What to do if I can't hear anything from my Uniden MHS335BT speaker?
If you can't hear anything from the Uniden Marine Radio speaker, try adjusting the squelch level, as it might be too high. Also, check and adjust the volume level in case it's too low. If the radio has been exposed to water, there might be water on the speaker. Remove the water and allow the radio to dry out.
Why won't my Uniden Marine Radio transmit?
If your Uniden Marine Radio won’t transmit, ensure you are not in Weather or Scan mode. Also, verify you are not trying to transmit on a receive-only channel or at the wrong power level. Check the battery power level and charge it if it’s low. Make sure each transmission is less than 5 minutes. If the problem persists, try transmitting on a different channel.
How to fix a Uniden MHS335BT that won't turn on?
If your Uniden Marine Radio won't turn on, verify that the battery is installed correctly and charge the radio.
What does 'positioning data is not acquired' mean on my Uniden MHS335BT Marine Radio?
If, when you turn on the Uniden Marine Radio, you get a message that "positioning data is not acquired," be sure there are no obstructions between the radio's antenna and the sky. If you are inside the cabin, move outside.
Why can't anyone hear me on my Uniden MHS335BT Marine Radio?
If you are able to transmit using your Uniden Marine Radio, but no one can hear you, check your UIC channel settings to see if the area you are in uses different channel assignments.
How to fix GPS position data not acquired on Uniden MHS335BT?
If you cannot receive GPS position data on your Uniden Marine Radio, reposition the radio so that nothing blocks the antenna from the satellite signal.
Why is the display flashing on my Uniden Marine Radio?
If the display on your Uniden Marine Radio flashes, it might be in a Watch mode or Scan mode. Try turning off scanning, Weather Alert Watch, Triple Watch, or Dual Watch.
What to do if the power LED on my Uniden Marine Radio charger doesn't turn on?
If the power LED on the charger of your Uniden Marine Radio doesn’t turn on, avoid using the charger when the ambient temperature is below 0° C (32° F) or above 45° C (113° F). Ensure the charging contacts on the radio and charger are clean. If the issue persists, replace the battery.
How to turn on hazard alerts on Uniden MHS335BT?
If you are not getting hazard alerts on your Uniden Marine Radio, make sure Weather Alert Watch is turned on.
Why I cannot send DSC calls from my Uniden MHS335BT Marine Radio?
If you cannot send DSC calls from your Uniden Marine Radio, make sure the MMSI (DSC self ID) is entered and turn ON the DSC Switch in the menus.
General| Brand | Uniden |
|---|---|
| Model | MHS335BT |
| Category | Marine Radio |
| Language | English |
Step-by-step guide for initiating a voice distress call, including essential information to convey.
Highlights the key capabilities and design aspects of the Uniden MHS335BT marine radio.
Identifies and describes the controls and indicators on the front panel of the radio.
Explains how to input text and characters using the radio's on-screen keyboard interface.
Configures the type of distress message sent when the DISTRESS key is activated.
Adjusts basic radio settings like backlight, contrast, and key beep behavior.
Fine-tunes radio operation, including channel modes, priority channels, and scan types.
Sets up GPS parameters such as time offset, units of measure, and direction.
Establishes waypoint and route directories for navigation purposes.
Manages Bluetooth settings, including turning it on/off and setting a broadcast identifier.
Configures Digital Selective Calling (DSC) operations, including directories and calls.
Resets the radio to its original factory settings, except for the MMSI number.
Details on how to use the Man Overboard (MOB) soft key for immediate position marking.
How to use the Weather (WX) soft key to access weather channels and information.
Explains using the CALL soft key for initiating various types of DSC calls and requests.
How to adjust the radio's transmission power level using the HILO soft key.
Functionality of the TRI soft key for activating Triple Watch mode on specific channels.
How to save and remove channels from memory using the MEM soft key.
Using the SCAN soft key to activate channel scanning modes for monitoring activity.
Activating the compass display and orienting the screen using the COMP soft key.
Selecting previously stored routes or waypoints as destinations using the NAV soft key.
Selecting waypoints for navigation and guidance using the WPT soft key.
Managing Bluetooth connections and sending text messages using the BT soft key.
Using the SPKR soft key to clear water from the speaker by emitting a tone.
Monitors a single channel and allows voice communication on that channel.
Monitors priority and memory channels for radio traffic and activity.
Monitors NOAA weather channels for broadcasts and alerts.
Checks weather channels for hazard alerts periodically while in other modes.
Monitors the priority channel and current marine channel for activity.
Monitors priority, second priority, and current marine channels for activity.
Combines channel scanning with weather alert monitoring for comprehensive updates.
Integrates scanning with watch modes to monitor multiple channels simultaneously.
Instructions for connecting the antenna securely to the marine radio unit.
Steps for correctly installing the rechargeable Lithium Ion battery pack.
Guide for using the optional alkaline battery tray as a backup power source.
Procedure for recharging the battery while it is connected to the radio.
Instructions for charging only the battery pack, useful for spare batteries.
Steps to power on the Uniden MHS335BT marine radio.
Guide to entering the unique Maritime Mobile Service Identity (MMSI) number.
How the radio automatically acquires and saves its GPS position.
Adjusting the speaker volume output for clear audio reception.
Adjusting squelch to filter background noise and improve signal clarity.
Selects the appropriate marine channel set for USA, Canada, or International waters.
Locks the keypad to prevent accidental button presses or setting changes.
Enables or disables weather alert notifications for hazard information.
Enters FIPS codes to receive specific weather alerts for a defined geographical area.
Adjusts the display's backlight brightness and timeout duration.
Sets the contrast level for the liquid crystal display for optimal readability.
Enables or disables the audible beep sound generated when a key is pressed.
Steps for transmitting voice messages on selected channels, including microphone usage.
Adjusting the radio's transmission power output (1W, 2.5W, 6W) for different situations.
Procedure for switching between different marine radio channels.
How to store frequently used channels into the radio's memory for quick access.
Operations for the built-in LED light, including flashlight and SOS strobe functions.
Explanation of Digital Selective Calling (DSC) technology and its benefits.
Information on Maritime Mobile Service Identity (MMSI) numbers and their importance for DSC.
Step-by-step instructions for entering the user's unique MMSI number into the radio.
Adding, editing, or deleting individual ship entries in the radio's directory.
Adding, editing, or deleting group MMSI numbers for group communication.
Procedure for initiating an individual DSC call to a specific station.
How to make a DSC call to a pre-defined group of ships.
Instructions for broadcasting a DSC message to all ships within radio range.
How to cancel an active automatic distress call before it is acknowledged.
Procedure for retransmitting an automatic distress call if no response is received.
What to do upon receiving an acknowledgement for a distress call.
How the radio handles incoming distress calls and associated alarms.
Handling incoming individual DSC calls, including proposed channel changes.
Procedure for receiving and responding to group DSC calls.
Steps to conduct test calls to verify radio functionality and configuration.
Configuring automatic or manual responses to incoming test calls.
Setting up the radio to automatically transmit position upon request.
How to request the current position information from another station.
Transmitting your current GPS position to other stations or for assistance.
Requesting or reporting automatic position updates from multiple contacts.
General information about the GPS system and its capabilities.
Configuration options for GPS signal coverage and satellite status.
Customizing channel names for easier identification and use.
Explanation of channel names and their designated uses in marine radio communication.
Guidelines and restrictions for operating marine radio services, including channel usage.
Fundamental rules and best practices for marine radio communication.
Regulatory compliance information related to FCC and Industry Canada standards.
Information regarding radio frequency (RF) exposure limits and safe operating distances.
Details on compliance with FCC Part 15 rules for radio frequency emissions.
Information regarding compliance with Industry Canada's license-exempt RSS standards.
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