Uniden MHS235 VHF Marine Radio Owner's Manual

Owner's manual for Uniden MHS235 VHF marine radio covering distress calls, GPS, DSC, and operation.


Uniden MHS235 VHF Marine Radio Owner's Manual - cover page
Brand
Uniden
Document type
User Manual
Language
English
Pages
46
File format
PDF
File size
2.8 MB
Published
02 November, 2026
Updated
02 November, 2026
MD5 checksum
160E5C2A21D7C9111E65C9AC5C5B09EC

About this manual

This manual guides users through operating the Uniden MHS235 VHF marine radio, including distress call procedures, channel setup, GPS and DSC features, and hardware installation. It covers both voice and automatic distress calls, channel scanning, weather alerts, and emergency protocols. The radio is submersible and includes features like dual watch modes, temperature sensors, and SOS strobe lights.

What's inside

  • Making a Distress Call
  • Setting Up the Hardware
  • Operating the Radio
  • Digital Selective Calling Features
  • GPS Features
  • Maintenance and Troubleshooting
  • Specifications
  • Regulations and Safety Warnings

Specifications

Water ResistanceComplies with floating JIS8/IPX8 standards
Transmitter Power1W to 2.5W or 6W
ChannelsAll marine VHF channels for U.S., Canada, and international waters
DSC ComplianceInternational Class D DSC standards

Frequently asked questions

How do I make a distress call?

Lift the red cover and press and hold the DISTRESS button for three seconds. The radio transmits your boat’s location until you receive a response.

What is the water resistance rating?

The radio is submersible and complies with floating JIS8/IPX8 standards, allowing it to be submerged in 1.5 meters of water for 1 hour without damage.

What channels does the radio support?

It supports all marine VHF channels for the U.S., Canada, and international waters, including emergency channels and weather channels.

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