This SWR & Watt meter is highly accurate for measuring Forward Power,
Reflected Power, and the VSWR of Analog and Digital transceivers
1. Large LCD (3.5") display for easy of reading
2. Forward / Reflected power / VSWR ratio in one push button
3. Selectable to measure DMR (TDMA), AM, SSB (DG-503MAX)
4. LCD backlight display
5. Convenient control layout for easy operation
6. Packing gift box and DC 12V wire
Measurement (Analog
mode)
Measurement (MAX mode) Not available DMR (TDMA), AM, SSB
Calibration point
Power Range
Accuracy
Minimum Power for SWR
Input/Output Connector
Weight (Net)
Insertion Loss
Testing Function
Input/Output Impedance
Dimension (W/H/D) mm
1 4 2
1. LCD Display : Indicates FWD/REF and VSWR
2. HF & V/UHF band switch
3. Power switch
3
4. MAX : Measuring DMR (TDMA) / AM / SSB
(DG-503MAX only : when rear switch in MAX mode)
5&8.TX : Coax connector to transmitter RF output
6&9. ANT : Coax connector to antenna system
7. 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)
Operation Manual, 12V DC Wire
Fwd/Ref Power & VSWR ratio
Model: DG-503 & DG-503MAX Instruction manual