![Icom IC-F121S [16/20] I antenna](/img/pdf.png)
Icom IC-F121S [16/20] I antenna
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13
3
CONNECTION AND MAINTENANCE
■ Antenna
A key element in the performance of any communication sys-
tem is an antenna. Ask your Dealer about antennas and the
best places to mount them.
■ Fuse replacement
A fuse is 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, IC-F520/F620: 20 A
■ Cleaning
If the transceiver becomes dusty or dirty, wipe it clean with a
soft, dry cloth.
AVOID the use of solvents such as benzene or
alcohol, as they may damage the transceiver sur-
faces.
IC-F111S_F121S_F211S_F221S 02.10.3 11:54 AM Page 13 (1,1)
Содержание
- Caution neve 2
- Explicit definitions 2
- Important 2
- Precaution 2
- R warning neve 2
- Read all instruction 2
- Save this instruction manual 2
- Operating the transceiver without running the vehi cle s engine the vehicle s battery will quickly run out if the transceiver is in transmission while the vehicle s engine off 3
- Placing the transceiver against walls this will obstruct heat dissipation 3
- Placing the transceiver in excessively dusty envi ronments 3
- Table of contents 3
- The supplied microphone only other microphones have different pin assignments and may damage the trans ceiver 3
- The use of chemical agents such as benzine or alco hol when cleaning as they damage the transceiver surfaces 3
- Use or place the transceiver in areas with tempera tures below 22 f 30 c or above 140 f 60 c or in areas subject to direct sunlight such as the dashboard of a vehicle 3
- I front panel 4
- Panel description 4
- I function led 5
- Panel description 5
- I programmable function keys 6
- Panel description 6
- Panel description 7
- Panel description 8
- I channel selection 9
- I turning power on 9
- Operation 9
- D transmitting notes 10
- I receiving and transmitting 10
- Important 10
- Operation 10
- D scrambler function 11
- D user set mode 11
- Operation 11
- Connection and maintenance 12
- I rear panel and connection 12
- Connection and maintenance 13
- E dc power receptacle connects to a 12 v dc battery pay attention to polarities never connect to a 24 v battery this could damage the transceiver 13
- I supplied accessories 13
- Q antenna connector connects to an antenna ask your dealer about antenna selection and placement 13
- R optional cable opc 617 connect an external modem unit dimmer control etc 13
- T external speaker jack connect a 4 8 ω external speaker if desired 13
- W microphone hanger connect the supplied microphone hanger to the vehicle s ground for microphone on off hook functions see p 1 13
- Connection and maintenance 14
- I mounting the transceiver 14
- I optional ut 108 installation 14
- Connection and maintenance 15
- I optional opc 617 installation 15
- I optional ut 109 ut 110 installation 15
- Install the opc 617 as shown below 15
- Q turn the power off then disconnect the dc power cable w unscrew the 4 screws then remove the bottom cover e cut the pattern on the pcb at the tx mic circuit mic and rx af circuit disc as shown below r install the scrambler unit as described in optional ut 108 installation in the page at left t return the bottom cover and screws to the original posi tion 15
- Connection and maintenance 16
- I antenna 16
- I cleaning 16
- I fuse replacement 16
- Options 17
- Electromagnetic interference compatibility 18
- Safety training information 18
- 1 32 kamiminami hirano ku osaka 547 0003 japan 20
- Count on us 20
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