Uniden UM425 VHF DSC - Manual

Uniden UM425 VHF DSC

Uniden UM425 VHF DSC – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Making a distress call; Making a voice distress call; PUSH TO TALK; PUSH TO TALK; Making a DSC DISTRESS Call; For future reference, write your boat’s name & call sign here:
  • Page 4 – Table of Contents
  • Page 5 – List of Tables
  • Page 6 – Features; Conventions; Italics; Introduction
  • Page 7 – Table 1 - Terms used in the manual
  • Page 8 – Getting Started
  • Page 9 – Parts of the radio; Table 2 - Rear panel connector functions; Connector; External VHF antenna with; Power connector
  • Page 10 – Button; Table 3 - Front panel button functions
  • Page 11 – button; Table 4 - Microphone button functions
  • Page 12 – Turning on the radio; SCAN; How It Works
  • Page 13 – Normal mode operation; Marine Operator
  • Page 14 – Table 5 - Normal mode status messages; Message; Using the radio in normal mode; To transmit, press and hold the; microphone. Release the button when you are finished talking.; Press the; To change the transmit power, press the
  • Page 15 – with Triple Watch on; Press and hold the; Normal mode with Triple and Dual Watch
  • Page 16 – Scan mode; Using the radio in scan mode; Memory
  • Page 17 – Scan mode with Triple and Dual Watch; scan the next channel with Dual
  • Page 18 – Individual; MENU; DSC Call; Setup; System; Exit; Using Your Radio; To display the radio menu, press the
  • Page 19 – microphone to move up a line in the menu if you are at the top line in; microphone to move down a line in the menu if you are at the bottom; Making a voice MAYDAY call; Weak signals
  • Page 20 – Changing the channel; buttons briefly to scroll through the; Making a transmission; button when you're finished talking to let the other; Boosting the transmission power
  • Page 21 – Choosing Triple Watch or Dual Watch; Dual Watch
  • Page 22 – Changing display and sound options; Contrast; Use the up and down; GPS Setup; Position Set
  • Page 24 – Advanced DSC features; Feature; configured correctly; Using Digital Selective Calling (DSC) Features
  • Page 25 – Getting an MMSI number; To Obtain an MMSI Code in Australia; of Economic Development - Radio Spectrum Management at; Entering MMSI numbers; Individual or user MMSI number; User MMSI
  • Page 26 – Group MMSI number; Group MMSI; change the second of the nine digits the
  • Page 27 – Using the directory; Use the up & down arrows to; J O H; MMSI; Directory; New; displays the new MMSI number and asks you to confirm.
  • Page 28 – Table 6 - Character and text entry order; Yes
  • Page 29 – Making DSC Calls; Call type
  • Page 30 – Calling a single station
  • Page 31 – The radio asks you to confirm the call. Select
  • Page 32 – Making an automatic distress call; To send an automatic distress call, press and hold the; The radio displays the list of distress conditions use the; Canceling an automatic distress call; Cancel
  • Page 33 – Receiving a DSC call; the radio advises the; Receive log; Distress Log; Receive Log; Distress; shown first. The display blinks if there are new calls you have not
  • Page 34 – DSC Call Type; button to exit the detail screen and return to the log; Returning a call; Call Back; Table 7 - Receive Log
  • Page 35 – The radio displays the names listed in your directory use the; are about to call and asks you to confirm.; John Henry; Test; Send
  • Page 36 – Auto; Test Reply; Reply
  • Page 37 – The radio displays the names listed in your directory use; Receiving a position request (Position Reply); the radio transmits your; Enabling automatic position reply; without your manual confirmation
  • Page 38 – Sending your own position (Position Send); asks you to confirm. If you want to transmit your position to the; Putting the radio into standby
  • Page 39 – Unattended; Standby; Disabling automatic channel switching
  • Page 40 – Renaming Channels
  • Page 41 – Mounting the radio; kilograms. You may need to use some type of anchor with the; power; and; accessory cable; Installing the Hardware
  • Page 43 – Connecting the radio; Power supply requirements
  • Page 44 – power cable
  • Page 45 – Connecting accessories; Connecting to a GPS receiver
  • Page 46 – Table 8 - Common GPS receivers and connections; OUTPUT; Fixed Mount; NOTE: To extend the life of the radio, use waterproof tape to seal
  • Page 47 – Configuring the GPS; border of a time zone) you can also adjust for Daylight Savings Time.; to exit; Time Adjust
  • Page 48 – Connecting to a charplotter; On; Connecting to an external speaker; Minimum impedance of 4 Ohms
  • Page 49 – Connecting to an external PA speaker
  • Page 50 – Public Address; Using the PA feature
  • Page 51 – Maintenance and Troubleshooting; If the antenna has been damaged, you should not transmit except in; Common questions; Problem; Adjust the squelch level it is probably too low.
  • Page 52 – Where can I find my radio’s
  • Page 53 – Engine Noise Suppression
  • Page 54 – Table 9 - Radio specifications; General; Specifications
  • Page 55 – Transmitter
  • Page 57 – Table 10 - International Channel Frequencies and Channel Tag; RX Freq; Channel and frequencies
  • Page 59 – Table 11 - USA Channel Frequencies and Channel Tag; Status
  • Page 61 – Table 12 - Canadian Channel Frequencies and Channel Tag
  • Page 63 – NMEA Operation; NMEA Input; any sentence except an RMC or; NMEA Output
  • Page 64 – Regulations and Safety Warnings; Basic radio guidelines; of which rules apply to your boat.; DSC: Frequently Asked Questions; What is the status of VHF DSC coverage in Australia?; number of boats that do not carry DSC radios.; Is a call sign or Maritime Mobile Service Identity (MMSI)
  • Page 65 – How can a MMSI be applied for?; This page has important information about MMSI; What qualifications are needed to operate a VHF DSC radio?; operations. It is available at; Antenna Selection and Installation; ensure a safe distance between the antenna and persons close by.
  • Page 66 – Two Year Limited Warranty
  • Page 67 – Mounting Bracket Template
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UM425 VHF DSC

Marine Radio

UM425 VHF OM.indd 1

28/9/11 11:55:11 AM

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Summary

Page 2 - Making a distress call; Making a voice distress call; PUSH TO TALK; PUSH TO TALK; Making a DSC DISTRESS Call; For future reference, write your boat’s name & call sign here:

Making a distress call 2 Lift the red cover. Press and hold the DISTRESS button for three seconds. The UM425 transmits your boat’s location every few minutes until you receive a response. NOTE: If the radio displays ENTER USER MMSI , cancel the automatic distress call and make a normal voice distres...

Page 4 - Table of Contents

4 Table of Contents Making a DSC DISTRESS Call .......................................................................................2 Making a voice distress call .........................................................................................2 Table of Contents .............................

Page 5 - List of Tables

5 Table of Contents (Cont'd) Table 1 - Terms used in this manual ................................................................................ 7 Table 2 - Rear panel connector functions ........................................................................ 9 Table 3 - Front panel button functio...

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