![Icom IC-R75 [22/48] Filter selection](/img/pdf.png)
Icom IC-R75 [22/48] Filter selection
![Icom IC-R75 [22/48] Filter selection](/views2/1074320/page22/bg16.png)
18
5
RECEIVE FUNCTIONS
■ Filter selection
The filter selection switches the IF passband width
as shown in the table at right.
The filter selection is automatically memorized in
each mode.
q Select the desired mode with the mode s
witches.
w Push [FIL] one or more times to select the desired
filter combination.
• ã or ç does not appear while in normal IF filter.
• ç appears when wide IF filters are selected.
• ã appears when narrow IF filters are selected.
When an optional filter is installed, set the optional
filter in filter set mode. Optional filters are not
selected by default.
• Filter construction
CFWS450E (15 kHz)
CFWS450HT (6 kHz)
FL-65 (2.4 kHz)
FL-257 (3.3 kHz)
FL-96 (2.8 kHz)
FL-222 (1.8 kHz)
FL-52A (500 Hz)
FL-53A (250 Hz)
optional
FL-23 (15 kHz)
FL-272 (2.4 kHz)
FL-103 (2.8 kHz)
FL-223 (1.9 kHz)
FL-100 (500 Hz)
FL-232 (350 Hz)
FL-101 (250 Hz)
optional
Mixer
2nd IF signal 3rd IF signal
9 MHz IF filter 455 kHz IF filter
IF Filter
Passband
width
Recommended
selectivity
9 MHz
FL-100 500 Hz/–6 dB CW-N, RTTY-N
FL-101 250 Hz/–6 dB
FL-103 2.8 kHz/–6 dB SSB-W
CW-N
FL-223 1.9 kHz/–6 dB SSB-N
455 kHz
FL-52A 500 Hz/–6 dB CW-N, RTTY-N
FL-53A 250 Hz/–6 dB CW-N
FL-96 2.8 kHz/–6 dB SSB-W
FL-232 350 Hz/–6 dB CW-N, RTTY-N
FL-222 1.8 kHz/–6 dB SSB-N
FL-257 3.3 kHz/–6 dB SSB-W
Содержание
- Explicit definitions 2
- Important 2
- Read this instruction manual carefull 2
- Save this instruction manual 2
- Trademarks 2
- For class b unintentional radiators 3
- Precautions 3
- R warning neve 3
- Information 4
- Supplied accessories 4
- Table of contents 5
- 5 6 7 8 6
- E r t y i o 0 1 6
- Front panel 6
- Function display p 5 speaker 6
- Panel description 6
- 9 0 1 2 3 4 8
- Continued 8
- Front panel 8
- Function display p 5 8
- 8 9 0 1 9
- Function display 9
- Q w e r t 9
- U i o 0 1 2 3 4 9
- Q w r t y u i e o 0 10
- Rear panel 10
- Grounding 11
- Installation and connections 11
- Optional bracket and carrying handle 11
- R warning neve 11
- Receiver stand 11
- Connections 12
- Antenna connection 13
- Ic r75 13
- Icom ci v transceiver receiver 13
- Tape recorder connections 13
- Transceive function 13
- Connecting to a pc 14
- D system requirements 14
- Fsk and afsk sstv connections 14
- Frequency setting 15
- Read me first 15
- Using the keypad 15
- D 1 hz and 10 hz tuning steps 16
- D programmable tuning steps 16
- Frequency setting 16
- D 1 mhz quick tuning step 17
- Dial lock function 17
- At auto rf gain sql 18
- Mode selection 18
- Receive functions 18
- Rs rf sql rf sql rf sql 18
- Set mode setting usb lsb cw rtty am fm 18
- Sq sql sql sql 18
- Squelch and rf gain 18
- Noise blanker 19
- Twin pbt operation 19
- Agc time constant 20
- Antenna selection 20
- Attenuator 20
- Preamp 20
- Cw pitch control 21
- Cw reverse mode 21
- Rtty reverse mode 21
- Cfws450e 15 khz 22
- Cfws450ht 6 khz 22
- Filter construction 22
- Filter selection 22
- Fl 103 2 khz fl 223 1 khz fl 100 500 hz fl 232 350 hz fl 101 250 hz optional 22
- Fl 23 15 khz 22
- Fl 257 3 khz fl 96 2 khz fl 222 1 khz fl 52a 500 hz fl 53a 250 hz optional 22
- Fl 272 2 khz 22
- Fl 65 2 khz 22
- If filter passband width 22
- Mhz if filter 455 khz if filter 22
- Q select the desired mode with the mode switches w push fil one or more times to select the desired filter combination 22
- Receive functions 22
- Recommended selectivity 22
- The filter selection is automatically memorized in each mode 22
- The filter selection switches the if passband width as shown in the table at right 22
- When an optional filter is installed set the optional filter in filter set mode optional filters are not selected by default 22
- 455 khz narrow filter selection 23
- 455 khz normal filter selection 23
- 455 khz wide filter selection 23
- 9 mhz narrow filter selection 23
- 9 mhz normal filter selection 23
- 9 mhz wide filter selection 23
- D expanded filter selection on off 23
- D optional filter setting 23
- D wide narrow filter setting 23
- Expanded filter selection on off 23
- Filter set mode 23
- Optional auto notch function 24
- Optional noise reduction function 24
- Optional ut 106 24
- D using the keypad 25
- D using the up y or z dn keys 25
- Memory channel selection 25
- Memory channels 25
- Memory operation 25
- Agc ant 26
- Agc ant 1 26
- Cw rtty 26
- D programming in memory mode 26
- D programming in vfo mode 26
- E push mw for 2 sec to program the displayed frequency and operating mode into the memory channel 26
- Example programming 21 80 mhz cw into memory channel 18 26
- Example programming 7 88 mhz lsb into memory channel 12 26
- Keypad 26
- Memory channel programming 26
- Memory channel programming can be preformed either in vfo mode or in memory mode 26
- Memory operation 26
- Or keypad 26
- Or then 26
- Push for 2 sec 26
- Q select the desired memory channel with up y or z dn in memory mode 26
- Q set the desired frequency and operating mode in vfo mode w push up y or z dn several times to select the desired memory channel 26
- W set the desired frequency and operating mode in memory mode 26
- D transferring in memory mode 27
- D transferring in vfo mode 27
- Frequency transferring 27
- D editing programming memory names 28
- D turning memory name indication on off 28
- Memory clearing 28
- Memory names 28
- Channels 29
- If the scan resume is set to on in scan set mode the scan pauses for 10 sec when detecting a signal then resumes when a signal disappears while scan is paused scan resumes 2 sec later 29
- Preparation 29
- Scan resume on off 29
- Scan speed 29
- Scan types 29
- Squelch condition 29
- The scan is paused when the squelch is closed and then opened scan resumes after 10 sec has passed when the scan resume is on scan is cancelled when the scan resume is off 29
- Memory select memory scan operation 30
- Programmed scan operation 30
- Setting select memory channels 30
- Auto memory write scan 31
- Priority watch operation 31
- Clock and timers 32
- Setting power on time 32
- Setting the current time 32
- Setting power off time 33
- Setting sleep timer period 33
- Beep level 34
- Beep level limit 34
- Confirmation beep 34
- D set mode operation 34
- Rf squelch control 34
- S meter peak hold 34
- Set mode 34
- Set mode description 34
- Am mode noise blanker 35
- Blank channel indication 35
- Cw pitch control 35
- Scan resume 35
- Scan speed 35
- Ci v address 36
- Ci v baud rate 36
- Ci v transceive 36
- Ci v with ic 735 36
- Recorder remote 36
- Speech language 36
- Auto tuning step 37
- Lcd backlight 37
- Rtty mark frequency 37
- Rtty shift width 37
- Speech current time 37
- Speech s level 37
- Speech speed 37
- Cr 282 38
- High stability crystal unit 38
- Opening the receiver s case 38
- Option installations 38
- Ut 102 38
- Voice synthesizer unit 38
- D installation 39
- Dsp unit 39
- Optional if filters 39
- Ut 106 39
- Maintenance 40
- Q make sure receiver power is off w while pushing up y and z dn push power to turn power on 40
- Resetting clears all programmed contents in memory channels and returns programmed values in set mode to their defaults 40
- Resetting the cpu 40
- The following chart is designed to help you correct problems which are equipment malfunctions if you are not able to locate the cause of a problem or solve it through the use of this chart contact your nearest icom dealer or service center 40
- Troubleshooting 40
- When first applying power or when the function seems to be displaying erroneous information reset the cpu as follows 40
- Caution 41
- Clock backup battery replacement 41
- Fuse replacement 41
- D general 42
- D receiver 42
- Specifications 42
- Approved icom optional equipment is designed for optimal performance when used with an icom receiver icom is not responsible for the destruction or damage to an icom receiver in the event the icom receiver is used with equipment that is not manufactured or approved by icom 43
- Cr 282 high stability crystal unit 43
- Ct 17 ci v level converter 43
- Fl 100 fl 101 fl 103 fl 223 and fl 232 9 mhz filters 43
- Fl 52a fl 53a fl 96 fl 222 and fl 257 455 khz filters 43
- Ic mb5 mobile mounting bracket 43
- Mb 23 carrying handle 43
- Options 43
- Rs r75 remote control software 43
- Sp 21 external speaker 43
- Ut 102 voice synthesizer unit 43
- Ut 106 dsp unit 43
- Ci v connection example 44
- Control command 44
- Data format 44
- Remote jack ci v information 44
- Command table 45
- Control command 45
- Ci v data example 1 46
- Ci v data example 2 46
- Control command 46
- Note when reading data w and e are not required 46
- Note when reading data w o are not required 46
- Reading sending if filter setting q receive mode lsb usb w 9 mhz filter normal 2 khz narrow off wide 15 khz e 455 khz filter normal 6 khz narrow 2 khz wide 15 khz 46
- Reading sending memory contents q memory channel 39 w select memory ch select ch e receive frequency 12 45678 mhz r receive mode fm t if filter narrow 46
- Y attenuator off u preamp preamp 1 i antenna selection ant1 o memory name dxspot 1 46
- Ci v data example 3 47
- Control command 47
- Note when reading data w is not required 47
- Reading sending set mode contents q set mode number 21 backlighting w set data set backlighting to a little on the brighter side 180 47
- Set mode data table 47
- 1 32 kamiminami hirano ku osaka 547 0003 japan 48
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