Icom IC-M72 Instruction Manual - Page 15

BASIC OPERATION 4 Receiving and transmitting CAUTION: Transmitting without an antenna may damage the transceiver. q Rotate [VOL] clockwise to turn power ON. • Opening comment scrolls across the function display. (p. 13) • Push [16•9] to skip the opening comment indication. w Set the volume and squelch level. ➥ Push [ ], and push [Z] to open the squelch. ➥ Rotate [VOL] to set the volume level. ➥ Push [ ], and push [Y]/[Z] to set the squelch level. e Push [Y]/[Z] to select the desired channel. - When receiving a signal, " " indicator appears while audio is emitted from the speaker. - Further adjustment of [VOL] may be necessary at this point. r Push [H/L•LOCK] to select the output power, if necessary. - "LOW" appears when low power is selected; "MID" appears when middle power is selected; no indication when high power is selected. - Choose low or mid. power to conserve battery power, choose high power for longer distance communications. - Some channels are for low power only. t Push and hold [PTT] to transmit, and speak into the mi- crophone. - The transmit indicator appears while transmitting. - Channel 70 cannot be used for transmission. y Release [PTT] to receive. IMPORTANT: To maximize the readability of your transmitted signal, pause a second after pushing [PTT], hold the microphone 5 to 10 cm (2 to 4 inches) from your mouth, and speak into the microphone using a normal voice level. 4 NOTE: The transceiver has a power save function to conserve the battery power. The power save function activates automatically when no signal is received for 5 sec. To prevent accidental prolonged transmission, etc., the ICM72 has a time-out timer function. This timer cuts a transmission OFF after 5 min. of continuous transmission. t Push to transmit y Release to receive q Power ON w Set volume w Set the squelch level w Set the squelch level e Select the channel r Set output power Microphone Speaker 9