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Table of Contents
Summary of Contents for NASA MARINE SX 35 DSC
- Page 1 SX 35 DSC OWNER’S HANDBOOK...
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Page 3: Declaration Of Conformity
EMCCert Dr. Rasek of Boelwiese 5, 91320 Ebermannstadt, Germany. The Technical Construction File is held by Mr. Alan Mully at NASA MARINE LTD. Boulton Road Stevenage, Herts, SG1 4QG England Telephone +44(0)1438 354033 Telefax +44(0)1438 741498 Alan Mully-Director-NASA MARINE Ltd. 0678 SX 35 DSC... - Page 4 Your NASA SX35 DSC VHF radio generates and radiates radio frequency (RF) elec- tromagnetic energy (EME). This equipment must be installed and operated in accordance with the instructions contained in this hand- book.
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Page 5: Table Of Contents
TABLE OF CONTENTS DECLARATION OF CONFORMITY ............1 GENERAL INFORMATION ................5 Introduction ....................5 LICENSE INFORMATION ................6 United Kingdom ................... 6 Digital Selective Calling (DSC) Capability ..........7 Required License Information ..............7 Equipment Required ..................7 Equipment Supplied ..................7 Optional Equipment .................. - Page 6 Memory Scan ....................20 Menu Functions ................... 21 Main Menu Topics ..................22 Directory ....................22 Lamp ......................25 Contrast ....................26 Data Set ....................26 MMSID Set ..................... 29 Time Set ....................30 NMEA Set ....................31 DSC OPERATION ................... 32 MMSID ......................
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Page 7: General Information
GENERAL INFORMATION Congratulations on your purchase of the SX 35 DSC. It is an advanced ma- rine VHF communication transceiver offering Digital Selective Calling, an easy to use four line LCD display, and a separate Channel 70 receiver. NOTICE Unauthorized changes or modifications to this equipment may void com- pliance with Regulatory Agency Type Acceptance. -
Page 8: License Information
LICENSE INFORMATION Your SX 35 DSC complies with European Standard EN-301 025-1 v1.1.2. Users must know and comply with all applicable rules and regulations for the country or countries having jurisdiction over waters where your trans- ceiver is operated. Depending upon national regulations, a station license may be required for a VHF transceiver and an operator license or permit may be required for an individual to operate a VHF transceiver. -
Page 9: Digital Selective Calling (Dsc) Capability
Digital Selective Calling (DSC) Capability You must obtain a nine-digit maritime mobile service identity (MMSI) and program it into the unit before you transmit. To obtain an MMSI, you will be asked to provide certain information about your ship. It is important that you obtain an MMSI because National Coast Guards and other search and rescue (SAR) agencies use this information to help speed search and rescue operations. -
Page 10: Basic Radio Communication Procedures
BASIC RADIO COMMUNICATION PROCEDURES Distress or emergency calls may be made either manually or automatically. Sending distress calls automatically uses the Digital Selective Calling (DSC) functions of your transceiver and requires an operating and properly con- nected navigation receiver. The following procedures are for sending voice distress messages manually. -
Page 11: Calling Another Vessel
Calling Another Vessel Channel 16 may be used to establish initial contact with another vessel. However, its most important use is for voice emergency messages. Chan- nel 16 must be monitored at all times except when engaged in actual com- munication on another channel. -
Page 12: Prohibited Communication
Call the marine operator and identify yourself with your vessel’s name. Normally you contact a marine operator on their working channel rather than making initial contact on Channel 16. The marine operator will ask for your intentions and establish a payment method for the call (collect, credit card, etc.). -
Page 13: Installation
INSTALLATION Transceiver Your SX 35 DSC Transceiver is designed to withstand the rigors of the ma- rine environment. However, selecting a mounting location affording some protection from the elements will prolong the life of connectors, controls and the liquid crystal display (LCD). Select a location within easy reach and view of the operator and away from your vessel’s compass. -
Page 14: Nmea Cable
NMEA Cable In order for the position reporting features of your SX 35 DSC transceiver to function, an operating GPS navigation receiver must be connected to your transceiver. The supplied data cable plugs into the 8 pin connector on the transceiver’s rear panel and the other end connects to the NMEA data out- put from your GPS navigation receiver. -
Page 15: Operation
OPERATION General Your SX 35 DSC is an advanced marine VHF communication transceiver offering the safety and convenience of Digital Selective Calling in addition to all the useful features found in the best conventional VHF radios. Display and Controls The transceiver is operated using the front panel controls, the keypad, the Push To Talk (PTT) button and a keypad on the microphone. -
Page 16: Basic Operation
Basic Operation Power On/Off Power to the transceiver is controlled with the VOLume knob. When the VOL knob is in the full CCW position the unit is turned Off. To turn the transceiver On: • Rotate the VOL knob CW until it clicks over the detent. The LCD back- light illuminates and the Power-On screen appears. -
Page 17: Channel Selection
To properly set the VOL and SQ controls: • Rotate the SQ control fully CCW. • Rotate the VOL control CW until background noise is plainly heard. • Slowly rotate the SQ control CW until the noise is muted (squelched). Then adjust the control slightly more CW (approximately 1/8 turn). -
Page 18: Keypad, Microphone
Opens menus to select optional settings to personalize your MENU transceiver’s operation. Use to toggle transmitter power between 25 watts and 1 watt out- HI/LO put. Certain channels are restricted to 1 watt maximum power and will cause the error beep if the HI/LO key is pressed. Cancels DSC calls and Emergency/Distress calls. -
Page 19: Operating Procedures
OPERATING PROCEDURES Primary Calling Channel VHF Channel 16 (156.8 MHz) is the Distress Safety and Primary Calling Channel. All vessels, not actively engaged in communication, are required to maintain a listening watch on Channel 16. Transmitting The transmitter is activated, for normal voice communications, by pressing the Push To Talk (PTT) button on the microphone. -
Page 20: Working Channel Recall
Working Channel Recall Rather than using the SELECT knob or microphone keys to change chan- nels, this feature allows quick switching between the last working channel and the current primary channel. To quickly switch between the last working channel and the Primary Call- ing Channel: •... -
Page 21: Priority Scan
Priority Scan The Priority Scan function scans the Primary Calling Channel and the last selected working channel. To select Priority Scan: • Press the key. PSCAN appears in the upper line of the display SCAN and the two scanned channel numbers appear alternately in the dis- play. -
Page 22: Memory Scan
Memory Scan Memory Scan allows the user to create and scan a bank of preferred chan- nels. Channels may be added to or removed from the memory channel bank as desired. Memory channels are stored individually and may be de- leted individually, or the entire bank may be deleted. -
Page 23: Menu Functions
To remove channels from the memory channel bank: • Press the key. The Memory Scan channels appear in the display. • Rotate the SELECT knob or use microphone keys to select a displayed channel. • Press and hold the key for about two seconds. The selected chan- nel is deleted and the channel number is removed from the memory channel bank. -
Page 24: Main Menu Topics
To select a topic in the menu list: > • Rotate the SELECT knob to move the cursor to the desired topic. There are more topics than can be displayed at one time, so the list scrolls as the cursor is advanced beyond the top or bottom of the list. MMSID SET TIME SET NMEA SET... - Page 25 • Press the key. The DIRECTORY NAME/ID screen appears with a blinking cursor next to the name line. DIRECTORY NAME/ID ≥ Name and ID Screen • Press the key to move the cursor to the first character of the name line. SPECIAL NOTE Characters are entered in the name and ID fields using either the SELECT knob or the microphone keys.
- Page 26 • If using the SELECT knob, press the key after each char- acter is selected to enter the character and advance the cursor to the next character position. • If using the microphone keys, press the appropriate key repeatedly un- til the desired character is displayed at the cursor position.
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Page 27: Lamp
• Use the SELECT knob to move the cursor to the entry name for edit- ing. • Press the key. The DIRECTORY NAME/ID screen appears pre- senting the name and MMSID for the selected directory entry. The blink- ing cursor is positioned at the start of the entry’s name. •... -
Page 28: Contrast
Brightness Control • Use the SELECT knob or microphone keys 0~3 to change the setting. • Press the key to store the setting and exit. MENU CONTRAST Allows adjustment of LCD display contrast for best readability in varying lighting conditions. •... - Page 29 ≥LLPOSITION TIME/DATE SOG/COG MANUAL LL Data Set Selections • Use the SELECT knob or to select either LLPOSITION, EXIT TIME/DATE or SOG/COG. MANUAL LL is described separately. • Press the key. The On/Off option is displayed. • Use the SELECT knob or any microphone key to select either On or Off.
- Page 30 • Press the key. The MANUAL LL menu appears in the display. MANUAL LL >SET Manual LL Menu • Use the SELECT knob to select SET on the menu. • Press the key. The SET LL/TIME screen appears. SET LL/TIME ≥N °...
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Page 31: Mmsid Set
• Use the SELECT knob or the microphone keys 0~9 to enter the correct Longitude value in degrees and minutes. When Longitude is complete, the cursor moves to the Time entry line. • Press to move the blinking cursor to the first character in the Time entry. -
Page 32: Time Set
• Use the SELECT knob to position the cursor on the MMSID SET topic. • Press the key. The MMSID TYPE menu appears in the display. MMSID TYPE ≥SHIP ID GROUP ID MMSID Type Select • Use the SELECT knob to select SHIP ID on the menu. •... -
Page 33: Nmea Set
• Use the SELECT knob to position the cursor on the TIME SET topic. • Press the key. The TIME FORMAT menu appears in the display. TIME FORMAT >12 HR. 24 HR. 88:88 Format Selection • Use the SELECT knob to select the desired format, either 12 HR or 24 •... -
Page 34: Dsc Operation
DSC OPERATION The Digital Selective Calling (DSC) functions of your SX 35 DSC transceiver add convenience and safety to your VHF communication capability. DSC allows you to contact other DSC equipped vessels and shore stations by selecting their names from your personal call directory, choosing a call type, and pressing a key. -
Page 35: Sending A Distress Call
Sending a Distress Call To make a distress call: • Lift the red protective cover, then press and release the red button. The distress alert screen appears. DISTRESS! ≥Undesign- ated. HOLD 3 SEC. Distress Alert Screen • If time permits, use the SELECT knob to select the nature of distress. Otherwise, hold the red button (as soon as the button is pressed again, an intermittent acoustic alarm is sounded and the distress alert screen flashes until the DISTRESS is sent automatically, in about 3 seconds). - Page 36 SENDING DISTRESS! CALLING. Sending Distress Call • The following screen appears indicating your distress message has been transmitted. DISTRESS! PRESS END TO CANCEL. WAITING..Distress Call Sent The DSC distress message is automatically sent on channel 70 and your transceiver is automatically set to Channel 16 in order to listen for, and re- spond to, voice replies from SAR authorities or other vessels which may have received your distress call.
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Page 37: Receiving Distress Calls
DISTRESS! CANCELED. CoastSta ID ACK RECEIVE Distress Acknowledged • Establish voice contact with the coast station on Channel 16. Receiving Distress Calls Your SX 35 DSC transceiver may intercept distress messages sent by an- other vessel and/or acknowledgments (ACK) sent by a coast station to an- other vessel in distress. -
Page 38: Distress Ack Sent To Another Vessel
Distress ACK sent to another vessel If your SX 35 DSC transceiver intercepts a distress ACK from a coast sta- tion, an alarm sounds and the following screen appears in the display. 21:45 UTC Name or ID of ID998765432 Coast Station N 29°06. -
Page 39: Normal Dsc Calls
EPRIB Emission. Name or ID of ID123456789 Vessel in Distress 04 RELAY Distress Relay, page 2 The distressed vessel’s MMSID and RELAY call type appear on the second page. Your vessel does not re-send a distress relay message. Normal DSC Calls Your SX 35 DSC can transmit four types of DSC calls;... - Page 40 To make a directory call: • Press the key. The DSC calling menu appears in the display. CALL • Use the SELECT knob to select the DIRECTORY topic. LAST CALL >DIRECTORY ALL SHIP'S INDIVIDUAL DSC Directory • Press the key. The directory list appears in the display. CALL •...
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Page 41: Manual Call
16 PRI. vessel name >ROUTINE ACK RECEIVE Acknowledge Received • Press the PTT button on the microphone to silence the alert and begin voice communication with the called vessel. • key may be used to exit the DSC calling procedure at any time prior to sending the call. -
Page 42: All Ships Call
• Press the key. The blinking cursor moves to the first digit in the MMSID entry field. The last used manual MMSID is displayed. • Use the SELECT knob or microphone keys to change the MMSID for the vessel or station to call. •... - Page 43 • Use the SELECT knob to select the ALL SHIP’S topic. LAST CALL DIRECTORY >ALL SHIP'S INDIVIDUAL DSC All Ship’s Call • Press the key. The CALL TYPE menu appears in the display. CALL CALL TYPE ≥URGENT SAFETY PRESS CALL. DSC Call Type •...
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Page 44: Group Call
• Your transceiver is automatically set to Channel 16. Listen for voice replies from vessels which have received your call. There is no DSC ACK reply to confirm that your call was received. • Use the PTT button to continue voice communication. The Normal Communication screen appears in the display. -
Page 45: Receiving Dsc Calls
• Press the key. The call is sent and WAITING ..appears in the CALL lower line of the display. • Your transceiver is automatically set to the previously set working chan- nel. Listen for voice replies from vessels which have received your call. There is no DSC ACK reply to confirm that your call was received. - Page 46 For Individual Routine calls the following screen alternates with the Call Received screen. 09:53 name or ID PRESS CALL 16 TO ACK! Routine ACK Screen • Press the key to acknowledge the call. The sender should re- CALL spond to your ACK with voice communication. If not, you may initiate voice communication.
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Page 47: Last Call Received
Last Call Received Replies to incoming calls are made using the call log. The call log holds thirty two entries and the last call received is on top of the list. When the thirty third call is received, the oldest entry is lost. Making DSC calls from the call log is the like making calls from the DSC calling directory. -
Page 48: All Ships Call Received
All Ships Call Received An All Ship’s call is received from other vessels or coast stations within VHF range of the transmitter. All Ship’s calls present Urgent or Safety in- formation important to all vessels in the area. When an All Ship’s call is received, an alert sounds and one of the following screens appear in the display. -
Page 49: Reference
REFERENCE Maintenance The SX 35 DSC VHF transceiver is produced with proven processes and current solid state technology. With reasonable care, your SX 35 DSC will have a long useful life. The following precautions will prevent damage to the transceiver. •... -
Page 50: Troubleshooting
Troubleshooting , e l t l i , e l i t s . l e . e l . e l t t i t t i t i s t i s t i s SX 35 DSC... -
Page 51: Specifications
Specifications SX DSC 35 Technical Specifications GENERAL Compliance: Meets EU specification EN301-025 V1.1.2 (August 2000), Radio Regulations Appen- dix 18, and DSC Class D/SC-101. Number of Channels: All available INT’L (per Appendix 18 plus M & M2 for UK). Externally FLASH pro- grammable for various Country Require- ments. - Page 52 External Connections: Jack for External Speaker & 8 pin COM con- nector. Watch Receiver: Separate CH70 watch receiver included. Decoding performance is less than 10 error rate with 0dB V input signal level. CPU: High-speed 8 bit RISC microprocessor with features/channels externally FLASH pro- grammable.
- Page 53 Alarm Tones: 3 different tone sequences are provided. Frequency Control Method: Phased Locked Loop (PLL). Frequency Stability: +/-5 PPM for both the Transmitter/Re- ceiver. GPS/NMEA: $GPRMC sentence is decoded. NMEA Checksum can be turned Off/On. GPS Display: Data is selected from following: •...
- Page 54 TRANSMITTER Power Output: 25 Watts or 1 Watt switchable. Tx Current: 6 Amps @ 25W Tx. 1 Amp @ 1W Tx. Modulation: G3E for Voice, G3B for DSC Data. Transmit Frequencies: 156.025Mhz - 157.425Mhz @ 25Khz spacing. Spurious/Harmonic Emissions: Less than 0.25 W. Modulation Distortion: Less than 4% @ 1Khz for +/-3Khz devia- tion.
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Page 55: Channel Assignments
Channel Assignments The Channel Assignment tables on the following pages list the channel num- ber, frequency and usage for Marine VHF communication as published by the Radiocommunications Agency. Depending upon your selection, certain channels may be either simplex (single frequency) or duplex (two frequency) as indicated in the tables. On simplex channels, your transceiver transmits and receives on the same frequency. - Page 56 Use of International Mobile Maritime VHF Channels Table 1 of 2 t t i SX 35 DSC...
- Page 57 Use of International Mobile Maritime VHF Channels Table 2 of 2 t t i c i l SX 35 DSC...
- Page 58 Use of International Mobile Maritime VHF Channels Notes Notes: Channel 06 may also be used for communications between ship stations and aircraft engaged in coordinated search and rescue operations. Ship stations shall avoid harmful interference to such communications on channel 06 as well as to communications be- tween aircraft stations, ice breakers and assisted ships during ice seasons.