Icom HF/VHF/UHF ALL MODE TRANSCEIVER manual Transmit Display Scan Problem Possible Cause Solution

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TROUBLESHOOTING 9

TRANSMIT

DISPLAY

SCAN

PROBLEM		POSSIBLE CAUSE	SOLUTION	REF.
Transmitting	is impossi-	The operating frequency is not set to	Set the frequency to a ham band.	p. 17
ble.		a ham band.

Output power is too low.		Power is set to a lower power than	Set the output power in quick set	p. 44
		maximum.	mode.
		Microphone gain is set too low.	Set microphone gain to a suitable	p. 44
			position using quick set mode.
		The antenna is not connected properly.	Reconnect the antenna connector.	—
		The antenna feed line is cut or shorted.	Check the feed line and correct any	—
			improper conditions.
		An antenna for another band is selec-	Select an antenna suitable for the op-	p. 14
		ted.	erating frequency.
		The antenna is not properly tuned.	Push [TUNE] to manually tune the	pgs. 27,
			antenna when an optional antennal	28
			tuner is connected.

No contact possible with		RIT function is activated.	Push RIT to turn the function OFF.	p. 20
other stations.		Split function is activated.	Push [SPLIT] to turn the function OFF.	p. 29
		Split function is activated.	Push [SPLIT] to turn the function OFF.	p. 29

Repeater cannot be ac-		Split function is not activated.	Push [DUP] to turn the function ON.	p. 29
cessed.		An incorrect transmit frequency is set.	Set the proper frequencies into VFO	p. 17
		An incorrect transmit frequency is set.	Set the proper frequencies into VFO	p. 17
			A and B or into one of the memory
			channels.
		Subaudible tone encoder is OFF and	Use [TON] to select FM-T.	p. 30
		repeater requires a tone for access.
		Programmed subaudible tone fre-	Program the required frequency using	p. 49
		quency is wrong.	quick set mode.

Transmitted	signals are	Microphone gain is set too high.	Set gain in quick set mode.	p. 48
distorted.		[COMP LEVEL] is rotated too far	Set [COMP LEVEL] to a suitable pos-	p. 5
		[COMP LEVEL] is rotated too far	Set [COMP LEVEL] to a suitable pos-	p. 5
		clockwise with the speech compres-	ition.
		sor ON.
Displayed	frequency	The dial lock function is activated.	Push [LOCK] to deactivate the func-	p. 2
does not change proper-			tion.
ly.		The internal CPU has malfunctioned.	Reset the CPU.	p. 15
		The internal CPU has malfunctioned.	Reset the CPU.	p. 15
			(While pushing [UP] and [DN] push [POW-
			ER] to turn power ON.
Programmed scan does		Squelch is open.	Set squelch to the threshold position.	p. 23
not stop.
Programmed scan does		The same frequencies have been	Programm different frequencies into	p. 44
not start.		programmed in scan edge memory	scan edge memory channels.
		channels.

Memory scan does not		2 or more memory channels have not	Program 2 or more memory chan-	p. 41
start.		been programmed.	nels.

Memory select scan		2 or more memory channels have not	Designate 2 or more memory chan-	p. 44
does not start.		been designated as select channels.	nels as select channels for the scan.

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Contents I706MKG Word Definition Rwarning PrecautionsTable of Contents Front panel Panel Description0MAIN Dial Tension Latch @2PREAMP/ATTENUATOR Switch P.AMP/ATT 2LOCK Switch LockFunction switches Speech Compressor p VOX Function pBREAK-IN p Function pRear and side panels ACC PIN # Name Description Specifications Color When connecting the ACC conversion cable OPC-599ACC Socket 3FUNCTION Indicators 1DOT Matrix Indicators4DSP Indicators Function display➌PTT Switch PTT ➊UP/DOWN Switches UP/DN ➋LOCK Switch LockMicrophone Connector HM-103 Schematic DiagramPL-259 Connector Installation Example Installation and ConnectionsUnpacking GroundingSingle body mounting InstallationStand Front panel separationRtty Terminal Required connectionsAdvanced connections Connecting the PS-85 DC Power Supply Power supply connectionsConnecting a NON-ICOM DC Power Supply Connecting a NON-ICOMConnecting the AT-180 Connecting the AH-4Connecting the IC-PW1 External antenna tuners and linear ampliﬁerWhen ﬁrst applying power CPU resetting Frequency SettingInitial settings Power OFFMemory Mode pgs VFO ModeVFO description VFOProgrammable tuning steps Frequency settingHz and 10 Hz tuning steps Band selectionTS Switch Flow Chart MHz quick tuning stepSSB/CW/RTTY modes Any mode FM/WFM/AM modes Sub dial functionOperating Mode Selection Mode selectionQuick band change function ➁ Push F-1-F-3 to select a band stacking registerFunctions for receive Receive and TransmitIf shift function RIT functionAGC time constant Noise blankerPreamp and attenuator Peak meter holdSimple band scope RF gain and squelchRF/SQL control priority Optional ﬁlter selection Filter PresettingFilter ON/OFF SSBANF Automatic Notch Filter function Ceiver maintains the ON/OFF condition when pushing F-2NRNR Noise Reduction function Functions for transmit Output power and mic gainDMeter function VOX operation Speech compressorOptional AT-180 Automatic Antenna Tuner operation Manual TuningTuner Operation Optional AH-4AUTOMATIC Antenna Tuner operation ➂ The Tuner light lights constantly when tuning is completeAH-4 operation PTT tune functionQuick split function Split frequency operation➀ Select VFO a and set the frequency to 7.057 MHz/CW Split lock function➄ Push and hold PTT to transmit release PTT to receive Repeater operationTone scan operation Tone squelch operation➅ Communicate in the usual manner ➂ Push F-3SCN to toggle tone scan operation on and OFFAuto repeater function One-touch repeater functionThis function automatically activates the repeater set Frequency Duplex DirectionConnections for CW Functions for CWCW operation Elec KEYDElectronic CW keyer Quick SET Mode CW reverse modeSetting the electronic keyer CW pitch controlConnections for Rtty FSK Functions for RttyConnections for Afsk Rtty FSK operation Presetting for RttyRtty Afsk operation Packet operation Adjusting the transmit signal output from the TNCConnections for packet Data socketSpot measurement Measuring SWRPlot measurement Memory channels Memory and Scan OperationMemory channel selection Memory clearingProgramming in memory mode Programming in VFO modeMemory/call programming Memory names Frequency transferringCalling up memory names Editing programming memory namesWriting frequencies and operating modes into memo pads Memo padsCalling up a frequency from a memo pad ➀ Select the S1 displayPreparation Scan typesMemory scan operation Programmed scan operationSelect memory scan operation Priority watchCI-V connection example Remote Jack CI-V InformationData format VFO A=B Command TableQuick set mode operation SET ModeInitial set mode operation GeneralQ3 VOX Delay SSB/AM/FM only Quick set mode itemsQ2 MIC Gain SSB/AM/FM only Q4 VOX Gain SSB/AM/FM onlyQ5 Anti VOX SSB/AM/FM only Initial set mode items RF/SQL SQL/AUTO/RFSQL Split Lock split lock Quick Split quick split functionSPL Offset split offset DUP HF duplex offsetPWR on CHK Power on check AM NB Noise blanker in AM modeAuto Rptr auto repeater Scan Resume scan resumeTune Strt auto tuner start 29 9600 Mode Data socket speedPTT Tune PTT tune function Vsend SEL ACC socket outputCI-V Addres CI-V address LVL Spch S-level speechCI-V Baud CI-V data rate CI-V TRN CI-V transceiveFuse replacement MaintenanceMemory backup CleaningPower Supply Receive Problem Possible Cause Solution TroubleshootingTransmit Display Scan Problem Possible Cause Solution Opening the transceiver case Optional INSTALLATIONS/SETTINGSIf ﬁlters DOperation InstallationS2 S1 B a AT-180 internal switch descriptionPIN no Description Name Top view Internal ViewsBottom view Options SP-10EXTERNAL Speaker SP-12EXTERNAL Speaker SP-7EXTERNAL SpeakerSP-20EXTERNAL Speaker SP-21EXTERNAL SpeakerSpecifications Power OFF then on to exit initial set mode + power onMenu Guide Indication Description No. IndicationMode Display SSB/AM/FM mode CW mode Rtty modeFor 2 sec Menu DisplayCount on us