Silva s15 Operation Manual Download Page 14

Operation Manual 

  S15

 

 

Page 

13

5.   Receiving A DSC Call 

 
When a DSC call is received, the radio will switch to the call log screen to 
display the details of the call and ring or sound the alarm depending on 
the nature of the call. The procedures that follow describe how to handle 
the types of calls that can be received. 
 

5.1  ROUTINE CALLS 

 
When a Routine call is received, the screen will show the details of the 
call, where it is from and working channel as follows. Also an alarm will 
sound. 
 
 
 
 
 
 
 
 
Press the 

(ENT)

 key on the fist/mike keypad, an acknowledgement will 

be sent to caller and the radio will be automatically switched to working 
channel for normal voice communication. The “*” will disappear when the 
call has been acknowledged. 
 
When looking back at routine call logs, if there is a “*” symbol on the 
screen, you can press 

(ENT)

 key to send an acknowledgement. After 

acknowledgement, the “*” will disappear. 

 

5.2  URGENCY AND SAFETY CALLS 

 
The procedures for urgency and Safety calls are very similar. An urgency 
call will sound the distress alarm and switch the radio to Channel 16. A 
safety call will sound a normal ring and switch the radio to the specified 
working channel as follows: 
 

Summary of Contents for s15

Page 1: ...VHF DSC S15 CLASSE D DSC NAVTEX GPS ...

Page 2: ...gh Low RF Output Power Selection 10 4 5 Squelch Control 11 4 6 Volume Control 11 4 7 Channel 16 12 4 8 Channel Select 12 4 9 Memory Channel Select 12 5 Receiving A DSC Call 13 5 1 Routine Calls 13 5 2 Urgency And Safety Calls 13 5 3 Group Calls 14 5 4 Distress Alert 14 6 Sending A DSC Call 16 6 1 Distress Calls 16 6 2 Routine Calls 17 6 3 Urgency And Safety Calls 18 6 4 Group Calls 19 7 Log View 2...

Page 3: ...ection 33 10 2 Message Selection 34 10 3 Clear All NAVTEX Logs 34 11 GPS Navigation Setting 36 11 1 Set Waypoint Number Go To Waypoint 36 11 2 Set Waypoint 37 11 3 Review Waypoint 38 11 4 Navigation View 38 11 5 Insert Waypoint 40 11 6 Delete Waypoint 41 12 Technical Specifications 42 12 1 Receiver 42 12 2 Channel 70 Monitor General Specification 43 12 3 Transmitter 43 12 4 NAVTEX 43 12 5 GPS 43 1...

Page 4: ... using channel 16 Should a distress urgency or safety situation occur with the S15 you can quickly raise an alert indicating your identity your position and automatically establish distress communication on the emergency voice channel The S15 will display received NAVTEX messages and the ID of received messages from the NAVTEX receiver NAVTEX is a worldwide coastal telex broadcast system The broad...

Page 5: ...OLUME CONTROL MODE SELECTION KEY VOL 6 FUNCTION SELECT KEY F Press this key once to enter the function selection mode the LCD will display the function menu The selectable functions are DUAL WATCH FULL SCAN MEMORY SCAN H L high low POWER and DIM Press the F key again to confirm and change to selected function screen 7 DOWN KEY Selects the desired channel squelch control level or volume control lev...

Page 6: ...ing loaded cover that must be lifted before the button can be pressed 13 FIST MICROPHONE CONTROLLER CORD 2 2 Back 1 POWER CORD CONNECTOR 2 GPS NAVTEX EXTERNAL SPEAKER CONNECTOR 3 ANTENNA CONNECTOR 4 VENTILATION HOLE Should mist be discovered on the inside of the LCD Display remove this screw and ventilate the unit until the mist is cleared Upon completion the screw should be fully tightened to pre...

Page 7: ...is 25W Lo Indicates TX maximum output power is 1W GROUP 3 S Indicates the displayed channel is a simplex channel D Indicates the displayed channel is a duplex channel GROUP 4 I Indicates the international channels are selected K Indicates the international channels with added channel M1 and M2 are selected GROUP 5 DW Indicates dual watch scanning operation FS Scans every channel of current channel...

Page 8: ...hone style keypad ITU 0 9 A Z is used for entering numeric data When required the keys will automatically switch to character mode allowing letters numbers and punctuation characters to be entered Repeatedly pressing a key will cycle through the characters available on that key 1 press A D G J M P T W 0 2 press B E H K N Q U X 3 press C F I L O R V Y 4 press S Z 5 press 1 2 3 4 5 6 7 8 9 0 ...

Page 9: ...the last screen Key Moves the cursor position when setting KEY Use to select working channel Up or Down Can also be used to select stored working channels Allows viewing of next or previous message and selection next or previous item PTT BUTTON Keys the transmitter allowing you to transmit a message CALL KEY Activates CALL menu ...

Page 10: ...e or key to move the symbol on the screen to the required function DUAL WATCH or FULL SCAN or MEMORY SCAN or H L POWER and DIM then press F key confirm Dual watch Full Scan Memory Scan H L Power or DIM can be selected the relevant screen will be displayed Press F key again to restore normal operation and press CLR key to change to main screen 4 1 DUAL WATCH DW Dual watch enables the radio to scan ...

Page 11: ...bottom line of LCD Note that the radio will not transmit nor will alternative channels be able to be selected while in Full Scan mode To restore normal operation press F key or press channel CH16 key to go to back to VHF screen 4 3 MEMORY SCAN MS The Memory Scan operates in the same way as the Full Scan except that it will only scan channels that have been entered into the Scan Memory If no channe...

Page 12: ... appear at the right side of the screen as follows To cut out weaker signals press key to increase the squelch until the background interference noise disappears To receive weaker signals press key to decrease the squelch 4 6 VOLUME CONTROL VOL Press the VOL key on the front panel the volume control screen will be displayed The level Bar and character Vl will appear on the right side of the screen...

Page 13: ...Select the desired channel directly from the main screen by pressing the channel number on the fist microphone controller and then press ENT to confirm 4 9 MEMORY CHANNEL SETTING M Pressing the M key will add the currently selected channel into the scan memory When operating in VHF receiver mode if the key is pressed the screen will show M on the bottom right of the LCD indicating that the channel...

Page 14: ...sound Press the ENT key on the fist mike keypad an acknowledgement will be sent to caller and the radio will be automatically switched to working channel for normal voice communication The will disappear when the call has been acknowledged When looking back at routine call logs if there is a symbol on the screen you can press ENT key to send an acknowledgement After acknowledgement the will disapp...

Page 15: ...ey to stop the alarm then listen for the voice message or speak 5 4 DISTRESS ALERT If a Distress Alert or a Distress Relay is received from another vessel an alarm will sound and the Radio will switch to channel 16 The screen will show the details of the Distress Alert or Distress Relay the MMSI of the vessel the nature of the distress it s position and time Mute the alarm by pressing ENT key and ...

Page 16: ...Operation Manual S15 Page 15 ...

Page 17: ...al radio communications authority For the group call the group ID will need to be entered also 6 1 DISTRESS ALERT THIS CALL SHOULD ONLY BE MADE IF THE VESSEL IS IN A DISTRESS SITUATION AND LIFE IS IN DANGER Making a Distress Alert call is very simple Lift the protective cover and press DIST key on the front panel The Distress Alert screen will be displayed as follows If time permits press the or k...

Page 18: ...n acknowledgement is received or CLR key is pressed it is not recommended that the Distress Alert is cancelled manually by pressing CLR key unless you are requested to do so by the rescue authorities While the Distress Alert remains active an intermittent alarm will continue to sound approximately once every 25 seconds When an acknowledgement is received from the Rescue Co ordination Centre this w...

Page 19: ...ll Then the radio will change to following screen and wait for a reply When a reply is received it will sound a tone and automatically set to the specified working channel A voice call can then be made in the normal way 6 3 URGENCY CALL AND SAFETY CALL Press CALL key on the fist microphone controller keypad to select safety call or urgency call as follows respectively Press the ENT key the screen ...

Page 20: ... 4 GROUP CALL If a group ID has been set up for the called Radio A call can be made to other members of the group Press the CALL key on the keypad to select the group call screen as follows Select a working channel from the channel list by pressing the or keys on the keypad Press ENT key to send the call allow a few seconds for the other members of the group to reach the radios all VHF radios in t...

Page 21: ... then press ENT key to confirm the LOG VIEW screen will appear on the display as follows 7 1 REVIEW ROUTINE LOG The routine log can be used to look back through the last 20 calls that have been received the most recent call first Press or key to move the symbol on the LOG REVIEW screen to front of ROUTINE LOG then press ENT key to confirm the VHF ROUTINE LOG screen will appear on the display If no...

Page 22: ...LR key to exit from the VHF ROUTINE LOG screen and go back to the LOG VIEW screen 7 2 REVIEW DISTRESS LOG The distress log can be used to look back through the previous 20 distress calls that have been received the most recent call first Press or key to move the symbol on the LOG VIEW screen to front of DISTRESS LOG then press ENT key to access distress log ...

Page 23: ...he last screen If messages have been received the screen will be as follows Use the or key to move back and forward through the distress log The distress message screen is as follows 7 3 VIEW NAVTEX MESSAGE Press or key to move the symbol on the LOG VIEW in front of NAVTEX MESSAGE then press ENT key to enter into the message identification list screen as follows ...

Page 24: ... type message The list can store the previous 60 message identifications that have been received the most recent first Press or key to move the symbol on the screen in front of the message identification you wish to select then press ENT key to enter into NAVTEX message screen as follows The character 1 indicates the page number of the message Press or key to show and read the front page or the ne...

Page 25: ... and press ENT to obtain the following screen Then press to adjust the brightness of backlight There are 5 levels of brightness Press ENT for confirmation and to exit 8 2 CONTRAST ADJUSTMENT Using on the microphone to select CONTRAST and press ENT to obtain the following screen Then press to adjust the contrast of the screen There are five levels of contrast Press ENT for confirmation and to exit ...

Page 26: ...ss to select internal external or both speaker Press ENT for confirmation and exit 8 4 TONE SELECTION Using to select BEEP and press ENT to obtain the following screen Then press to select enable or disable the BEEP tone function for the keypad button press and the notifying sound of NAVTEX message received Press ENT for confirmation and to exit ...

Page 27: ...made use the or key to move back and edit the error Then press ENT key the Radio will ask for verification as follows It is important that the MMSI entered is checked carefully as it can only be entered once and if a wrong MMSI is entered it must be returned to an authorised dealer to erase the MMSI from the memory If sure press ENT key once again to confirm the entered MMSI the screen will show t...

Page 28: ...ow Press CLR key on the mike keypad to go back to DSC SETTING screen or press CLR key on the front panel to go back to main screen To change the MMSI number after it has been programmed the unit must be returned to an authorised dealer to erase the existing number 9 2 SET GROUP ID To enter a Group ID if for example the vessel is part of a flotilla or fishing fleet etc press or key to move the symb...

Page 29: ... verification If sure press ENT key once again to confirm the entered numbers If no press CLR key to go back to last screen 9 3 SET DATE AND TIME Press or key to move the symbol on the DSC SETTING screen in front of DATE TIME then press ENT key the SET DATE TIME screen will appear Use the numeric keys to enter the numbers then press ENT key to accept the date and time Note that the time should be ...

Page 30: ...sition update either manually or from the NMEA input then the position data will disappear from the screen and it will show NO POSITION 9 5 SET CALLED CHANNEL The Radio includes a list of 9 working channels which can be scrolled through when using the routine group calling The first four channels are preset as 06 08 72 and 77 These cannot be amended The remaining five channels are programmable Alw...

Page 31: ...ter the WORK CHANNEL ADD screen as follows Press or key to change the selected channel and press ENT key to accept Then press or key to enter next channel Press or key to move the symbol on the WORK CHANNEL screen in front of DEL then press ENT to accept The WORK CHANNEL screen appears as follows ...

Page 32: ...e recalled in the routine call screen Press or key to move the symbol on the DSC SETTING screen in front of DIRECTORY then press ENT key the DIRECTORY screen appears as follows To access a new entry press or to move symbol on the screen in front of ADD then press ENT key to enter DIRECTORY ADD screen as follows Use the numeric soft keys to enter a name and number and use the or keys to move backwa...

Page 33: ...the number of the entry Then press ENT key Use the or key to move along the name and MMSI fields using the soft numeric keypad to edit the data Press ENT to store the information To delete an entry press or key to move symbol on the DIRECORY in front of DEL then press ENT key to enter DIRECTORY DEL screen as follows Use the or key to select the number you want to delete then press ENT key to delet...

Page 34: ...in front of NAVTEX SETTING and press ENT key to enter the NAVTEX SELECTION screen as follows Press or key again to move the symbol on the screen in front of STATION SELECTION then press ENT key the STATION SELECTION screen will appear on the display as follows Press or to move the symbol on the screen in front of the station that you want to select then press or key to set the this station to RECE...

Page 35: ...hen press or key to set the this message category to RECEIVE or IGNORE Press ENT key to confirm and revert to the previous screen or press CLR on first mic to cancel When you change RECEIVE into IGNORE for message A B D or L the following confirmatory screen will appear on the display as follows 10 3 CLEAR ALL NAVTEX If want to clear all NAVTEX log messages press or key to move the symbol on the s...

Page 36: ...Operation Manual S15 Page 35 If YES press ENT ALL messages will be clear and go back to NATEX SELECTION screen ...

Page 37: ...for confirm then GPS NAVIGATION setting screen will appear as follows 11 1 Set Waypoint Number Press or key again to move the symbol on the screen in front of SET WAYPOINT NUMBER then press ENT key for confirm The SET WAYPOINT NUMBER screen will appear as below Press or key to move the cursor on the screen then use the numeric key to enter the waypoint number Then press ENT key to confirm and retu...

Page 38: ... on the GPS NAVIGATION setting screen to the front of SET WAYPOINT then press ENT to confirm The SET WAYPOINT screen will appear as below With this function you can enter the positions that you want to approach and the position of your destination You can then display the distance bearing and speed from your current position to the destination Please note that you cannot input the waypoints more t...

Page 39: ... indicate that there are more waypoints at the front or back of the page Use or key to review them continuously The waypoint with symbol is the current waypoint When vessel passes close to this waypoint the next waypoint automatically becomes the current waypoint If you want to change a waypoint to become the current waypoint press or key on the mike keypad to move the symbol on the screen to fron...

Page 40: ... BTW Bearing To Waypoint DTW Distance To Waypoint The screen is as below When S15 is not connected to GPS antenna the point A will indicate NO GPS and the values of COG SOG BTW and DTW will show zero If the selected waypoint position is not existent or invalid the point B will indicate waypoint fail and the values of COG SOG DTW and BTW will show zero The combination of information in Navigation V...

Page 41: ...T WAYPOINT then press ENT key the INSERT WAYPOINT screen will appear on the display as below When you insert a new waypoint between waypoint 1 and waypoint 2 as an example the new waypoint will become waypoint 2 The numbers of subsequent waypoints will be moved downward sequentially Enter the inserted waypoint number then press ENT key the SET WAYPOINT screen will appear on the display as below If...

Page 42: ... of DEL WAYPOINT then press ENT KEY to confirm the DEL WAYPOINT screen will appear on the display as below Enter the waypoint number you want to delete then press ENT key to confirm Press ENT key to delete the Longitude and Latitude and Name of the waypoint After deleted the screen will ask Are You Sure If you press ENT again the data will be erased forever This screen will appear as below ...

Page 43: ...a dual conversion super heterodyne design 2 Tuning frequency range 156 025 163 275MHz 3 IF frequency used 21 4MHz 455KHz 4 Maximum useable sensitivity 6dBµe m f of 20dB SINAD 5 Adjacent Channel selectivity 70dB 6 Spurious Response Rejection 70dB 7 Inter modulation Rejection 68dB 8 Spurious Emission radiation 2nW 9 Current 0 9 Amps Max Audio 0 3 Amps STBY 10 Audio Frequency Response 1 3dB of 6dB oc...

Page 44: ...diation 2nW 9KHz to 2GHz 12 3 TRANSMITTER 1 Type of emission 16K0F3E Voice 13K5G2B DSC 2 Frequency range 156 025 161 425MHz 3 Output power 25W 1W into 50 Ohms 4 Audio Harmonic Distortion 10 5 Audio Frequency Response 3dB of 6dB octave Pre emphasis 300 3000Hz 6 Hum and Noise 40dB 7 Frequency Deviation 5KHz max peak 8 Spurious Emissions Radiated 0 25µW 9 Current 5 Amps 25W 12 4 NAVTEX 1 Messages sto...

Page 45: ...157 250 161 850 D Public Correspondence 26 157 300 161 900 D Port Operation VTS 27 157 350 161 950 D Public Correspondence Port Operation 28 157 400 162 000 D Public Correspondence Port Operation 60 156 025 160 625 D Public Correspondence Port Operation 61 156 075 160 675 D Public Correspondence Port Operation 62 156 125 160 725 D Public Correspondence Port Operation 63 156 175 160 775 D Public Co...

Page 46: ... electronic The fins on the back of the case act as a heat sink to dissipate heat generated by the set when in use which maintains the high efficiency of the radio The free circulation of air is essential if mounting the radio is in an enclosed space ensure that the space is vented The S15 is supplied with a reversible mounting bracket This can be used to mount the radio on the chart table or on a...

Page 47: ... earth connection for voltage and RF interface protection The red wire is positive and black is negative If polarity is accidentally reversed the set will not operate The antenna is connected to the S15 using a standard PL259 type connector as fitted to most marine antennae If fitting to an existing antenna check that the contacts are not corroded before connecting as this will affect the quality ...

Page 48: ...tall mast at extreme range where concentrating the available power into a narrow horizontal beam becomes more important However if the antenna is not vertical when transmitting the beam will be angled either too high or too low Fig E Here the wider beam of the shorter antenna will be more universally effective although the signal will be weaker Fig F Therefore vessels with a large heel angle small...

Page 49: ...by returning copy of original sales invoice or any other proof of purchase to us Any manufacturing defect or malfunction in materials or workmanship which occurs within two years from the original purchase date will be repaired without charge or replaced with a new product identical or reasonably equivalent to this product at Silva s option within a reasonable time after receipt of the product Thi...

Page 50: ...ssment procedure laid down in Annex IV of the Directive QINETIQ statement of opinion QQ RTTE 22 02 01 Product Silva S15 25 Watt Marine Band Class D Transceiver For non compulsory fit use only The product is labelled with the CE conformity marking and the identification number of the notified body consulted in the conformity assessment procedure Applicable Standards EN301 025 EN60945 1997 clauses 9...

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