User manual ICOM IC-275A-E

[. . . ] This connection will ruin the transceiver. EXPLICIT DEFINITIONS The following explicit definitions apply to this manual. DEFINITION Personal injury, fire hazard or electric shock RWARNING may occur. CAUTION NOTE Equipment damage may occur. No risk of personal injury, fire or electric shock. [. . . ] (PMR model) r MICROPHONE CONNECTOR Connect the supplied microphone or optional DTMF microphone for SmarTrunk IITM operation here. The pin assignments may be different and the transceiver may be damaged. MICROPHONE The supplied microphone has a PTT switch and a hanger hook. · The following functions are available when the microphone is on or off hook: · Automatic scan start when hung up. · Automatic priority channel selection when off. · Sets to `Inaudible' condition (mute condition) when hung up. · Sets to `Audible' condition (unmute condition) when off. · Blinks slowly: talk around. 4) · Blinks quickly: enter password. e CHANNEL INDICATORS · Indicate the operating channel. · Blink when receiving a signal during scanning operation. · All LEDs blink while entering the power ON password. NOTE: When all function LED's blink, check that the DC battery voltage is not too high. NOTE: Place the microphone on hook to start scanning. Take the microphone off hook to stop scanning. NOTE: The unmute condition (`Audible' condition) may automatically return to the mute condition (`Inaudible' condition) after a specified period. 4 1 PANEL DESCRIPTION TRUNKING GROUP SWITCH Push to select the trunking group. VOICE SCRAMBLER SWITCH · Push and hold to turn the voice scrambler function ON. · Push to turn the voice scrambler function OFF. GRP PRODUCT INFORMATION s This IC-275A-E/320(F410/420)S's with serial numbers above 50000 are compatible with the optional UT-109/ UT-110 voice scrambler units. 1020 (4 groups × 255) code numbers are available. s This transceiver requires version #02 scrambler units, do not install version #01, as they are not compatible. s UT-109 and UT-110 require some PC board modifications. Please refer to the additional installation manual. 5, 8, 11, 18) SCRM NOTE: · Optional UT-109 (#02) or UT-110 (#02) VOICE SCRAMBLER UNIT is required. · IC-F320(420)S's with serial numbers above 50000 are compatible with voice scrambler units. · Contact your dealer for details. 5 OPERATION s Turning power ON I q Push [K ] to turn the power ON. 2 s Channel selection Several types are available, and the channel selection method may differ according to your system set up. w If the transceiver is programmed for a start up passcode, input digit codes as directed by your System operator. · The keys in the diagram below can be used for password input: · The transceiver detects numbers in the same block as identical. [. . . ] Please refer to the additional installation manual. · This transceiver requires #02 type scrambler units, do not install #01 types, as they are not compatible. Flat washer Spring washer When using self-tapping screws · The sponge supplied with the UT-105 is for the IC-F30/ F40 series transceivers only. 11 CONNECTION AND MAINTENANCE 3 s Optional OPC-617 installation Install the OPC-617 as shown below. s Antenna A key element in the performance of any communication system is an antenna. Ask your dealer about antennas and the best places to mount them. s Fuse replacement Two fuses are installed in the supplied DC power cable. If a fuse blows or the transceiver stops functioning, track down the source of the problem, if possible, and replace the damaged fuse with a new, rated one. Fuse rating IC-275A-ES/F410S: 15 A, IC-F320S/F420S: 20 A OPTIONAL CABLE PIN ASSIGNMENT trewq q LED light cont. [. . . ]