the "SET mode items" on p. channels U/I/C/L International channels Canadian channels 9 4 BASIC OPERATION IMPORTANT: To maximize the readability of your transmitted signal, pause a few sec. after pushing [PTT], hold the microphone 5 to 10 cm (2 to 4 inches) from your mouth and speak at a normal voice level. NOTE: The transceiver has a power save function to conserve the battery power and it cannot be turned OFF. The power save function activates automatically when no signal is received for 5 sec. For U. S. A version: To prevent accidental prolonged transmission, etc. , the IC-M56 has a time-out timer function. This timer cuts a transmission OFF after 5 min. y Push and hold to transmit u Release to receive w Opening the squelch q Power ON e Set volume I Receiving and transmitting CAUTION: Transmitting without an antenna may damage the transceiver. q Rotate [VOL] clockwise to turn power ON. w Use the squelch function to mute any audio noise if necessary. to select the call channel. · "CALL" and call channel number appear. t Push [16·9] to program the displayed channel as the call channel. · The call channel number stop flashing. I Lock function This function electronically locks all keys (except for [PTT], [SQL] and [H/L·LOCK]) to prevent accidental channel changes and function access. · Push [H/L·LOCK] for 1 sec. to turn the lock function ON and OFF. e Push [16·9] again for 3 sec. (until a long beep changes to 2 short beeps) to enter call channel programming condition. · Call channel number to be programmed flashes. Appears while the lock function is used. r Push [Y]/[Z] to select the desired channel. 12 SCAN OPERATION I Scan types Scanning is an efficient way to locate signals quickly over a wide frequency range. The transceiver has priority scan and normal scan. In addition, the weather alert and auto scan function is available for standby convenience. These functions can be activated simultaneously, depending on the settings in SET mode. 18, 19) PRIORITY SCAN CH 01 CH 02 5 Set the tag channels (scanned channel) before scanning. Clear the tag channels which inconveniently stop scanning, such as digital communications. Choose priority or normal scan in SET mode. 18) NORMAL SCAN CH 01 CH 02 WX* CH 16 CH 03 WX* CH 03 CH 05 CH 04 CH 05 CH 04 * Previously selected weather channel when weather alert function is ON Priority scan searches through all tag channels in sequence while monitoring Channel 16. [. . . ] 12) q Push [CH/WX·U/I/C] for 1 sec. once or several times, to select the desired channel group. w Push [16·9] for 1 sec. to select the call channel. Push for 1 sec. e Push [16·9] for 3 sec. (until long beep changes to 2 short beeps) r Push [Y]/[Z] to select the desired channel. t Push [16·9] to program the displayed channel as the call channel. I SET MODE (pgs. [. . . ]