Furuno FS-1503 manual Selecting Frequency, Turning AGC on/off

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Turning AGC on/off

AGC is automatically turned on when frequency is changed, and “AGC” appears when AGC is active. To turn AGC on or off manually, press the [MODE/1] key while pressing and holding down the [ENT] key.

1.8 Selecting Frequency

Frequency can be selected by:

•Direct key entry (Free selection within marine bands for ship stations where a qualified Radio Operator is available.)

•Channel number entry

•[FREQ/CH] control

A receiving frequency can be selected by one of the above methods, but there is a restriction in selecting a transmitting frequency. This depends on how the equipment is programmed accord- ing to the national radio regulation.

Frequencies are indicated by:

Voice frequencies: Designated by the CARRIER frequency. Assigned frequencies are 1.4 kHz higher than the carrier frequencies.

Telex, DSC:	Designated by the CENTER frequencies.

TX Freq	Setting
Selection

Free selection	NO

ITU channels	All channels in the
	APPENDIX indicated by
	CH and frequency.

User channels	YES, indicated by
	CH/station name. Preset by
	FURUNO agent.

1-5

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Contents Page Page Safety Instructions Table of Contents Features IntroductionSystem Configuration OperationRotary controls Transceiver Unit DescriptionKeys Indications ALMTurning the Loudspeaker On/Off Turning the Power On/OffAdjusting the Backlighting Turning the Squelch On/OffSelecting Frequency Turning AGC on/offTx frequency Direct frequency entryRx frequency Paired Rx/Tx frequencyUser channels J3EITU telephony channels SSB Sample displays of ITU telephony channelITU Telex channels TLXDisplaying Station Name Tuning the antennaTransmitting Reducing transmitter power Using the microphoneMonitoring transceiver output power Distress Call on 2182 kHzDistress frequencies Distress calls and Distress messageReceiving Adjusting RF gainClarifier adjustment MeterSquelch control Receiving AM broadcasting stationsNoise blanker NB Channel scan Frequency ScanUser channels ITU channels 12 Sample scan screenFrequency Sweep MIF Commands MIF commands applicable to the FS-1503Telex Communication Operation of Optional EquipmentFuruno Nbdp Terminal DP-5/DP-6 Priority Remote Station RB-500 requires optional Remote-B BoardIntercom Communication on 2182 kHzSystem Setup Changing System SettingsCustomizing by User Scan/sweep-stop signal level Writing User Channels Testing the transmitter with a dummy antenna MaintenanceAural testing Weekly ChecksDiagnostic Test Sequence of diagnostic testLCD/Keyboard Test & ROM Version No. Confirmation Key and corresponding indicationMaintenance MaintenanceMaintenance con’t Troubleshooting Troubleshooting ListTroubleshooting list con’t Errow Indication Replacing FusesSpecifications GeneralAntenna Coupler Appendix Custom CHANNELS/FREQUENCIESMF band working carrier frequencies ref. US CFR 47 Part MF band SSB working carrier frequencies CH noMHz ITU SSB carrier frequencies ITU RR Appendix ITU CH noFollowing frequencies are factory programmed 12/16 MHz ITU SSB carrier frequencies ITU RR Appendix CH no Ship RX Ship TX Telex Channels MF Band Telex Frequency TableMHz Band ITU Nbdp Telex Frequency Table ITU RR Appendix8001 12001 12/16 MHz Band ITU Nbdp Telex Frequency Table 16111 18/19 MHz Band ITU Nbdp Telex Frequency Table CH NO. Ship RX Ship TX22001 22, 25/26 MHz Band ITU Nbdp Telex Frequency Table Index

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