User manual ICOM IC-U101

[. . . ] NEVER connect the transceiver to a power source of more than 16 V DC such as a 24 V battery. This connection will ruin the transceiver. NEVER cut the DC power cable between the DC plug and fuse holder. If an incorrect connection is made after cutting, the transceiver might be damaged. [. . . ] Toggles between queue channel and received message record indication after queue channel is selected. Push and hold to select queue channel indication. STATUS UP/DOWN KEYS (BIIS operation only) While in the standby condition, push (or rotate)* to display the transmit status indication and select a status number. When a received SDM is displayed, push (or rotate)* to cancel the automatic scroll and scroll the message manually. When an SDM that contains more than 12 characters is displayed, push (or rotate)* to scroll the message manually. *Rotate when this function is assigned to [DIAL]. 7 2 BASIC OPERATION I Channel selection Several types of channel selections are available. Methods may differ according to your system set up. NON-ZONE TYPE: Push [CH Up] or [CH Down], or rotate [CH Up/Down] to select the desired operating channel, in sequence; or, push one of [MR-CH 1] to [MR-CH 4] keys to select a channel directly. ZONE TYPE: Push [Zone] then push [CH Up] or [CH Down], or rotate [Zone Up/Down] to select the desired zone. P0 P1 P2 P3 P4 I Turning power ON q Push [ ] to turn the power ON. w If the transceiver is programmed for a start up password, input the digit codes as directed by your dealer. · 10-keypad* can be used for password input. *IC-F1821/D or IC-F2821/D only: · The keys as below can be used for password input: The transceiver detects numbers in the same block as identical. NOTE for PMR or BIIS PMR operation: · The LCD indication does not change when the operating channel number (or name) is displayed. · To check the selected TX code, push [TX Code CH Select]. D Transmitting notes · Transmit inhibit function The transceiver has several inhibit functions which restrict transmission under the following conditions: - The channel is in mute condition (`Inaudible' condition; " " does not appear. ) - The channel is busy. - Un-matched (or matched) CTCSS is received. - Un-matched (or matched) NAC is received. * - Un-matched (or matched) Individual ID or Talkgroup ID is received. * - The selected channel is a `receive only' channel. · Time-out timer After continuous transmission for the pre-programmed time period, the time-out timer is activated, causing the transceiver to stop transmitting. · Penalty timer Once the time-out timer is activated, transmission is further inhibited for a period determined by the penalty timer. 10 BASIC OPERATION D TX code number edit (PMR or BIIS PMR operation only) If the transceiver has [TX Code CH Select] or [TX Code Enter] assigned to it, TX code contents can be edited within the allowable digits. USING [TX CODE CH SELECT] KEY: q Push [TX Code CH Select] to enter the TX code channel selection mode. · Select the desired channel before entering the TX code channel selection mode if necessary. 2 USING [TX CODE ENTER] KEY: q Select the desired TX code channel via [TX Code CH Select]+[CH Up] or [CH Down], [TX Code CH Up], [TX Code CH Down] or [TX Code CH Up/Down]. w Push [TX Code Enter] to enter the TX code edit mode. e Push [TX Code Enter] to select the desired digit to be edited. · The digit to be edited blinks. 2 w Push [TX Code CH Select] for 1 sec. e Push [TX Code CH Select] to select the desired digit to be edited. · The digit to be edited blinks. r Push [CH Up], [CH Down] or 10-keypad*, or rotate [CH Up/Down] to set the desired digit . t Push [TX Code Enter] to set the digit. [. . . ] IN t PTT control IN or FTSW control IN y Horn drive cont. GND Un-solder Remove 28 CONNECTION AND MAINTENANCE 4 I Antenna A key element in the performance of any communication system is an antenna. Contact your dealer about antennas and the best places to mount them. I Options · RMK-2 SEPARATION KIT + OPC-607/OPC-608/OPC-609 SEPARATION CABLE Allows you to install the transceiver main unit separately from the front panel for operating convenience. · SP-5/SP-22 EXTERNAL SPEAKER Input impedance : 4 Max. [. . . ]