Motorola MWR839 Weather Alert Radio User Guide

About this manual

The Motorola MWR839 is a weather alert radio that receives digitally encoded civil and weather emergency messages from the National Weather Service. It features Specific Area Message Encoding (SAME) to identify specific geographic areas, allowing users to store up to 25 location codes to reduce unnecessary alerts outside their area.

The device includes an alphanumeric LCD display with dimmer and contrast controls, LED indicators for Advisory, Watch, and Warning levels, and the ability to connect external devices via a built-in alert output jack. Users can program alarm clocks, set sleep timers, and customize siren modes.

What's inside

• Introduction
• Accessories & Main Features
• Location of Controls
• Description of Controls and Functions
• Using the Motorola Weather Alert Radio
• AM/FM radio & AUX IN
• Selecting the Weather Band Channel
• Setting Up RBDS CT
• SAME Location Programming
• Advanced Programming

Specifications

Frequently asked questions

What type of batteries does the radio use?

The radio uses 4 AA size/UM-3/LR14 batteries for back-up power.

How many locations can be stored in the SAME memory?

You can store up to 25 different location codes into memory.

What is the function of the External Alert Jack?

It provides contact closure to activate external devices such as sirens or alarms.