User manual ICOM IC-F521

[. . . ] INSTRUCTION MANUAL VHF TRANSCEIVER iF521 UHF TRANSCEIVER iF621 IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver. CAUTIONS RWARNING!NEVER connect the transceiver to a power source of more than 16 V DC such as a 24 V battery. If an incorrect connection is made after cutting, the transceiver might be damaged. NEVER place the transceiver where normal operation of the vehicle may be hindered or where it could cause bodily injury. SAVE THIS INSTRUCTION MANUAL -- This instruction manual contains important operating instructions for the IC-F521 VHF TRANSCEIVER and IC-F621 UHF TRANSCEIVER. EXPLICIT DEFINITIONS DEFINITION Personal injury, fire hazard or electric shock RWARNING may occur. [. . . ] · Push the key after the communication is finished to send a `reset code'. [SCAN A] SCAN START/STOP KEY [SCAN B] Push this key to start scanning; and push again to stop. Push and hold this key to indicate the scan group, then push to select the desired group. [TAG] SCAN TAG KEY Adds or deletes the selected channel to the scan group. LOCK KEY Electronically locks all programmable keys except the following: · [CALL] (incl. [CAL A] and [CAL B]), [MONI] and [EMER] keys. NOTE: The unmute condition (`Audible' condition) may automatically return to the mute condition (`Inaudible` condition) after a specified period. [W/N] WIDE/NARROW KEY Push [W/N] to toggle bandwidth between wide or narrow. OUTPUT POWER SELECTION KEYS Select the transmit output power temporarily or permanently depending on the pre-setting. · Ask your Dealer or System Operator for the output power level for each selection. [LOCK] [H/L] 4 1 [TA] PANEL DESCRIPTION TALK AROUND KEY Turns the talk around function ON and OFF. · The talk around function equalises the transmit frequency to the receive frequency for mobileto-mobile communication. · Call transmission is necessary before you call another station depending on your signaling system. · If you want to cancel the emergency call, push (or push and hold) the key again before transmitting the call. · The emergency call is transmitted one time only or repeatedly until receiving a control code depending on the pre-setting. [CODE] TX CODE CHANNEL UP/DOWN KEY Push to selects a TX code channel directory. · Push this key, then select the desired DTMF channel using the [ ]/[ ] keys. TONE CHANNEL ENTER KEY Push this key then input a continuous tone memory channel number using [ ]/[ ] keys to change the tone frequency. [DTMF] [CALL] [TONE] [EMER] 5 PANEL DESCRIPTION [ID MR] ID MEMORY READ KEY Recalls detected ID codes. MIC COMPANDER KEY Push to toggle the mic compander function ON or OFF. USER SET MODE KEY Changes the contents of the items in the User Set mode. · User set mode also available via the `Power ON function'. [SCRM] 1 SCRAMBLER KEY · Push and hold to turn the voice scrambler function ON. NOTE: · Optional UT-109 (#02) or UT-110 (#02) VOICE SCRAMBLER UNIT is required. - UT-109: Non-rolling type. 1020 (4 groups × 255) cods are available. [GRP] [COMP] [SET] · This transceiver requires version #02 unit, do not install version #01, as they are not compatible. (p. 17) · Please contact your Dealer for details. 6 2 OPERATION I Channel selection Several types channel selections are available, methods may differ according to your system set up. I Turning power ON q Push [POWER] to turn the power ON. · A power-up alert tone sounds for about 1 sec. [. . . ] t Return the bottom cover and screws to the original position. Front panel A B NOTE: Be sure to re-solder above disconnected points, otherwise no TX modulation or AF output is available when you remove the scrambler units. 17 CONNECTION AND MAINTENANCE 4 I Optional OPC-617 installation Install the OPC-617 as shown below. I 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. I 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 : 20 A, I Cleaning OPTIONAL CABLE PIN ASSIGNMENT trewq q LCD backlit cont. GND If the transceiver becomes dusty or dirty, wipe it clean with a dry, soft cloth. [. . . ]