Uniden MHS135DSC owner manual Channels and Frequencies MHz, US channel frequencies and names

Page 35

Size (without antenna)

6.33 (H) x 2.57 (W) x 1.92 (D) inch

161 (H) x 65.5 (W) x 48.8 (D) mm

 

Weight

10.9 oz (310g) (w/battery and antenna)

Transmitter

 

Frequency Range

156~158 MHz

Frequency Stability

±2.5 PPM

Power Output

1 W, 2.5 W, and 6 W

Spurious Emissions

-40 dB @ HI; -40 dB @ LO.

Current Drain

1450 mA (6 W)

 

 

Receiver

 

Type

Double Conversion Super Heterodyne

Phase Locked Loop system for Local Oscillator

 

Frequency Range

156~164 MHz

Sensitivity

0.23 μV for 12dB SINAD

Squelch Sensitivity

Threshold 0.2μV

Audio Frequency Response

+6 dB @ 500 Hz; -6 dB @ 2000Hz

Adjacent Channel Selectivity

70 dB @ ±25 kHz

Audio Output Power

1.0 W @MAX VOLUME

Current Drain

Squelched: 50mA; Max. Audio: 240mA

Channels and Frequencies (MHz)

US channel frequencies and names

 

 

 

US Marine Channels

Ch

RX Freq

TX Freq

Status

Name

1A

156.050

156.050

Simplex

Vessel traffic system/commercial

5A

156.250

156.250

Simplex

Vessel traffic system/commercial

6

156.300

156.300

Simplex

Inter-ship safety

7A

156.350

156.350

Simplex

Commercial

8

156.400

156.400

Simplex

Commercial

9

156.450

156.450

Simplex

Non commercial

10

156.500

156.500

Simplex

Commercial

11

156.550

156.550

Simplex

Vessel traffic system

12

156.600

156.600

Simplex

Vessel traffic system

13

156.650

156.650

Simplex, 1 W

Bridge to bridge

14

156.700

156.700

Simplex

Vessel traffic system

15

156.750

Inhibit

Receive only

Environmental

16

156.800

156.800

Simplex

Distress, safety, and calling

17

156.850

156.850

Simplex, 1 W

Govt maritime control

18A

156.900

156.900

Simplex

Commercial

Uniden MHS135DSC Radio Owner’s Manual

E-31

Page 34 Page 36
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Page 34 Page 36
Contents MHS135DSC Making a Distress Call Faire UN Appel DE Détresse Table of Contents Introduction FeaturesFront view Getting StartedWhat’s included Parts of the MHS135DSCButton Press to Press and hold to Back viewIcon What it means ChargerReading the display Display icons and what they meanMenu Option What it does How It WorksNormal Menu Call Menu Mode What it does Use it when you want to To turn it on/offOperation Modes Monitoring Channel Watch mode What it does To turn it on/offNormal WX Alert Watch on wx ScanWith DSC Watch on Memory Channel Scan08 10 11 12 13 14 15 17 20 24 WeatherTriple 16 09 Watch on Triple WX Alert Watch onAttaching the Antenna Setting Up the HardwareInstalling the Battery Using Alkaline BatteriesMounting the Charger Setting Up Your RadioCharging the Battery Important notes on charging the batteryEntering the User Mmsi Setting It UpOperating the Radio Changing the transmission level Digital Selective Calling FeaturesWhat is DSC? Making a TransmissionEntering Mmsi numbers Advanced DSC featuresFeature Menu Item Function Mmsi NumbersEntering a group Mmsi number Entering Your User Mmsi NumberEntering an individual Mmsi number Using the DirectoryTo the DSC Directory Edit screen Call type What it does When to use itMaking DSC Calls Select Individual Calling a single station Individual CallAll ships call Calling all stations All-Ships Call Making an automatic distress callCalling a particular group of stations Group Call Select Receive Log Canceling an automatic distress callReceiving a DSC call Receive logDSC Call Type Receive Log Information Test CallsReturning a call from the Receive Log Making Test Calls TestSelect DSC Setup and then Test Reply Receiving Test Call SetupPOS Request Position Request and ReplyAcknowledging Test Call Receipt Enabling Automatic Position ReplyPosition Send Putting the radio into standbyPosition Reply GPS Operation Overview GPS FeaturesDisabling automatic channel switching Select DCS Setup, then Auto CH SWGPS Setup Menu Using the Flashlight Nmea FeaturesRenaming Channels Maintenance and TroubleshootingGeneral SpecificationsProblem Things to Try Common QuestionsUS channel frequencies and names Channels and Frequencies MHzRX Freq TX Freq Status Name RX Freq TX Freq Status Canadian channel frequencies and namesCanadian Marine Channels RX Freq TX Freq Status Name on display International channel frequencies and namesDSC Channel Regulations and Safety WarningsMaritime Radio Services Operation Weather channel frequencies and namesFCC RF Exposure Information Three Year Limited Warranty

MHS135DSC specifications

The Uniden MHS135DSC is a highly regarded handheld marine radio designed for boating enthusiasts and professionals alike. This device combines advanced technology with user-friendly features, making it an essential tool for effective communication on the water.

One of the standout features of the MHS135DSC is its Digital Selective Calling (DSC) capability, which enhances safety by allowing boaters to send automated distress signals. This feature significantly improves the speed of communication in emergencies, sending distress alerts that include the boat's GPS location to nearby vessels and coast guard stations. The MHS135DSC also supports Class D DSC, which means it can prioritize emergency calls over regular communication.

The radio is built to withstand the rigors of marine environments, featuring an IPX8 waterproof rating, making it submersible in water up to 1.5 meters for 30 minutes. This robust design ensures that the radio remains operational even in adverse weather conditions, providing peace of mind to users.

Another notable characteristic of the MHS135DSC is its built-in GPS receiver. This feature allows users to easily access their location and navigate more effectively. The unit can display real-time coordinates, and it integrates seamlessly with other marine navigation systems. The internal GPS also facilitates DSC operations, ensuring that crucial location data is sent during distress calls.

The MHS135DSC operates on both the VHF marine radio band and supports a wide range of channels for effective communication. With 1W/5W power settings, users can adjust transmission strength according to their communication needs, whether they are in close proximity to other vessels or need to reach distant stations.

A user-friendly interface is an additional asset of this radio. The clearly labeled buttons and intuitive design make it easy to operate, even for those new to marine electronics. The radio also features a bright LCD display for clear visibility even under direct sunlight.

Battery life is another critical aspect, and the MHS135DSC excels in this area with a rechargeable lithium-ion battery that provides long-lasting power. The device also supports battery save modes, ensuring that the radio remains functional during extended outings.

In summary, the Uniden MHS135DSC is a feature-rich handheld marine radio that prioritizes safety, usability, and durability. With its DSC capabilities, waterproof design, built-in GPS, and robust battery life, it serves as an essential communication tool for anyone navigating the waters, ensuring connectivity and peace of mind.
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