User manual ICOM IC-F420

[. . . ] INSTRUCTION MANUAL VHF TRANSCEIVER iF310 iF320 UHF TRANSCEIVER iF410 iF420 This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. 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. SAVE THIS INSTRUCTION MANUAL -- This instruction manual contains important operating instructions for the IC-F310, IC-F320, IC-F410 and IC-F420 VHF/UHF TRANSCEIVERS. NEVER connect the transceiver to a power source of more than 16 V DC such as a 24 V battery. [. . . ] · Push and hold to changes the contents of the station code using [ ]/[ ] keys. · Push to selects a TX 5-tone code channel using [ ]/[ ] keys after pushing this key. 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 and hold this key to transmit the selected DTMF code. NOTE: DTMF channels 6 and 7 are used for ID code and emergency code respectively, depending on your system set up. Ask your System Operator or Dealer about DTMF channels 6 and 7 before using these. GRP TX CH 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. LIGHT Push to select the backlight condition. ON :Turns ON the backlight continuously. AUTO :Turns ON/OFF depending on the ACC socket pin 1 voltage. ON: Low (0 V) OFF: High (12 V) ATTENUATOR Push to turn the attenuator function ON/OFF. NOTE: The attenuator function protects desired signals from distorting when excessively strong signals, such as broadcast, pager signals, etc. TRUNKING GROUP SWITCH Push to select the Trunking group. LITE CODE DTMF ATT TONE C. TONE CHANNEL ENTER KEY Push this key then input a continuous tone memory channel number via the keypad to change the tone frequency. 5 OPERATION I Turning power ON I q Push [K ] to turn the power ON. 2 I Channel selection Several types are available, and the channel selection method may differ according to your system set up. Opening message may differ depending on the pre-setting. · A power-up alert tone sounds for about 1 sec. and an opening message may appear. w If the transceiver is programmed for a start up passcode, input digit codes as directed by your System operator. Input your password if this display appears. NON-BANK TYPE: Push the [ ]/[ ] keys to select the desired operating channel, in sequence; or, push one of the [CH 1] to [CH 4] keys to select these channels directly. BANK-TYPE: Push [BANK] to select the desired bank number. · The keys in the diagram below can be used for password input: · The transceiver detects numbers in the same block as identical. When the Tx code channel number (or name) is displayed, the [ ]/[ ] keys select the Tx code channel. TO SELECT A TX CHANNEL: q Push [TX CH] -- a Tx code channel appears. [. . . ] The maximum RF power available from this device is 25 watts. The antenna should be installed as high as possible for maximum efficiency and that this installation height should be at least 5 meters above ground (or accessible) level. In the case where an antenna cannot be installed at a reasonable height, then the transmitter should neither be continuously operated for long periods if any person is within 5 meters of the antenna, nor operated at all if any person is touching the antenna. In all cases any possible risk depends on the transmitter being activated for long periods. [. . . ]