Controls and Indicators... 2 Warning! ... 4 Introduction ... 5 Features ... 5 Technical Support and Service ... 6 Maritime Radio Services Operation ... 6 Included in Your Package ... 7 Getting Started ... 8 Mounting the Charging Cradle ... 8 Attaching the Antenna ...
• The MHS350 is waterproof only when both the antenna and the battery are properly attached. • Do not operate the transmitter of any radio equipment unless all the Radio Frequency (RF) connectors are secure and any open connectors are properly terminated. •...
The MHS350 is a waterproof, portable two-way VHF transceiver. It is compact, lightweight, rugged and fits easily in your hand. This handheld VHF marine radio will give you consistent, outstanding performance in virtually all conditions and situations. To ensure that you get the most from the MHS350’s features, please read this operating guide carefully before using the unit.
Be sure that a qualified technician services your radio equipment. Caution: Changes or modifications to this product not expressly approved by Uniden, or operation of this product in any way other than as detailed by this Operating Guide, can void your authority to operate this product.
(AD-0007) (HH9408) Rechargeable Battery x2 DC Adapter Charging Cradle (BP350) Wrist Strap Beltclip Mounting Screws Reference Guide/ Printed Material If any of these items are missing from the box, contact your Uniden Dealer or the Uniden Parts Department at (800)-554-3988.
Mounting the Charging Cradle Mount the Charging Cradle to either a counter or wall. To counter: Attach the Charging Cradle using the mounting screws and washers as follows. To wall: Apply the Charging Cradle to the wall and insert the two mounting screws into the larger holes of the Charging Cradle.
Attaching the Beltclip Hold the beltclip in the direction as illustrated. Apply it to the hanger piece on the back of the radio. Then slide it up. When you hear a click, the beltclip is firmly attached. To take the beltclip off the radio, turn it upside down and slide it up.
• The jack is for charging only. If the battery level is low, the radio needs to charge before use. • If the LED on the charging cradle flashes, the battery might be broken. Purchase Uniden BP350 battery (see page 29).
• See “Controls and Indicators” (page 2) for button, knob, and key positions. • When you turn On your MHS350 for the first time after purchasing, it is automatically tuned to channel 16, the United States Coast Guard frequency for distress, safety, and calling. From the second time, the radio turned to the channel which was selected before you turn off the radio.
Selecting a Channel Turn On your radio. To select a higher channel, press the L button. To select a lower channel, press the M button. • To change the channel continuously, press and hold the L or M button for more than 1 second.
Triple Watch Triple Watch mode monitors channels 16 and 9 for a signal while you listen to the currently selected channel. The marine radio checks channel 16 and 9 for activity every 2 seconds. To select Triple Watch mode, press and hold the 16/9/TRI button for 2 seconds.
Monitoring Weather Channels The MHS350 has 10 preprogrammed emergency/weather channel frequencies, represented by 0 through 9. To listen to the emergency/weather channels in your area, press the WX/ALERT button. WX appears on the display. To move up, press the L button. To move down, press the M button.
Emergency/Weather Alert Emergency/Weather Alert allows your MHS350 to function as a severe weather warning radio and will also alert you to any local or national emergencies. If the NOAA issues warning while this fea- ture is turned On, the radio sounds an alert tone. You will then hear the emergency/weather broadcast.
SAME Alert SAME (Specific Area Message Encoding) alert function as a severe weather and emergency warning like Emergency/Weather alert (see page 15). But SAME allows you to receive, interpret, and display the information about the code so you can determine if the emergency might affect your area.
To store the FIPS code: Press and hold the MEM/FIPS key for 2 seconds. The radio enters the registration mode. Select the location number from 01 to 15 by pressing the L or M button. Press the MEM/FIPS button. Now enter the FIPS code. Press the L or M button to select the number from 1 to 9.
Programming a Channel into Memory Before using the scanning feature, you have to program channels into memory. Select the channel to enter into memory by pressing the L or M button. Press the MEM/FIPS button to store the channel. MEM appears on the display. Deleting a Channel from Memory Select the channel to delete from memory by pressing the L or M button.
Transmitting Transmission power can be set to either 5W or 1W. Press the 1/5W/LOCK button to make the change, then the 5W or the 1W indicator on the display changes accordingly. To transmit, press and hold the PTT (push-to-talk) key. TX appears on the display.
Battery Indicator When the unit is On, battery power is always indicated on the display. There are 6 levels from 5 to 0. Level 5: The battery is fully charged. Level 0: The radio cannot transmit. If the bat- tery level drops to level 0 during transmitting, the transmission will be canceled.
Optional Parts and Replacement Accessories AC Adapter Antenna Mounting Screws (AD-0007) (HH9408) Ni-MH Battery Wrist Strap DC Adapter (BP350) Reference Guide/ Charging Cradle Beltclip Printed Material Uniden Parts Department (800)-554-3988 We can also be reached on the web at www.uniden.com...
General Channels Transmit and Receive Weather Freq. Control Freq. Tol. Transmit Receive Oper. Temp. Antenna Microphone Display Speaker Power Source Size (without antenna) Weight (w/battery & antenna) Transmitter Frequency Range Frequency Stability Power Output Spurious Emissions Current Drain Receiver Receiver Type Frequency Range Sensitivity Squelch Sensitivity...
Troubleshooting Not enough range Cause: Line of sight blocked ⇒ Increase antenna height. Will not transmit on 5 watt range but will transmit on the 1 watt range. Cause: Low voltage ⇒ Recharge or replace the batteries. Will not transmit while charging. Cause: Low voltage ⇒...
For more information about RF exposure, please visit the FCC website at www.fcc.gov. • When using an external speaker microphone, USE ONLY THE UNIDEN MODEL HHVTA07 (black) or HHVTAW07 (white). Use of any other accessory for this purpose may invalidate your authority to operate this device.
Product excluding Ni-MH battery pack to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below. Uniden warrants for 12 months, to the original retail owner, the Ni-MH battery pack to be free from defects in material and craftmanship with only the limitations or exclusions set out below.