RadioShack MTX-103 - Manual

Page 2 - FEATURES

2 FEATURES © 1995 Tandy Corporation. All Rights Reserved. Radio Shack is a registered trademark used by Tandy Corporation. Your Radio Shack MTX-103 VHF Ma-rine Transceiver lets you transmit andreceive on all United States and inter-national channels in the VHF marineband, as assigned by the Internat...

Page 4 - TABLE OF CONTENTS

4 TABLE OF CONTENTS Preparation ........................................................................................................... 5 Charging the Battery Pack ............................................................................... 5Connecting the Antenna ...............................

Page 5 - PREPARATION

5 PREPARATION CHARGING THE BATTERY PACK The MTX-103 operates on a built-in re-chargeable battery pack (supplied).You must charge the battery pack withthe supplied battery charger beforeyou use it the first time and when BATlights steadily. You can charge the battery pack whileit is detached from or ...

Page 7 - USING AN EARPHONE; USING THE BELT CLIP

7 USING AN EARPHONE To listen privately or to hear better in anoisy area, remove the plug from the SPK jack on the right of the transceiver and plug a monaural earphone (suchas Cat. No. 33-175) into the jack. Thisautomatically disconnects the internalspeaker. USING AN EXTERNAL SPEAKER/MICROPHONE An ...

Page 8 - OPERATION; RECEIVING

8 OPERATION RECEIVING 1. Turn SQUELCH fully counterclock- wise. 2. Turn on the radio by turning VOL- UME clockwise. Adjust VOLUME to the desired listening level. 3. Adjust SQUELCH to eliminate background noise between trans-missions. Wait until there is nosignal on the channel, then slowlyturn SQUEL...

Page 10 - TRANSMITTING; Your call sign or; Calling Another Boat; your call sign or name

10 TRANSMITTING When making a call using a marinetransceiver, you must follow these call-ing procedures. • Channel 16 is the universal calling and safety channel. Leave theradio set to Channel 16, unless acall is in progress on a differentchannel. • Listen to Channel 16 for at least 2 minutes before...

Page 11 - Making an Emergency Call

11 Making an Emergency Call Emergency calls are made on Channel16 because it is monitored by marineradio owners. In many areas, theCoast Guard monitors Channel 16 24-hours a day. There are three levels of emergencycalls: • The Mayday distress signal is for the most severe situations and isused when ...

Page 12 - CHANNEL ASSIGNMENTS

12 CHANNEL ASSIGNMENTS Each of the 78 two-way communicationchannels and 18 receive-only channelsis reserved for a specific type of trans-mission. Misuse of a channel is a viola-tion of FCC regulations. You can listen to any channel. But, withthe Ship Radio Station License that youreceive by filling ...

Page 13 - IINSTALLED CHANNELS AND FREQUENCIES; USA VHF Marine Channels

13 IINSTALLED CHANNELS AND FREQUENCIES USA VHF Marine Channels Channel Frequency (MHz) TX RX 01 156.050 156.050 02 – 160.700 03 – 160.750 04 – 160.800 05 156.250 156.250 06 156.300 156.300 07 156.350 156.350 08 156.400 156.400 09 156.450 156.450 10 156.500 156.500 11 156.550 156.550 12 156.600 156.6...

Page 14 - International VHF Marine Channels

14 International VHF Marine Channels Channel Frequency (MHz) TX RX 01 156.050 156.650 02 156.100 160.700 03 156.150 160.750 04 156.200 160.800 05 156.250 160.850 06 156.300 156.300 07 156.350 160.950 08 156.400 156.400 09 156.450 156.450 10 156.500 156.500 11 156.550 156.550 12 156.600 156.600 15 15...

Page 15 - Comprehensive VHF FM Marine Radiotelephone Channels

15 Comprehensive VHF FM Marine Radiotelephone Channels Operating Channel Designations Frequency (MHz) Type Traffic Ship/Ship Ship/Shore Ship TX Coast RX 1 156.050 160.650 International Only – Yes 2 157.100 160.700 International Only – Yes 3 157.150 161.750 International Only – Yes 4 156.200 160.800 ...

Page 17 - CARE AND MAINTENANCE

17 CARE AND MAINTENANCE Your Radio Shack MTX-103 VHF Marine Transceiver is an example of superior de-sign and craftsmanship. The following suggestions will help you care for the trans-ceiver so you can enjoy it for years. Keep the transceiver dry. If it gets wet, wipe it dry immediately. Liq-uids mi...

Page 18 - FCC NOTICE; FCC Rules

18 IF YOU HAVE PROBLEMS If your transceiver does not operateproperly, check the following itemsfirst. If you still have a problem, bringthe transceiver to your local RadioShack store for assistance. Important: Repair and/or adjustmentof this transceiver must be performedby a technician with an FCC g...

Page 19 - SPECIFICATIONS; GENERAL; TRANSMITTER

19 SPECIFICATIONS GENERAL Channels ....................................All USA and International Channels Included, Plus Ten Weather Channels and CH90, 91, 95, 96, 97 for International Usage Frequency Method ........................................................................ Phase Lock LoopETR ...

Page 20 - NOTES

20 NOTES 19-1004.fm Page 20 Tuesday, August 3, 1999 9:11 AM