UM725G - Talkie Walkie UNIDEN - Free user manual and instructions
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| Product Type | Fixed Mount Marine VHF Radio |
| Brand | Uniden |
| Model | UM725G |
| Frequency Range | 156.025-157.425 MHz (TX), 156.050-163.275 MHz (RX) |
| Channels | All US, International, and Canadian marine channels |
| Transmit Power | 25W (high) / 1W (low) |
| Dimensions (W x H x D) | 6.3 x 2.4 x 5.9 inches (160 x 61 x 150 mm) |
| Weight | 2.2 lbs (1.0 kg) |
| Power Supply | 13.8V DC (negative ground), 1.5A fuse |
| Display | Backlit LCD with channel number and status icons |
| Key Features | DSC (Digital Selective Calling) with Class D, NOAA Weather Alert, Triple Watch, Dual Watch |
| Waterproof Rating | IPX7 (submersible up to 1m for 30 minutes) |
| Audio Output | Internal speaker (4W) and external speaker jack |
| Microphone | Hand microphone with coiled cord and PTT button |
| Memory Channels | Up to 10 programmable memory channels |
| Scanning | Memory scan, priority scan, dual watch, triple watch |
| Weather Functions | NOAA weather channels with alert |
| DSC Functions | Individual, group, all ships call; position request/report; distress alert with GPS |
| Mounting | Flush or bracket mount with included hardware |
| Antenna Connector | SO-239 (UHF female) |
| Operating Temperature | -20°C to +50°C (-4°F to +122°F) |
| Certifications | FCC Part 80, GMDSS compliant |
| Maintenance | Clean with damp cloth, dry thoroughly; avoid solvents |
| Included Accessories | Mounting bracket, knobs, DC power cable, hand microphone with hanger, owner's manual |
| Spare Parts / Repairability | Contact Uniden support or authorized service centers; some parts available through dealers |
Frequently Asked Questions - UM725G UNIDEN
What is the maximum range of the Uniden UM725G?
Range depends on antenna height and conditions; typically up to 20 miles or more with a proper antenna at sea.
How do I use the DSC distress function?
Press and hold the DISTRESS button for 3 seconds after entering your MMSI number (if programmed) to send a digital distress alert.
Is the UM725G waterproof?
Yes, it has an IPX7 rating, meaning it can be submerged in up to 1 meter of water for 30 minutes.
How do I program weather alert channels?
Press the WX button to enter weather mode, then use the channel keys to select a NOAA channel. Press and hold WX ALERT to enable alerts.
Can I connect an external GPS to the UM725G?
Yes, it has an NMEA 0183 input for GPS data to enable position reporting via DSC.
What power output does this radio have?
Selectable 25 watts high power and 1 watt low power for short-range communications.
How do I perform a memory scan?
Press the SCAN button to start scanning all programmed memory channels. Press again to stop.
What type of antenna connector does it use?
It uses a standard SO-239 (UHF female) connector, compatible with most marine antennas.
How do I set up Dual Watch or Triple Watch?
Press the DW or TW button (depending on model) to monitor channel 16 plus one or two other channels.
Does the UM725G come with a mounting bracket?
Yes, it includes a flush or bracket mount kit, knobs, and hardware for installation.
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USER MANUAL UM725G UNIDEN
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Product information
Brand : UNIDEN
Model : UM725G
Category : Talkie Walkie