Nissei DG-503 Instruction Manual

Also see for DG-503: Service manual

Nissei DG-503 Instruction Manual Manual pdf 1 page image

INTRODUCTIONThis SWR & Watt meter is highly accurate for measuring Forward Power,Reflected Power, and the VSWR of Analog and Digital transceiversMain Features:1. Large LCD (3.5") display for easy of reading2. Forward / Reflected power / VSWR ratio in one push button3. Selectable to measure DMR (TDMA), AM, SSB (DG-503MAX)4. LCD backlight display5. Convenient control layout for easy operation6. Packing gift box and DC 12V wireSPECIFICATIONSMODEL DG-503 DG-503MAXFrequency RangeMeasurement (Analog mode)Measurement (MAX mode) Not available DMR (TDMA), AM, SSBCalibration pointPower RangeAccuracyMinimum Power for SWRInput/Output ConnectorWeight (Net)Insertion LossTesting FunctionInput/Output ImpedanceDimension (W/H/D) mmAccessories1 4 21. LCD Display : Indicates FWD/REF and VSWR2. HF & V/UHF band switch3. Power switch3 4. MAX : Measuring DMR (TDMA) / AM / SSB(DG-503MAX only : when rear switch in MAX mode)5&8.TX : Coax connector to transmitter RF output6&9. ANT : Coax connector to antenna system7. Power source :12V DC wire[ Black is negative (-), black/white is positive (+) ]10. MAX switch : Selectable DMR (TDMA), AM, SSB(Push to right 'black dot' - DG-503MAX only)Made in Taiwan50 Ohm140 x 84 x 122Operation Manual, 12V DC Wire(+/- 5%)1WSO239 (N-female option)750 gLess than 0.1 dBFwd/Ref Power & VSWR ratio0 - 200WDigital SWR / Watt MeterModel: DG-503 & DG-503MAX Instruction manual1.6-60 MHz/125-525 MHzCW, FM, FDMA28 / 145 / 435 MHz

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