Instruction/ maintenance manual of the product MH120 Uniden
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UT899BH (MH120)_ENG 3/15/05 4:24 PM Page i.
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Contents Controls and Indicators ...................................................................... 2 Warning! .............................................................................................. 4 Introduction ..........................
Controls and Indicators 2 1 Antenna 2 Belt Clip 3 Battery 4 Battery Release Clip 5 PTT (Push to Talk) Key 6 USA/International/Canadian Button ( UIC ) 7 WX Mode/Weather Alert Button ( WX/ALERT ) 8 TX P.
3 A Transmit Indicator B TX Power Indicator C USA/International/Canadian ( US/INT/CAN ) Indicator D Channel Number Display E Memory Indicator F Scan Indicator G Battery Indicator H Triple Watch Indica.
W arning! • The MH 120 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.
Introduction The MH 120 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.
Technical Support and Service Your Uniden dealer can provide you with sales assistance and information. If your marine radio does not perform properly, follow the troubleshooting tips in the back of this operating guide. For technical support contact Uniden at 1-800-586-0409.
Included in Y our Package If any of these items are missing from the box, contact your Uniden Dealer or the Uniden Parts Department at (800)-554-3988. Beltclip Wrist Strap (RETC484647Z) Alkaline Batte.
Getting Started Attaching the Antenna Apply the antenna to the radio as shown. Be sure the antenna is firmly seated. Installing the Alkaline Battery Case Snap the battery release clip out and remove the alkaline battery case. Remove the battery case cover by pulling the 2 halves apart applying your fingers to the projections.
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.
Operation • See “Controls and Indicators” (page 2) for button, knob, and key positions. • When you turn On your MH 120 just after purchasing, it is automatically tuned to channel 16, the United States Coast Guard frequency for distress, safety, and calling.
Selecting a Channel Turn On your MH 120 . To select a higher channel, press the ▲ button. To select a lower channel, press the ▼ button. • To change the channel continuously, press and hold the ▲ or ▼ 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 MH 120 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 ▲ button.
Emergency/Weather Alert Emergency/Weather Alert allows your MH 120 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 feature is turned On, the radio sounds an alert tone.
USA, International and Canadian Channels The MH 120 is initially set for USA marine channels when you turn On your radio. To listen to international marine channels, press the UIC button once. INT appears on the display. To listen to Canadian marine channels, press the UIC button again.
Deleting a Channel from Memory Select the channel to delete from memory by pressing the ▲ or ▼ button. Press the MEM button. MEM disappears from the display. Scanning To begin scanning the programmed channels, press the SCAN button. SCAN and TRIPLE appear on the display.
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. When the battery is fully charged, the battery indicator appears as follows: When the battery is nearly dischar.
Marine Channels - USA Channel Frequency (MHz) Traffic Type Note Ship to Ship to Desig Transmit Receive Ship Shore WX0 — 163.275 NOAA Weather RX Only RX Only WX1 — 162.550 NOAA Weather RX Only RX Only WX2 — 162.400 NOAA Weather RX Only RX Only WX3 — 162.
Channel Frequency (MHz) Traffic Type Note Ship to Ship to Desig Transmit Receive Ship Shore 24 157.200 161.800 Public Corresp. DUP No Yes 25 157.250 161.850 Public Corresp. DUP No Yes 26 157.300 161.900 Public Corresp. DUP No Yes 27 157.350 161.950 Public Corresp.
Marine Channels - International Channel Frequency (MHz) Traffic Type Ship to Ship to Permanent Desig Transmit Receive Ship Shore Scan List WX0 — 163.275 NOAA Weather RX Only RX Only Weather WX1 — 162.550 NOAA Weather RX Only RX Only Weather WX2 — 162.
Channel Frequency (MHz) Traffic Type Ship to Ship to Permanent Desig Transmit Receive Ship Shore Scan List 24 157.200 161.800 Duplex No Yes Busy Tel. 25 157.250 161.850 Duplex No Yes Busy Tel. 26 157.300 161.900 Duplex No Yes Busy Tel. 27 157.350 161.
Marine Channels - Canada Channel Frequency (MHz) Traffic Type Ship to Ship to Permanent Desig Transmit Receive Ship Shore Scan List WX0 — 163.275 NOAA Weather RX Only RX Only WX1 — 162.550 NOAA Weather RX Only RX Only WX2 — 162.400 NOAA Weather RX Only RX Only WX3 — 162.
Channel Frequency (MHz) Traffic Type Ship to Ship to Permanent Desig Transmit Receive Ship Shore Scan List 24 157.200 161.800 Duplex No Yes Busy Tel. 25 157.250 161.850 Duplex No Yes Busy Tel. 26 157.300 161.900 Duplex No Yes Busy Tel. 27 157.350 161.
Optional Parts and Replacement Accessories Uniden Parts Department (800)-554-3988 Hours: M-F 8:00AM to 5:00PM CST We can also be reached on the web at www.
Specifications General Channels Transmit and Receive All US/International/ Canada Channel Weather 10 Freq. Control PLL Freq. Tol. Transmit 1.5 PPM (at 25°C) Receive 1.
T roubleshooting 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.
FCC RF EXPOSURE INFORMA TION WARNING! Read this information before using the radio In August 1996 the Federal Communications Commission (FCC) of the United States with its action in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to radio frequency electromagnetic energy emitted by FCC regulated transmitters.
Three-Y ear Limited W arranty Important! Evidence of original purchase is required for warranty service. WARRANTOR: Uniden ELEMENTS OF WARRANTY: Uniden warrants for three years, to the original retail.
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An important point after buying a device Uniden MH120 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Uniden MH120 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Uniden MH120 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Uniden MH120 you will learn all the available features of the product, as well as information on its operation. The information that you get Uniden MH120 will certainly help you make a decision on the purchase.
If you already are a holder of Uniden MH120, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Uniden MH120.
However, one of the most important roles played by the user manual is to help in solving problems with Uniden MH120. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Uniden MH120 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
