Summary of Contents for Radioddity NISSEI DG-503
- Page 1 Manual for NISSEI DG-503 / DG503MAX Digital SWR Watt meter December 16 , 2024 © Radioddity 2024 page 1/15...
- Page 2 Revision history of this document ............4 Overview ....................5 What is in the box? .................. 6 Bill of materials for NISSEI DG-503 / DG-503MAX ..........6 Backside for connectivity and MAX control ......... 7 Frontside for easy operation ..............8 Prepare for operation ................
- Page 3 About Radioddity ‘You, our friend and customer, are our focus” At Radioddity, our customers are important to us. As a customer, your time and money are important to you. When you buy radios online, you face a dilemma: buy from a reputable website at a high price, or try to save money by choosing a retailer that may not offer quality goods, service or advice.
- Page 4 We will try our best to make the next version of this document of even more added value for you.
- Page 5 Radioddity NISSEI DG-503 / DG-503MAX v1.0 Overview The NISSEI DG503 SWR & Watt meter is highly accurate for measuring forward power, reflected power, and the VSWR ratio of analog radio transceivers. Besides those measurements NISSEI DG-503MAX also measure aforementioned values of DMR (TDMA), AM and SSB of radio transceivers.
- Page 6 What is in the box? Thank you for choosing a NISSEI DG-503 or DG-503MAX. We recommend that you first check the delivery contents listed in the following tables and keep the packaging for later storage. If something is missing or damaged, please contact your dealer immediately.
- Page 7 Radioddity NISSEI DG-503 / DG-503MAX v1.0 Backside for connectivity and MAX control All external connections are on the backside of the DG-503 / DG-503MAX. Besides that, the switch to activate MAX-mode (6) is also located on the backside (DG-503MAX only).
- Page 8 Radioddity NISSEI DG-503 / DG-503MAX v1.0 Frontside for easy operation All relevant values are displayed on the large screen. Power ON/Off the device by pressing the red power button (6). Using the switch (5) you can select which line to be used for measuring (HF or VHF/UHF).
- Page 9 Radioddity NISSEI DG-503 / DG-503MAX v1.0 Prepare for operation Before using the device, turn off the radio you plan to connect to the device. Using either standard cables or the supplied additional patch-cables. HF line Connect the antenna output of your HF radio to the upper right SO-239 socket (2) on the backside of the device.
- Page 10 Radioddity NISSEI DG-503 / DG-503MAX v1.0 VHF/UHF line Connect the antenna output of your VHF/UHF radio to the upper left SO-239 socket (1) on the backside of the device. Connect the VHF/UHF antenna to the lower left SO-239 socket (3) on the backside of the device.
- Page 11 Radioddity NISSEI DG-503 / DG-503MAX v1.0 General specifications MODEL DG-503 DG-503MAX Frequency Range 1.6-60 MHz / 125-525 MHz Measurement (Analog mode) CW, FM, FDMA Measurement (MAX mode) Not available DMR (TDMA), AM, SSB Calibration point 28 / 145 / 435 MHz...
- Page 12 NISSEI DG-503 / DG-503MAX v1.0 Certification The NISSEI DG-503 and DG-503MAX can both be sold in the European Community as they are conformant to the European regulations. This is attested by the following certificate. CE certificate for NISSEI DG-503 and DG-503MAX ©...
- Page 13 Radioddity NISSEI DG-503 / DG-503MAX v1.0 © Radioddity 2024 page 13/15...
- Page 14 Where to find further information? Please note that you can find all user manuals in the support section of the official Radioddity website by following these steps: https://www.radioddity.com/ → Support → Radioddity → DG-503/DG-503MAX For the DG-503/DG-503MAX, the resulting support page looks something like this: As soon as a new file is available, it will be published in our support area.
- Page 15 We would like to thank all Radioddity customers for their constructive feedback. If you find an error in this documentation, or if you miss a function that you would have expected, or even if a detail has not been described to the expected extent, please feel free to write a message to support@radioddity.com.
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