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Amy RoseAug 16, 2025
How to stop noise from Uniden UM725GBT Marine Radio speaker?
- GGina PerkinsAug 16, 2025
To stop the noise from the Uniden Marine Radio speaker, adjust the squelch level; it is probably too low.
To Next PageTo Next PageHow to stop noise from Uniden UM725GBT Marine Radio speaker?
To stop the noise from the Uniden Marine Radio speaker, adjust the squelch level; it is probably too low.
What to do if my Uniden UM725GBT Marine Radio won't turn on?
If your Uniden Marine Radio won't turn on, wait a few seconds and try again. Check the fuse and ensure correct polarity. Verify the line voltage is between 10.5V and 16V.
Why won't my Uniden UM725GBT Marine Radio transmit?
If your Uniden Marine Radio won't transmit, make sure you are not in Weather mode. Also, confirm that you are not trying to transmit on a receive-only channel. Ensure each transmission is less than 5 minutes.
How to fix Uniden Marine Radio when I cannot send DSC calls?
If you cannot send DSC calls on your Uniden Marine Radio, make sure the MMSI (DSC self ID) is entered.
What to do if I'm not getting hazard alerts on my Uniden UM725GBT?
If you are not getting hazard alerts on your Uniden Marine Radio, make sure Weather Alert Watch is turned on.
What to do if Uniden UM725GBT shows "POSITION DATA NOT ACQUIRED"?
If your Uniden Marine Radio displays "POSITION DATA NOT ACQUIRED" when you turn it on, check the GPS connection and settings.
Why is the display flashing on my Uniden UM725GBT Marine Radio?
If the display flashes on your Uniden Marine Radio, try turning off scanning, Weather Alert Watch, Triple Watch, or Dual Watch.
What to do if I can transmit, but no one can hear me on Uniden UM725GBT?
If you can transmit on your Uniden Marine Radio, but no one can hear you, check your radio settings. Also, consider whether the area you are in uses different channel assignments.
Why won't the scan start on my Uniden UM725GBT Marine Radio?
If the scan won’t start on your Uniden Marine Radio, be sure you have channels saved into Memory.
How to enable beeps on Uniden UM725GBT Marine Radio?
If no beeps sound on your Uniden Marine Radio, turn Key Beep on.
General| Type | Fixed Mount VHF Marine Radio |
|---|---|
| Frequency Range | 156.000 - 163.425 MHz |
| Waterproof Rating | IPX8 |
| Weight | 2.2 lbs |
| GPS | Yes |
| Bluetooth | Yes |
| DSC (Digital Selective Calling) | Yes |
| NOAA Weather Channels | Yes |
| Display | LCD Display |
| Power Output | 25 Watts (High), 1 Watt (Low) |
Lists items included with the radio.
Instructions for physically attaching the radio.
Instructions for flush mounting with an optional kit.
Explains the wiring and function of the accessory cable.
Describes the radio's 3-part interface: Controls, Menus, Soft Keys.
Explains the function of the radio's buttons and knobs.
How to access and navigate radio settings via the menu system.
Describes the function of dynamic soft keys based on the screen.
Instructions for configuring general radio preferences.
Steps to set up an optional remote microphone.
Configuration for channel modes, weather alerts, and other radio functions.
Steps to set the radio's time and date display.
How to monitor channels and adjust squelch settings.
How to scan saved or all available channels.
How to monitor weather channels and set alerts.
Explains Priority Watch and Weather Alert Watch.
Explains the purpose and basic call types of DSC.
Explains the technical operation of DSC.
How to add, edit, and manage individual and group contacts.
Steps to make an individual DSC call.
Steps to make a group DSC call.
Steps to make an 'All Ships' DSC call.
How to respond to incoming DSC calls.
How to set up automatic responses to certain DSC calls.
How to perform a test call to verify radio functionality.
How to use the intercom feature with a remote mic.
Steps to request another ship's position.
Steps to send your current position.
How to send text messages via the radio.
How to set up automatic position updates with multiple contacts.
How to perform a DSC self-test.
What happens when the radio receives a distress call.
How to transmit an automated distress call.
How to use the Man Overboard function.
Overview of GPS functionality and features.
How to customize GPS settings like time and direction.
Manage saved location points and paths.
Steps to create and configure navigation routes.
How to start and manage navigation to destinations.
Steps to begin navigation along a pre-defined route.
How to customize compass display and navigation parameters.
Details on NMEA0183 data sentences supported by the radio.
How to configure NMEA data output for position information.
Steps to set up NMEA2000 connectivity.
How to restore radio settings to factory defaults.
Lists VHF marine channels and their uses.
Frequency chart for US marine radio channels.
Frequency chart for Canadian marine radio channels.
Frequency chart for international marine radio channels.
List of NMEA2000 Parameter Group Numbers (PGNs).
Regulations for operating marine radio services.
Essential rules for using marine radios.
Compliance statements for FCC and Industry Canada.
Information regarding radio frequency exposure limits.
Details FCC Part 15 compliance and potential interference.
