Summary of the content on the page No. 1
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page i
Summary of the content on the page No. 2
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page ii www.uniden.com
Summary of the content on the page No. 3
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 1 Contents Controls and Indicators...................................................................... 2 Warning! .............................................................................................. 4 Introduction ........................................................................................ 5 Features ........................................................................................... 5 Technical Support and Service ......
Summary of the content on the page No. 4
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 2 Controls and Indicators 1 10 11 12 2 5 13 MH 120 6 14 WX UIC MEN SCAN 15 7 ALERT 16/9 1/5W TRI 16 8 LOCK 17 MIC 9 3 18 19 4 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 Power/Lock Button (1/5W/LOCK) 9 Microphone 10 Speaker MIC (Optional) Jack 11 Volume/Power Knob (VOL) 12 Squelch Knob (SQ) 13 LCD Display 14 Memory Button (MEM) 1
Summary of the content on the page No. 5
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 3 LCD Display A BC D F E G HIK J 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 Indicator I Weather Mode Indicator J Weather Alert Indicator K Key Lock Indicator 3
Summary of the content on the page No. 6
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 4 Warning! • 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. • Do not operate the transmitter of any radio equipment near electrical blasting caps or in an explosive atmosphere. • Do not let children operate any transmitter-equipped radio equipment
Summary of the content on the page No. 7
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 5 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. To ensure that you get the most from the MH 120’s features, please read this operating guide carefully before using the unit. Features • Waterproof (meets JIS4 waterproof specifications) •
Summary of the content on the page No. 8
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 6 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. The radio contains no user-serviceable parts. Unauthorized adjustment will void the warranty and may cause illegal radio operation. Be sure that a qualified technician service
Summary of the content on the page No. 9
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 7 Included in Your Package MH 120 Antenna (HH9408) Beltclip Wrist Strap (RETC484647Z) Reference Guide/ Alkaline Battery Case Printed Material (attached to the MH 120) If any of these items are missing from the box, contact your Uniden Dealer or the Uniden Parts Department at (800)-554-3988. 7 A R MH 12 0 WX SCAN LE T UIC MEN 16/9 1/5W TRI LOCK MIC
Summary of the content on the page No. 10
AA AA UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 8 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 1 Snap the battery release clip out and remove the alkaline battery case. Remove the battery case cover by pulling the 2 2 halves apart applying your fingers to the projections. 3 Install 6 AA Alkaline batteries (not included) into the battery case. Be certain to follow the + and – symbols
Summary of the content on the page No. 11
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 9 Attaching the Beltclip 1 Hold the beltclip in the direction as illustrated. 2 Apply it to the hanger piece on the back of the radio. Then slide it up. 3 When you hear a click, the beltclip is firmly attached. 4 To take the beltclip off the radio, turn it upside down and slide it up. 9
Summary of the content on the page No. 12
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 10 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. • When you press any button (except PTT), a short tone sounds. Turning On the Unit and Setting Squelch 1 Before you turn On the unit, turn the SPKR MIC squelch (SQ) knob fully counterclockwise.
Summary of the content on the page No. 13
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 11 Selecting a Channel Turn On your MH 120. 1 [UP ] 2 To select a higher channel, press the button. 3 To select a lower channel, [DOWN ] press the button. • To change the channel continuously, press and hold the or button for more than 1 second. One-touch Channel 16/9/TRI Example: While you are monitoring channel 20, you want to check channel 16 or channel 9. 1 You are now on channel 20. 2 To monitor channel 16, press the 16/9/TRI button. To
Summary of the content on the page No. 14
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 12 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. 1 To select Triple Watch mode, press and hold the 16/9/TRI button for 2 seconds. A double confirmation tone sounds and TRIPLE appears on the display. 2 To exit from Triple Watch, press and hold the 16/9/TRI button for 2 seconds. A double confirmation tone sou
Summary of the content on the page No. 15
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 13 Monitoring Weather Channels The MH 120 has 10 preprogrammed emergency/weather channel frequencies, represented by 0 through 9. To listen to the emergency/weather 1 channels in your area, press the WX/ALERT button. WX appears on the display. [UP ] To move up, press the button. 2 [DOWN ] To move down, press the button. 3 To exit, press the WX/ALERT button. 4 WX disappears from the display. • To change the channel continuously, press and hold the
Summary of the content on the page No. 16
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 14 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. You will then hear the emergency/weather broadcast. 1 To use Emergency/Weather Alert, select the emergency/weather channel in your area. Press and hold the WX/ALERT button 2 for 2 seco
Summary of the content on the page No. 17
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 15 USA, International and Canadian Channels The MH 120 is initially set for USA 1 marine channels when you turn On your radio. 2 To listen to international marine channels, press the UIC button once. INT appears on the display. 3 To listen to Canadian marine channels, press the UIC button again. CAN appears on the display. 4 The radio will keep the last mode setting that was selected when turned back On. • For USA, international and Canadian marine c
Summary of the content on the page No. 18
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 16 Deleting a Channel from Memory Select the channel to delete from 1 memory by pressing the or button. 2 Press the MEM button. MEM disappears from the display. Scanning 1 To begin scanning the programmed channels, press the SCAN button. SCAN and TRIPLE appear on the display. 2 To stop scanning, press the SCAN button once more. SCAN and TRIPLE disappear from the display. • Scanning starts from the lowest to highest channel and stops when it finds
Summary of the content on the page No. 19
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 17 Transmitting Transmission power can be set to either 1 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. 2 To transmit, press and hold the PTT (push-to-talk) key. TX appears on the display. 3 To return to receive, release the PTT key. TX disappears from the display. • If the PTT key is pressed for more than 5 minutes, TX starts blinking and the transmission ends. The TX t
Summary of the content on the page No. 20
UT899BH (MH120)_ENG 3/15/05 4:24 PM Page 18 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 discharged, the battery indicator appears as follows: • When the battery indicator drops to the blinking 1-mark level on the display, the radio will receive but will not transmit. Key Lock To prevent accidental entries, you can lock the keypad. 1 Press and h
