MDS-10-4 - Marine Radio Standard Horizon - Free user manual and instructions
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| Product Type | Marine VHF Radio |
| Brand | Standard Horizon |
| Model | MDS-10-4 |
| Frequency Range | 156-174 MHz (Marine Band) |
| Power Output | 25W (High) / 1W (Low) |
| Channels | All international marine channels |
| DSC Capability | Yes, Class D DSC |
| Dimensions (H x W x D) | Approx. 150 x 70 x 120 mm |
| Weight | Approx. 1.2 kg |
| Power Supply | 13.8V DC (11.6-15.6V range) |
| Current Consumption | Max 5.5A (Transmit high power) |
| Display | LCD with backlight |
| Waterproof Rating | IPX7 (submersible 1m for 30 min) |
| Weather Alert | NOAA Weather Channels with alert |
| Scanning | Tri-watch, Dual-watch, Memory scan |
| Microphone | Hand microphone with DTMF keypad |
| Mounting | Flush mount or bracket mount |
| Maintenance | Clean with damp cloth, avoid solvents |
| Safety Features | DSC distress, emergency channel 16 |
| Spare Parts Availability | Microphone, mounting bracket, power cable (contact dealer) |
Frequently Asked Questions - MDS-10-4 Standard Horizon
How do I perform a DSC distress call on the MDS-10-4?
Press and hold the DISTRESS button for 3 seconds. The radio will automatically transmit your MMSI and position on channel 16.
Can I connect an external GPS to this radio?
Yes, the MDS-10-4 has an NMEA 0183 input for GPS data to enable DSC position updates.
What is the maximum transmission range?
Range depends on antenna height and power; typically 10-20 nautical miles at 25W with a good antenna.
How do I program memory channels?
Select the desired channel, press and hold MEM, then use the channel knob to choose a memory number and press MEM again to save.
Is the radio waterproof?
Yes, it meets IPX7 standards, meaning it can be submerged in 1 meter of water for up to 30 minutes.
Can I use the radio without an external antenna?
No, a marine VHF antenna is required for proper operation. The radio will be damaged if transmitting without an antenna.
How do I set the squelch level?
Turn the SQUELCH knob clockwise until the background noise stops, then adjust slightly counterclockwise to hear weak signals.
What does the 'WX Alert' function do?
It monitors NOAA weather channels and automatically alerts you when a severe weather warning is issued.
How do I reset the radio to factory defaults?
Turn off the radio, then press and hold the SCAN and WX buttons simultaneously while turning it on until 'CLR' appears.
Why is my transmission power low?
Check if the radio is set to Low Power (1W). Press the HI/LO button to toggle high power (25W). Also verify battery voltage is above 11.6V.
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