OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page i
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page ii Contents Included with your OCEANUS DSC/ATIS ..............................................3 Controls and Indicators...........................................................................4 Installation...............................................................................................8 Choosing a Location..........................................................................8 Engine Noise Suppression ...................................
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page iii Setup ...............................................................................................27 Alarm Clock ................................................................................27 Local Time Adjust.......................................................................30 Daylight Savings On/Off.............................................................31 Directory......................................................................
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 2 Uniden OCEANUS DSC/ATIS The Uniden OCEANUS DSC/ATIS VHF marine radio has been designed to give you a rugged, reliable instrument that will provide you with years of trouble-free service. With proper care and maintenance, your marine radio could outlast your present vessel and serve you well on-board.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 3 Included with your OCEANUS DSC/ATIS OCEANUS DSC/ATIS Owner’s Manual OCEANUS DSC/ATIS Radio Mounting Bracket and Knobs Mounting Hardware Microphone Hanger and Screws DC Cord Accessory Cable 3 Spare Fuse 250V 6A
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 4 Controls and Indicators Front panel/Microphone 5 678 9 1 2 3 2 4 10 11 12 13 14 15 1. PTT Switch - Press to transmit and release to receive. 2.5. CHANNEL/▲/▼- These keys are used to change the channel number up/down. These buttons are also used to move the cursor in Menu mode. 3.11. MENU - Press this key to enter the Menu mode. 4.10. SELECT - In the Menu mode this is used to select the menu options. 6.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 5 Rear Panel Connectors 1 1. 2. 3. 4. 2 3 4 ACC Connector To OCEANUS DSC/ATIS Note: DC13.8V and GND are for GPS ANT.
OCEANUS DSC/ATIS_ENG_0512 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 5/12/05 10:34 AM Page 6 TX (Transmit) - Indicates transmitting. HI (High) - Indicates transmit output is 25 Watts. DSC - Indicators the radio is in the DSC mode. TRI (Triple Watch) - Indicates Triple Watch Mode is in effect. MEM (Memory) - Indicates Memory Scan Mode status for each channel selected. LO (Low) - Indicates transmit output is 1 Watt. WX - It blinks when the radio in the Inland Waterway mode.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 7 Flow Chart for Menu Operation MENU DSC CALL SYSTEM SETUP INDIVIDUAL ALARM CLOCK CONTRAST GROUP LOCAL TIME ADJUST LAMP ADJUST ALL SHIPS DAYLITE SAVE KEY BEEP POS REQUEST DIRECTORY EXIT POS SEND AUTO CH SW STANDBY POS REPLY CALL WAIT CH TAG EXIT GROUP MMSI EXIT USER MMSI ATIS ID EXIT NOTES: "POS SEND", "LOCAL TIME ADJUST", "DAYLITE SAVE", and "ALARM CLOCK" are not displayed in Menu when GPS module is not connected.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 8 Installation Caution: The OCEANUS DSC/ATIS will only operate with a nominal 12 volt negative ground battery system. It is important to carefully determine the most suitable location for your radio on your vessel. Electrical, mechanical, and environmental considerations must all be taken into account. You should select the optimum relationship among these considerations.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 9 Engine Noise Suppression Interference from the noise generated by the electrical systems of engines is sometimes a problem with radios. The OCEANUS DSC/ATIS has been designed to be essentially impervious to ignition noise and alternator noise. However, in some installations it may be necessary to take measures to further reduce the effect of noise interference.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 10 Installing the OCEANUS DSC/ATIS After you have carefully considered the various factors affecting your choice of location, position the radio (with the bracket, microphone, power cord, antenna and any auxiliary cables installed) into the selected location to assure there is no interference with the surrounding items. Mark the location of the mounting bracket.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 11 Operation POWER On/Off Turn the unit On by rotating the PWR/VOL control clockwise. Adjust the volume to a comfortable level. When you turn the unit On, you will hear a beep, and the greeting message below appears on the LCD for 3 seconds. Note: When you turn On the radio for the first time after purchase, the channel 16 will appear on the LCD. Last Channel Memory The OCEANUS DSC/ATIS memorizes the last channel selected before you turn Off the radio.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 12 SQUELCH Turn SQUELCH fully clockwise. This raises the “Squelch Gate” so high that only very strong signals can get through. Strong Signals Medium Signals Weak Signals Noise Turn SQUELCH fully counterclockwise until you hear a hiss. This lowers the “Squelch Gate” so that everything gets through - noise, weak signals, and strong signals. Strong Signals Medium Signals Weak Signals Noise Turn SQUELCH back clockwise until the hiss stops.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 13 COAST GUARD CHANNEL 16/CHANNEL 9 COMMUNICATIONS To access Coast Guard Channel 16 or Channel 9 communications, press 16/9/TRI. You can access Coast Guard 16 CH instantly while tuned to another channel. Press 16/9/TRI again for Channel 9 Calling communications. Press 16/9/TRI a third time to return to the channel selected prior to accessing Coast Guard Channel 16/Channel 9 commnunications. The display will indicate the selected channel.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 14 MANUAL TUNING To manually select a channel, press CH ▲ or ▼. Communication channels are located on channel 01-28 and 60-88. MEM (Entering channel numbers into Memory Scan) You can enter channels into Memory Scan for instant scanning at any time. When a channel is selected for Memory Scan, MEM appears on the LCD display. To enter a channel into Memory Scan, select the channel you want to store by using CH ▲ and ▼, and then press MEM.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 15 TRANSMITTING Note: Channel 70 is DSC only. All the available marine channel are located on page 49. SETTING TX OUTPUT Caution: It is important to remember to use the LO position in port or for short range communications. 1. When you turn the radio On for the first time, the unit is automatically set to transmit at 25 watts (HI). 2. Press HI/LO to change the transmitter output to 1 watt (LO). 3. Press HI/LO again to change back to 25 watts (HI).
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 16 DISTRESS Note: You must set the user MMSI in order to send a Distress call. Please see page 42 to set the MMSI. This feature will allow you to transmit a Distress call. 1. In order to transmit a Distress call, press and hold DISTRESS for 5 seconds. 2. Repeatedly press CH ▲ or ▼ to select nature Code from FIRE, FLOODING, COLLISION, GROUNDING, CAPSIZING, SINKING, ADRIFT, ABANDONING, PIRACY/ARMED, OVERBOARD and UNDESIGNATED. 3. Press SELECT.
OCEANUS DSC/ATIS_ENG_0512 4. Note: 5/12/05 10:34 AM Page 17 When the radio receives a Distress call, the following screen appears. If the radio receives a Distress call, it will be displayed on the LCD display. An emergency alert will sound. The name will be displayed if it is the name registered in the directory. Otherwise, sender’s MMSI is displayed. Latitude, longitude, and time information will also be displayed if the GPS module is carried in the vessel that transmitted a DSC Distress call.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 18 Menu Operation 1. DIGITAL SELECTIVE CALLING (DSC) Digital Selective Calling is a process of establishing a radio call, it has been chosen by the International Maritime Organization (IMO) as an international standard for establishing VHF, MF and HF radio calls. Digital Selective Calling has also been selected as part of the Global Maritime Distress and Safety System (GMDSS).
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 19 3. Select the individual you want to contact using CH ▲ and ▼. Press SELECT to transmit the individual DSC signal. 4. WAITING appears followed by the individual you have selected, and the radio use 70 CH while transmitting. 5. When you receive the individual acknowledgment successfully, WAITING will change to COMPLETED . Both radios tune to the selected channel. You are now ready to transmit on that channel.
OCEANUS DSC/ATIS_ENG_0512 3. 5/12/05 10:34 AM Page 20 Press SELECT. The MMSI code appears, and you can now call the group members. Press SELECT to call. When you finish calling, the radio returns to the channel display screen. 1-C. ALL SHIPS 1. Press SELECT at DSC CALL (To enter DSC CALL, see page 18). INDIVIDUAL appears. 2. Press CH ▼ twice to select ALL SHIPS. 3. Press SELECT. URGENCY appears.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 21 4. Select the category of your call using CH ▲ and ▼ (URGENCY, SAFETY, EXIT). 5. Press SELECT to transmit the ALL SHIPS DSC signal. When sending either an URGENCY or SAFETY message, all radios will automatically move to channel 70 until all of the data is received. 6. After selecting URGENCY or SAFETY ALL SHIPS call is transmitted, the radio will switch to Channel 16. You should wait a few minutes before transmitting the ALL SHIPS call information.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 22 3. Press SELECT. The individual directory appears. 4. Select the name to request the individual’s position using CH ▲ and ▼. 5. Press SELECT to transmit the position request call. POS WAITING appears followed by the individual, and the radio use 70 CH while transmitting. 6. When the called vessel sends the position information, time and position appears followed by the individual. You can see the time and the position.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 23 1-E. POSITION SEND This radio has the ability to send the position of your vessel to another vessel using a VHF marine radio equipped with DSC. Note: Position send is only available when it is connected to the GPS. 1. Press SELECT at DSC CALL (To enter DSC CALL, see page 18). INDIVIDUAL appears. 2. Display POS SEND using CH ▲ and CH ▼. 3. Press SELECT. The individual directory appears. 4. Press SELECT to send your position information. 5.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 24 1-F. STANDBY The DSC STANDBY function allows the OCEANUS DSC/ATIS to answer DSC calls with the UNATTENDED message and record the calls for response at another time. When you set the radio to DSC STANDBY mode, voice traffic may still be active on any chosen channel. 1. Press SELECT at DSC CALL (To enter DSC CALL, see page 18). INDIVIDUAL appears. 2. Display STANDBY using CH ▲ and CH ▼. Then press SELECT. 3.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 25 1-G. CALL WAIT The DSC Call Waiting directory records 10 received distress calls, and records 20 individual calls that are received and not answered within 5 minutes or while the radio is set to DSC Standby. Calls will be recorded while you are busy with other communications as long as the transmitter is not keyed at the time of the call. If the call is answered within 5 minutes the call will not be recorded. When a call is recorded, a message appears.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 26 5. Press SELECT. 6. If a DISTRESS call is received in Call Wait, the following display appears. If an INDIVIDUAL call is received in Call Wait, the following display appears. At this point, you can call back any of the radios in the log. 7. Press SELECT. Received data appears. 8. Using CH ▲ and ▼ allows you to look through all of the data. If you press SELECT, the radio starts transmitting.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 27 2. SETUP 1. Press MENU to enter Menu Operation. 2. Press CH ▼ once to display SETUP, and press SELECT. SETUP has some options as follows. To exit, select EXIT. 2-A. ALARM CLOCK This feature is only available when the GPS is connected to the NMEA0183 Accessory Wires. If it is connected to the GPS, the alarms are set based on the satellite. You need to set the time previously to setting the alarm. 2-A-1.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 28 6. Select AM or PM using CH ▲ or ▼, then press SELECT. 7. A confirmation screen appears. 2-A-2. ALARM ON This feature allows you to turn the alarm ON. 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. ALARM CLOCK appears. Then, press SELECT. 3. Press SELECT again. 4. Select On. Using CH ▲ or ▼, and press SELECT. The radio returns to the channel display screen and the icon appears. 5.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 29 2-A-3. ALARM OFF This feature allows you to turn the alarm OFF. 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. ALARM CLOCK appears. 3. Press SELECT. 4. Select OF using CH ▲ or ▼, then press SELECT. 5. Press SELECT. The radio returns to the channel display screen and the icon disappears.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 30 2-B. LOCAL TIME ADJUST This feature allows you to fine tune the Local Time for any location in Europe. The feature enables you to adjust the Local time by ±1 hour. To set LOCAL TIME ADJUST 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. Display LOCAL TIME ADJUST using CH▲ and CH▼. 3. Press SELECT. The registering screen appears. You can now adjust the time for your local area using CH▲ and CH▼. 4.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 31 2-C. DAYLIGHT SAVINGS On/Off This feature enables you to select the automatic Daylight Savings clock setting. To set DAYLIGHT SAVINGS On/Off 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. Display DAYLITE SAVE using CH▲ and CH▼. 3. Press SELECT. Then press CH▲ to set DAYLIGHT SAVINGS on or CH▼ to off (the default setting is off). 4. Press SELECT. The display returns to DAYLITE SAVE screen.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 32 2-D. DIRECTORY This function will allow you to send an individual call, etc. The Directory function memorizes the name and MMSI number of 20 other vessels. The following screen will allow you to setup an alphanumeric identity as well as the corresponding MMSI number. 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. Display DIRECTORY using CH ▲ or ▼. 3. Press SELECT. The DIRECTORY menu appears. Use CH ▲ or ▼ to select the menu.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 33 2-D-1. NEW This function will allow you to enter new information into the directory. 1. Press SELECT at NEW. The registering screen appears. 2. You can now enter the person’s name. Using the number key pad on the mic, choose the alphabet. The character will be entered when SELECT or the differnft number key is pressed, and the blinking digit moves to the right. 3. After you enter the person’s name, you can enter their MMSI number.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 34 2-D-2. EDIT If you want to edit the DIRECTORY 1. Press SELECT at the individual you want to edit. 2. EDIT appears, then press SELECT. 3. You can now edit the person’s name. Using the number key pad on the mic choose the alphabet. 4. After you edit the person’s name, you can edit the MMSI. The number will be entered when SELECT or the different number key is pressed, and the blinking digit moves to the right. 5.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 35 2-D-3. DELETE If you want to delete the directory 1. Press SELECT at the individual you want to delete. 2. Press CH ▼ once. DELETE appears, then press SELECT. 3. The radio displays the next individual. If no more code remains, EXIT appears.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 36 2-E. AUTO CHANNEL SWITCH This feature is to allow you to disable the automatic channel change that happens when receiving a DSC call. This feature is useful when engaged in bridge – to – bridge or other safety related calls. When you have completed these calls, all of the incoming DSC calls received are available in the call log. 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. Display AUTO CH SW using CH ▲ and ▼. 3.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 37 2-F. POSITION REPLY When the calling radio has requested the position information of your radio, you can decide to transmit an acknowledgment automatically or on a call by call basis. 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. Display POS REPLY using CH ▲ and ▼. 3. Press SELECT to enter the setting mode. 4. Press CH ▲ or ▼ to make your selection.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 38 Example: On When the radio receives a position request, the following screen appears. Example: OF When the radio receives a position request, the following screen appears. You can select whether reply the request or not. If you wants to reply press SELECT. 5. Press SELECT. The radio returns to the POS REPLY screen.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 39 2-G. CH TAG This feature allows you to name each marine channel. 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. Display CH TAG using CH ▲ and ▼. 3. Press SELECT. The channels and its names appear. 4. Press CH ▲ and ▼ repeatedly to select the channel that you would like to EDIT. Note: The OCEANUS DSC/ATIS radio comes pre-programmed with default channel names.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 40 2-G-1. EDIT If you want to edit the channel name 1. Press SELECT at the individual channel you want to edit. 2. You can edit the name. Using the number key pad on the mic select the alphabet, numeric, or symbols. The character will be entered when SELECT or the differnft number key is pressed, and the blinking digit moves to the right. 3. Press and hold SELECT when you enter the last digit.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 41 2-H. GROUP MMSI 1. Press SELECT at SETUP (To enter SETUP, see page 27). 2. Display GROUP MMSI using CH ▲ and ▼. 3. Press SELECT. The group MMSI ID screen appears. 4. You can now enter the GROUP MMSI code. Use the number key pad on the mic to display the number. The number will be entered when SELECT or the different number key is pressed, and the blinking digit moves to the right. 5.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 42 2-I. USER MMSI MMSI’s are issued most of the time by National Telecommunication Organisations. You will need to obtain a nine digit MMSI number and program it into the OCEANUS DSC/ATIS. The information obtained from the application is useful for the Coast Guard to help in search and rescue operations. To obtain an MMSI number contact your national marine or telecom authority.
OCEANUS DSC/ATIS_ENG_0512 5. Note: 5/12/05 10:34 AM Page 43 After the final digit is entered, press and hold SELECT. The radio returns to USER MMSI screen. You can only program your radio once with an MMSI number. After that, send your radio to Uniden Dealer for factory service. 2-J. ATIS ID ATIS is the automatic transmitter identification system. The ATIS ID is composed by number of 10 digits, and it is already registered to your radio.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 44 3. SYSTEM 1. Press MENU to enter Menu Operation. 2. Press CH ▼ twice to display SYSTEM, and press SELECT. SYSTEM has 3 options as follows. To exit, select EXIT. 3-A. CONTRAST 1. Press SELECT at SYSTEM. CONTRAST appears. 2. Press SELECT to enter the setting mode. (Default is set at 7). 3. Press CH ▲ and ▼ to increase or decrease the contrast level. 4. When you find the most favorable brightness, press SELECT.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 45 3-B. LAMP ADJUST 1. Press SELECT at SYSTEM. (To enter SYSTEM, see page 44.) 2. Press CH ▼ once to select LAMP ADJUST. 3. Press SELECT to enter the setting mode. (Default is set at 3). 4. Press CH ▲ and ▼ to select the backlight brightness level. 5. When you find the most favorable brightness, press the SELECT. The radio returns to the LAMP ADJUST screen. Note: The backlight settings are off, Level 1 Dim, Level 2 medium, and Level 3 bright.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 46 3-C. KEY BEEP 1. Press SELECT at SYSTEM. (To enter SYSTEM, see page 44.) 2. Press CH ▼ twice to select KEY BEEP. 3. Press SELECT to enter the setting mode. 4. Press CH ▲ or ▼ to select ON or OFF. 5. Press SELECT. The radio returns to the KEY BEEP screen.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 47 Switching the Inland Waterway Mode/Seagoing Mode You can switch between Inland Waterway mode and Seagoing mode. Press and hold PA/MODE to switch between the two. When the radio in the Inland Waterway mode; DISTRESS/DSC cannot be transmitted nor received. Only ATIS can be transmitted. WX blinks. When the radio in the Seagoing mode; Transmission and reception of DISTRESS/DSC, and transmission of ATIS can be available.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 48 NMEA Technical Setup OCEANUS NMEA0183 GPS Input Connection Specification This section is useful when attaching an external GPS to the OCEANUS DSC/ATIS radio. Many GPS units have a setup menu to be able to configure the NMEA0183 serial data output. This output can be used to supply information to other devices on the vessel, such as the OCEANUS DSC/ATIS VHF radio, auto pilots, chart plotters, etc.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 49 VHF FM Marine Radio Telephone Channel and Functions (International Channels) CHANNEL DESIG 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 FREQUENCY (MHz) TRANSMIT RECEIVE 156.050 156.100 156.150 156.200 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 156.700 156.750 156.800 156.850 156.900 156.950 157.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 50 Specification General Controls Status Indicators Channel Display Buttons Connectors Size Weight Supply Voltage Standard Accessories Antenna Impedance Microphone Speaker Operating Temperature Range Shock and Vibration Transmitter Power Output Power Requirement Modulation Hum and Noise Signal-to-Noise : On-Off/Volume, Squelch : TX (Transmit), TRI (Triple Watch), HI (High), LO (Low), U, C, I, MEM, WX, DSC, (Alarm), (GPS), and Channel Display : LCD with O
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 51 Troubleshooting If the OCEANUS DSC/ATIS does not perform to your expectations, try the suggestions listed below. If you cannot get satisfactory results contact your nearest Uniden Marine dealer. SYMPTOM Won’t power On. CAUSE No or low voltage. REMEDY Check for proper voltage getting to the set. When the PTT is pressed - Tx icon comes on and another radio can hear a “click” but no audio is heard. Bad mic element. Send in for repair.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 52 Care and Maintenance Your OCEANUS DSC/ATIS is a precision of electronic equipment and you should treat it accordingly. Due to the rugged design, very little maintenance is required. However, a few precautions should be observed: • If the antenna has been damaged, you should not transmit except in the case of an emergency. A defective antenna may cause damage to your radio.
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM 53 Page 53
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page b
