Instruction Manual
Page 4
... [PHONES] (p. 18) !7 MAIN DIAL [DIAL] !8 RECEIVE/TRANSMIT INDICATORS [RX]/[TX] !9 TUNING STEP KEY [TS] (pp. 30-32) @0 NOISE BLANKER KEY [NB/ADJ] (p. 78) @1 NOISE REDUCTION KEY [NR/LEV] (p. 79) @2 FUNCTION DISPLAY (p. 13) @3 PRE AMP/ATTENUATOR KEY [P.AMP/ATT] (p. 72) @4 MODE KEY [MODE] (p. 34) ■ Microphone (HM-151) z SPCH/LOCK KEY [SPCH/LOCK] (p. 34, 37...
... [PHONES] (p. 18) !7 MAIN DIAL [DIAL] !8 RECEIVE/TRANSMIT INDICATORS [RX]/[TX] !9 TUNING STEP KEY [TS] (pp. 30-32) @0 NOISE BLANKER KEY [NB/ADJ] (p. 78) @1 NOISE REDUCTION KEY [NR/LEV] (p. 79) @2 FUNCTION DISPLAY (p. 13) @3 PRE AMP/ATTENUATOR KEY [P.AMP/ATT] (p. 72) @4 MODE KEY [MODE] (p. 34) ■ Microphone (HM-151) z SPCH/LOCK KEY [SPCH/LOCK] (p. 34, 37...
Instruction Manual
Page 13
... to enter the noise blanker Set mode. @1 NOISE REDUCTION KEY [NR/LEV] (p. 79) ➥ P ush momentarily to turn the programmable tuning step ON or OFF. 1 PANEL DESCRIPTION !9 TUNING STEP KEY [TS] (pp. 30-32) ➥ While in the receiver front end (input) circuit to improve the sensitivity. Turn ON 'P.AMP' when receiving weak...
... to enter the noise blanker Set mode. @1 NOISE REDUCTION KEY [NR/LEV] (p. 79) ➥ P ush momentarily to turn the programmable tuning step ON or OFF. 1 PANEL DESCRIPTION !9 TUNING STEP KEY [TS] (pp. 30-32) ➥ While in the receiver front end (input) circuit to improve the sensitivity. Turn ON 'P.AMP' when receiving weak...
Instruction Manual
Page 34
...The display changes to Chapter 2. CCW [POWER]: OFF [PBT]: Center (Hold down [TS]. • Preamp indicator, : Push [P.AMP/ATT] • Attenuator indicator, : Push [P.AMP/ATT] 25 [RF/SQL]: Center i7000 ALL CLEAR USB [PBT/M-ch/RIT]: PBT (indicator lights) RF Power [LO1C0K0]%: OFF ...S1 3 5 7 9 20 PO 5 M1 SPL BLANK 40 60dB VFO A 10 CH A/B XFC • NToheisteranbslacenikveerr'sindicator, : initial frePquuesnhcy[NanBd/AmDodJe] • Noise reduction ...
...The display changes to Chapter 2. CCW [POWER]: OFF [PBT]: Center (Hold down [TS]. • Preamp indicator, : Push [P.AMP/ATT] • Attenuator indicator, : Push [P.AMP/ATT] 25 [RF/SQL]: Center i7000 ALL CLEAR USB [PBT/M-ch/RIT]: PBT (indicator lights) RF Power [LO1C0K0]%: OFF ...S1 3 5 7 9 20 PO 5 M1 SPL BLANK 40 60dB VFO A 10 CH A/B XFC • NToheisteranbslacenikveerr'sindicator, : initial frePquuesnhcy[NanBd/AmDodJe] • Noise reduction ...
Instruction Manual
Page 48
...Push [P.AMP/ATT] momentarily to turn the attenuator ON. • P u s h [ P. w Push [MODE] momentarily or hold down [F-3 AGC] for 1 second to enter the AGC Set mode. • Push [F-2 FAST], [F-3 MID] or [F-4 SLOW] to select the time constant, then rotate [DIAL] to adjust the time constant. 39 • Noise blanker (pLS...8226; Below 10 MHz LSB is set to ON. ➥ Hold down for 1 second to enter the DSP noise reduction level Set mode, then rotate [DIAL] to adjust the DSP noise reduction level. • Manual notch filter (pp. 80, 81) ➥ Push [MNF/ADJ] to turn the...
...Push [P.AMP/ATT] momentarily to turn the attenuator ON. • P u s h [ P. w Push [MODE] momentarily or hold down [F-3 AGC] for 1 second to enter the AGC Set mode. • Push [F-2 FAST], [F-3 MID] or [F-4 SLOW] to select the time constant, then rotate [DIAL] to adjust the time constant. 39 • Noise blanker (pLS...8226; Below 10 MHz LSB is set to ON. ➥ Hold down for 1 second to enter the DSP noise reduction level Set mode, then rotate [DIAL] to adjust the DSP noise reduction level. • Manual notch filter (pp. 80, 81) ➥ Push [MNF/ADJ] to turn the...
Instruction Manual
Page 51
...] for 1 second to select the menu M-3. 4 RECEIVE AND TRANSMIT D Convenient functions for receive • Preamp and attenuator (p. 72) • Noise blanker (p. 78) ➥ Push [P.AMP/ATT] momentarily to turn the ➥ Push [NB/ADJ] to enter the • PBT indicator lights green when the twin PBT is selected...GRP] momentarily one or more times push [F-4 NW] to set to ON. ➥ Hold down [P.AMP/ATT] for 1 second to turn the ➥ Hold down [NR/LEV] for 1 second to turn the noise blanker ON or preamp ON or OFF. OFF. • " " appears when the preamp is set...
...] for 1 second to select the menu M-3. 4 RECEIVE AND TRANSMIT D Convenient functions for receive • Preamp and attenuator (p. 72) • Noise blanker (p. 78) ➥ Push [P.AMP/ATT] momentarily to turn the ➥ Push [NB/ADJ] to enter the • PBT indicator lights green when the twin PBT is selected...GRP] momentarily one or more times push [F-4 NW] to set to ON. ➥ Hold down [P.AMP/ATT] for 1 second to turn the ➥ Hold down [NR/LEV] for 1 second to turn the noise blanker ON or preamp ON or OFF. OFF. • " " appears when the preamp is set...
Instruction Manual
Page 61
... [F-4 SLOW] to select the time constant, then rotate [DIAL] to adjust the time constant. • Noise blanker (p. 78) ➥ Push [NB/ADJ] to turn the noise blanker ON or OFF. • " " appears when the noise blanker is set to ON. ➥ Hold down [NB/ADJ] for 1 second to enter the...selected, push [F-2 1/4] to turn the 1⁄4 function ON or OFF. • " " indicator appears when the function is set to ON. ➥ Hold down [P.AMP/ATT] for 1 second to enter the manual notch filter Set mode. • Push [F-2 NF1], [F-3 NF2] to select the notch filter, push [F-4 NW] to ...
... [F-4 SLOW] to select the time constant, then rotate [DIAL] to adjust the time constant. • Noise blanker (p. 78) ➥ Push [NB/ADJ] to turn the noise blanker ON or OFF. • " " appears when the noise blanker is set to ON. ➥ Hold down [NB/ADJ] for 1 second to enter the...selected, push [F-2 1/4] to turn the 1⁄4 function ON or OFF. • " " indicator appears when the function is set to ON. ➥ Hold down [P.AMP/ATT] for 1 second to enter the manual notch filter Set mode. • Push [F-2 NF1], [F-3 NF2] to select the notch filter, push [F-4 NW] to ...
Instruction Manual
Page 66
... the twin PBT is selected. ➥ Rotate [PBT/M-ch/RIT] (controls-inner/outer). • Push [PBT/M-ch/RIT(clr)] to clear the settings. • Noise blanker (p. 78) ➥ Push [NB/ADJ] to turn the attenuator ON. • P u s h [ P. 4 RECEIVE AND TRANSMIT ■ Operating AM q... [AF] [MODE] [TX] indicator [Y] "AM" appears [Z] [DIAL] D Convenient functions for receive • Preamp and attenuator (p. 72) ➥ Push [P.AMP/ATT] momentarily to turn the preamp ON or OFF. • " " appears when the preamp is selected, hold down for 1 second to select AM mode. ...
... the twin PBT is selected. ➥ Rotate [PBT/M-ch/RIT] (controls-inner/outer). • Push [PBT/M-ch/RIT(clr)] to clear the settings. • Noise blanker (p. 78) ➥ Push [NB/ADJ] to turn the attenuator ON. • P u s h [ P. 4 RECEIVE AND TRANSMIT ■ Operating AM q... [AF] [MODE] [TX] indicator [Y] "AM" appears [Z] [DIAL] D Convenient functions for receive • Preamp and attenuator (p. 72) ➥ Push [P.AMP/ATT] momentarily to turn the preamp ON or OFF. • " " appears when the preamp is selected, hold down for 1 second to select AM mode. ...
Instruction Manual
Page 68
...8226; " " appears when the auto notch filter is set to ON. • DSP noise reduction (p. 79) ➥ Push [NR/LEV] to turn the DSP noise reduction ON or OFF. • " " appears when the DSP noise reduction is set to ON. ➥ Hold down [NR/LEV] for 1 second ... band or push a band key on the HM-151. w Push [MODE] momentarily or hold down [F-1 VOX] for receive • Preamp and attenuator (p. 72) ➥ Push [P.AMP/ATT] momentarily to turn the attenuator ON. • P u s h [ P. this step, if necessary. (p. 38) u Release [PTT] (microphone) to return to receive. [AF] [...
...8226; " " appears when the auto notch filter is set to ON. • DSP noise reduction (p. 79) ➥ Push [NR/LEV] to turn the DSP noise reduction ON or OFF. • " " appears when the DSP noise reduction is set to ON. ➥ Hold down [NR/LEV] for 1 second ... band or push a band key on the HM-151. w Push [MODE] momentarily or hold down [F-1 VOX] for receive • Preamp and attenuator (p. 72) ➥ Push [P.AMP/ATT] momentarily to turn the attenuator ON. • P u s h [ P. this step, if necessary. (p. 38) u Release [PTT] (microphone) to return to receive. [AF] [...
Instruction Manual
Page 142
... ■ Miscellaneous (others) Set mode (continued) 30 HM-151 [F-1] This item programs one of several functions to [F-1] key of HM-151. "P.AMP/ATT" (Preamplifier/attenuator), "NB" (Noise blanker), "NR" (Noise reduction), "MNF" (Manual notch filter), "ANF" (Auto notch filter), "TS" (Tuning step), "SPL" (Split operation), "A/B" (VCO A/B...same even when the operating mode is held down for the [F-3 CLR] key. Programmable key assignments are described as above. Noise blanker function is pro- Clears the RIT/∂TX frequency when [F-3 CLR] is changed between SSB and CW. The...
... ■ Miscellaneous (others) Set mode (continued) 30 HM-151 [F-1] This item programs one of several functions to [F-1] key of HM-151. "P.AMP/ATT" (Preamplifier/attenuator), "NB" (Noise blanker), "NR" (Noise reduction), "MNF" (Manual notch filter), "ANF" (Auto notch filter), "TS" (Tuning step), "SPL" (Split operation), "A/B" (VCO A/B...same even when the operating mode is held down for the [F-3 CLR] key. Programmable key assignments are described as above. Noise blanker function is pro- Clears the RIT/∂TX frequency when [F-3 CLR] is changed between SSB and CW. The...
Instruction Manual
Page 147
.... The attenuator function is closed. Push [P.AMP/ATT] to obtain a pp. 1, suitable listening level. 25, 33 The squelch is activated. Receive distorted signals. Push [P.AMP/ATT] to clear the PBT function. Rotate... mode is not properly tuned. check the SEND line of this chart, contact your nearest Icom Dealer or Service Center. p. 77 to turn the function p. 72 OFF. 14 15...to manually pp. 114, tune the antenna. 115 Receive audio distorted. signal is by strong Noise blanker function is pushed. POWER SUPPLY PROBLEM Power does not come on the microphone or -...
.... The attenuator function is closed. Push [P.AMP/ATT] to obtain a pp. 1, suitable listening level. 25, 33 The squelch is activated. Receive distorted signals. Push [P.AMP/ATT] to clear the PBT function. Rotate... mode is not properly tuned. check the SEND line of this chart, contact your nearest Icom Dealer or Service Center. p. 77 to turn the function p. 72 OFF. 14 15...to manually pp. 114, tune the antenna. 115 Receive audio distorted. signal is by strong Noise blanker function is pushed. POWER SUPPLY PROBLEM Power does not come on the microphone or -...
Service Manual
Page 8
...IC2551, pin 1) are applied to the D/A converter (IC551) to the DSP ICs (IC301, IC2201) for the digital IF filter, demodulation, automatic notch and noise reduction, etc. The filtered signal from the DSP IC (IC301) are applied to drive speaker. The switched AF signals are applied to ... (16.15 kHz) LOGIC unit IC451 LPF A/D converter IC2201 DSP IC DSP IC IC301 D/A converter IC601 LPF DSPO2 AF signals CODEC IC (IC551) • AF CIRCUIT DSPO1 IC2551 3 LPF 1 IC2551 5 De- 7 emphasis 6 IC2601 IC2602 Q2602 1 6 AF 6 6 7 AF amp. [EXT SP] LOGIC UNIT MAIN UNIT SP1 CHASSIS 3 - 3...
...IC2551, pin 1) are applied to the D/A converter (IC551) to the DSP ICs (IC301, IC2201) for the digital IF filter, demodulation, automatic notch and noise reduction, etc. The filtered signal from the DSP IC (IC301) are applied to drive speaker. The switched AF signals are applied to ... (16.15 kHz) LOGIC unit IC451 LPF A/D converter IC2201 DSP IC DSP IC IC301 D/A converter IC601 LPF DSPO2 AF signals CODEC IC (IC551) • AF CIRCUIT DSPO1 IC2551 3 LPF 1 IC2551 5 De- 7 emphasis 6 IC2601 IC2602 Q2602 1 6 AF 6 6 7 AF amp. [EXT SP] LOGIC UNIT MAIN UNIT SP1 CHASSIS 3 - 3...