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 an AC outlet. This may pose a fire hazard or result in an electric shock. NEVER connect the transceiver to a power source of more than 16 V DC such as a 24 V battery. [. . . ] EMERGENCY KEY Push and hold the key to transmit an emergency call. · 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. DTMF CHANNEL SELECT KEY Push this key to select a DTMF channel. · Push this key, then select the desired DTMF channel using the [ ]/[ ] keys. Push the key to transmit the selected DTMF code. 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. · Push this key, then push [ ]/[ ] for selection. · Up to 5 ID's are memorized. Push and hold this key to erase all memorized IDs. TRUNKING GROUP KEY Push to select the Trunking group. 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. to enter set mode, push [SET] momentarily to select the item. Push [ ] and [ ] to set the desired level/condition. Push and hold [SET] again to exit 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. · Push to turn the voice scrambler function OFF. 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. [. . . ] input power: 5 W HM-152/HM-152T/HM-148 HAND MICROPHONE · HM-152 : Hand microphone. The same as that supplied with the transceiver. · HM-152T : DTMF microphone · HM-148 : Heavy duty microphone SM-25 Desktop microphone. UT-105 SmarTrunk IITM Logic Board Provides SmarTrunk IITM capabilities. [. . . ]