Furuno FS-1503 manual Frequency Sweep

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1.14 Frequency Sweep

Sweep is the function where the receiver searches for a signal within a selected frequency coverage. AGC is automatically turned on in frequency sweep.

The defaults of respective parameters are as follows:

Sweep stop signal level: 3

Sweep stop time:

2 sec

Sweep width:

100 kHz

Step frequency:

1 kHz

These can be adjusted on system codes 9951 through 9954.

Note: Sweep width is the frequency width to sweep on both sides of the selected frequency. Sweep step is the frequency interval at which the receiver sweeps the sweep width.

Procedure

1.Select the sweep center by key operation.

2.Press the [SCAN/6] key. “SWEEP” appears and the receiver starts sweeping. To stop sweep- ing, press the [SCAN/6] key.

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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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