Icom IC-751 Инструкция по эксплуатации онлайн
Содержание
- Ic 75h 1
- Ic 75h 2
- General 4
- Receiver 4
- Section 1 specifications 4
- Transmitter 4
- All band all mode all solid state 5
- Dual vfo 5
- General coverage receiver capability 5
- Memories 5
- Other features 5
- Outstanding receiver performance 5
- Section 2 features 5
- Transmitter 5
- 1 unpacking 6
- 2 recommendations for 6
- 3 power supply 6
- Be sure to read the following instructions carefully before operation 6
- Installation 6
- Section 3 installation 6
- 10 headphones 7
- 4 antenna 7
- 5 ground 7
- 6 microphone 7
- 8 cw key 7
- 8 rtty 7
- 9 external speaker 7
- 1 front panel 8
- 11 cooling fan 8
- By the monitor curcuit the fan will operate during both 8
- Cause of the overheating before starting to transmit again 8
- Cooling but with 200 watts input the final stage produces 8
- If the temperature rises to a danger limit 90 c the fan 8
- Mit modes 8
- Of the final stage the fan operates as follows 8
- Overheating i e antenna mismatch etc and correct the 8
- Perature monitoring circuit which monitors the temperature 8
- Plug inserted completely only the headphone works 8
- Power is reduced to 50 watts investigate the cause of 8
- Prolonged transmissions the fan is connected to a tem 8
- Quite a bit of heat and its temperature may rise during 8
- Section 4 operating controls 8
- The fan does not operate both in the receive and thans 8
- The headphone will lose the sound on one side with the 8
- The rear of the pa unit is designed to provide for adequate 8
- Transmit and receive to provide additional cooling 8
- Using a tape recorder connected to the headphone jack 8
- When the temperature rises to a point 50 c detected 8
- Will run much more rapidly at this time the output 8
- With a stereo headphone set inserted this way however 8
- 2 top cover 13
- 3 rear panel connections 13
- And attenuator are removed from the circuit and incoming 13
- Anti vox circuit with this control along with the vox 13
- Anti vox control 13
- Attenuation 13
- Calibrates the marker frequency with a standard frequency 13
- Controls the audio level of the monitoring ssb or cw side 13
- For normal operation leave this switch in the off 13
- Gain control so that the vox circuit only operates by the 13
- In vox operation the vox circuit may be operated by 13
- Marker calibrator 13
- Marker switch 13
- Monitor level control 13
- Operator s voice not by sound from the speaker 13
- Position 13
- Preamp att attenuator switch 13
- Put in the rf circuit and provides higher sensitivity 13
- Quency is available on every 10khz 13
- Signals will be fed to the receiver directly 13
- Sound from the speaker causing a switch to transmit this 13
- Such as the wwv 13
- Switches rf preamplifier and attenuator in the rf circuit 13
- The attenuator into the circuit this gives about 20db 13
- The switch in the pre position and the preamplifier is 13
- This removes the preamplifier from the circuit and inserts 13
- Tone when the monitor switch on the front panel is 13
- Trouble can be prevented by adjusting the input level of the 13
- Turned on adjust the control for comfortable monitoring 13
- Turns the marker circuit on or off the marker fre 13
- Very strong signal set this switch in the att position 13
- When nearby signals interfere with reception or receiving a 13
- When the switch is in the off position both preamplifier 13
- When using a small antenna or receiving a weak signal set 13
- 1 how to tune 15
- Section 5 operating instructions 15
- N n n 1 19
- 2 memory channel operation 20
- 3 tuning by up down buttons on 22
- The microphone 22
- 4 scanning operation 23
- 5 ssb operation 24
- 6 cw operation 26
- 7 rtty operation 27
- 8 am operation 28
- 9 fm operation 28
- 10 general coverage receiver 29
- 11 other operations 29
- 1 installation of optional filter 31
- Section 6 option installation 31
- 2 built in power supply unit 32
- Ic ps35 32
- Ic ом 37
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IC 75H HF ALL BAND TRANSCEIVER GENERAL COVERAGE RECEIVER INSTRUCTION MANUAL