User manual ICOM IC-A110

[. . . ] INSTRUCTION MANUAL VHF AIR BAND TRANSCEIVER iA110 This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. FOREWORD READ ALL INSTRUCTIONS carefully and completely before using the transceiver. CAUTIONS R WARNING!NEVER operate the transceiver with a headset or other audio accessories at high volume levels. Hearing experts advise against continuous high volume operation. [. . . ] w Rotate the dial to select "SP OFF". e Push [SQL] to turn to the previous mode. NOTE: This function available for both internal and external speakers. 4 r Push and hold [PTT] to transmit, then speak into the microphone. · Transmit indicator lights. t Release [PTT] to receive. 2 BASIC OPERATION I Squelch function The transceiver has a noise squelch circuit to mute undesired noise while receiving no signal. I Dial select function Use the dial select function to adjust the tuning behavior of the [DIAL] keys--use 1 MHz tuning when you want to change the frequency in large increments; use regular tuning (25 kHz or 8. 33* kHz) when you want to change the frequency in smaller increments. *Except USA version q Push [V/M] to select VFO mode. · 1 MHz tuning or regular tuning steps can be selected. (see diagrams at right) e Push and hold [DIAL(TS)] for 1 sec. to return to normal operation. D Setting the squelch level q Push [SQL] to turn the level adjusting mode ON. w Turn the tuning [DIAL] to select the squelch level. · `SQ 01' is loose squelch and `SQ 25' is tight squelch. (Initial level is `SQ 01') · `SQ 01' indicates that the squelch circuit is turned off. ·" " appears on the display. e Push [SQL] to return to regular operation. 1 MHz tuning selected I Side tone function When using an optional headset, such as those from the David Clark Co. via the OPC-871 HEAD SET ADAPTOR, the transceiver outputs your transmitted voice to the headset for monitoring. 17) Regular tuning selected I LCD backlight control The backlight of the can be set OFF, Low or High. Push [DIAL] to toggle the backlight control; OFF, Low or High are available. 5 NOTE: Large tuning steps should be used only when you want to change the frequency in large increments. Please select regular tuning steps for normal operation. SCAN OPERATION I Scan operation q Push [V/M] to select memory mode or VFO mode, if necessary. · " MR " appears on the memory mode. 3 highest frequency · VFO scan Repeatedly scans all frequencies over the entire band. (eg 25 kHz or 8. 33* kHz) *Except USA version lowest frequency Start Scan Jump w Make sure the squelch level is set to the threshold point. · Set a squelch level (01 to 25) where the noise is muted. e Push [SCAN] to start scan. · To change the scan direction, turn [DIAL]. e To cancel dualwatch, push [PRI] again. 7 MEMORY PROGRAMMING I Programming a memory channel The transceiver has 20 memory channels for storage of often -used frequencies. q Push [V/M] to select VFO mode, if necessary. w Turns the [DIAL] to select the desired frequency. · Push [DIAL/TS] one or more times to use the dial select function, if desired. 4 D Setting lock out channels In order to speed up the scan interval, you can set memory channels you don't wish to be scanned as lock out channels. q Push [V/M] to select memory mode, if necessary. · " MR " appears. w Turn the [DIAL] to select a memory channel to set as a lock out channel. to toggle the lock out setting ON/OFF. · "LOCK OUT" appears when the channel is set as a lock out channel. e Push [V/M] for 5 sec. [. . . ] 5, 10) D Connection PTT switch Use a PTT switch with a 3. 5 mm diameter plug, if required. Fig. 1 HEADSET (Must be purchased separately. ) 17 OPC-871 HEADSET ADAPTER (OPTION) · Use the upper side mounting hole. · You can mount the attachment on either side of the transceiver. 9 · Bent the plastic dust cover before install the strain relief into the notch. Fig. 3 18 10 OPTIONS D Other options OPC-871 HEADSET ADAPTER (See pgs. [. . . ]