M-tech SX 35 DSC OWNERS HANDBOOK
SX 35 DSC
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SX 35
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ENT
OWNER’S
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HANDBOOK
Declaration of Conformity
I hereby declare that the product
Maritime transceiver : M-TECH SX 35 DSC
(Name of product, type or model, batch or serial number)
satisfies all the technical regulations applicable to the product within the scope
of Council Directives 73/23/EEC, 89/336/EEC and 99/5/EC :
EN 60945:1997
ETSI EN 301 843-1, -2 V1.1.1: 2001-02
ETSI EN 301 025-1: V1.1.2: 2000-08
ETSI EN 301 025-2 : V1.1.1: 2000-08
ETSI EN 301 025-3: V1.1.1: 2001-05
(Title(s) of regulations, standards, etc.)
All essential radio test suites have been carried out.
NOTIFIED BODY : EMCCert Dr. Rasek
- Address :
Boelwiese 5, 91320 Ebermannstadt, Germany
Identification Number : 0678
MANUFACTURER or AUTHORISED REPRESENTATIVE :
- Address :
Pony Electric Corporation
No. 202, 6-28, Akasaka 9-chome, Minato-ku, Tokyo 107-0052, Japan.
This declaration is issued under the sole responsiblility of the manufacturer and,
if applicable, his authorised representative.
- Point of contact :
Tadashi Watanabe (Tel : +81-3-3405-5733 Fax : +81-3-3405-8677)
(Name, telephone and fax number)
Tokyo Japan 2002-03-11
(Place, date of issue) (Signature)
Tadashi Watanabe, President
(Name and title in block letters)
SX 35 DSC 1
NOTICE
This device is only and aid to navigation. Its performance can be
affected by many factors including equipment failure or defects,
environmental conditions, and improper handling or use. It is the
users’s responsibility to exercise common prudence and navigational
judgement, and this device should not be relied upon as a substitute
for such prudence and judgement. Your SX35 DSC VHF radio generates and radiates radio frequency (RF) electromagnetic energy (EME).
This equipment must be installed and operated in accordance with
the instructions contained in this handbook. Failure to do so can
result in personal injury and/or product malfunction.
Antenna Mounting and EME Exposure
For optimal radio performance and minimal human exposure to radio frequency electromagnetic energy, make sure the antenna is:
• Connected to the radio before transmitting
• Properly mounted
• Located where it will be away from people
• Located at least three feet (91 cm) from the Base Station transceiver and handsets.
2 SX 35 DSC
TABLE OF CONTENTS
DECLARATION OF CONFORMITY .............................................................1
GENERAL INFORMATION .............................................................................5
Introduction .................................................................................................... 5
LICENSE INFORMATION ...............................................................................6
Digital Selective Calling (DSC) Capability ................................................6
Required License Information ....................................................................6
Equipment Required .....................................................................................6
Equipment Supplied .....................................................................................7
Optional Equipment ......................................................................................7
BASIC RADIO COMMUNICATION PROCEDURES .................................. 8
Using Channel 16 ........................................................................................... 8
Calling Another Vessel ................................................................................. 9
Telephone Calls ............................................................................................. 9
Prohibited Communication ....................................................................... 10
INSTALLATION .............................................................................................. 11
Transceiver .................................................................................................. 11
Antenna ........................................................................................................ 11
Power Connection ....................................................................................... 11
NMEA Cable ............................................................................................... 12
External Speaker Connection ................................................................... 12
Rear Panel Connectors ............................................................................... 12
Antenna Connector ..................................................................................... 12
OPERATION .................................................................................................... 13
General ......................................................................................................... 13
Display and Controls .................................................................................. 13
Basic Operation ........................................................................................... 14
Power On/Off .............................................................................................. 14
Volume and Squelch .................................................................................. 14
Channel Selection ....................................................................................... 15
Channel Banks ............................................................................................ 15
Keypad, Transceiver .................................................................................. 15
Keypad, Microphone .................................................................................. 16
OPERATING PROCEDURES ........................................................................ 17
Primary Calling Channel ........................................................................... 17
Transmitting ................................................................................................ 17
Working Channel Recall ............................................................................ 18
Transmitter Power Setting ........................................................................ 18
Channel Scanning ...................................................................................... 18
Priority Scan ................................................................................................. 19
All Scan ........................................................................................................ 19
Memory Scan............................................................................................... 20
SX 35 DSC 3
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 ........................................................................................................ 32
Sending a Distress Call .............................................................................. 33
Receiving Distress Calls ............................................................................ 35
Distress sent by another vessel........................................................... 35
Distress ACK sent to another vessel .................................................. 36
Distress Relay from another vessel .................................................... 36
Normal DSC Calls ...................................................................................... 37
Individual DSC Call ............................................................................. 37
Directory Call ......................................................................................... 37
Manual Call ............................................................................................ 39
All Ships Call ......................................................................................... 41
Group Call .............................................................................................. 42
Receiving DSC Calls................................................................................... 43
Individual Call Received ..................................................................... 44
Last Call Received ................................................................................. 45
All Ships Call Received ........................................................................ 46
Group Call Received............................................................................. 46
REFERENCE ...................................................................................................... 47
Maintenance ................................................................................................ 47
Special Functions ........................................................................................ 47
Simulator Mode ..................................................................................... 47
Clear Memory Channels ...................................................................... 47
New Microphone .................................................................................. 47
Printer Operation ........................................................................................ 47
Troubleshooting .......................................................................................... 48
Specifications .............................................................................................. 49
Channel Assignments ................................................................................ 53
4 SX 35 DSC
GENERAL INFORMATION
Congratulations on your purchase of the SX 35 DSC. It is an advanced marine
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 compliance with Regulatory Agency Type Acceptance. Any changes or modification must be approved in writing by the manufacturer.
NOTICE
This radio transceiver has been tested and complies with EN-301 025-1 v1.1.2
(August 2000). This specification provides reasonable protection against
harmful interference in a normal installation. This radio generates, uses and
radiates radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to other marine electronic equipment. However, there is no guarantee that interference will not
occur in a particular installation. If this radio does cause harmful interference to marine electronic equipment, which can be determined by turning this
radio Off and On, the user is encouraged to try to correct the interference by
one or more of the following measures:
• Reorient or relocate the antenna.
• Increase separation between this radio and other marine electronic equipment.
• Connect this radio to a power source different from that of other marine
electronic equipment.
• Consult your dealer or an experienced technician for help.
Introduction
Your SX 35 DSC VHF Transceiver is designed for operation in the marine
VHF FM frequency band. The operating frequency range is 156.025 to 162.000
MHz which includes all currently allocated International channels.
The transceiver has Digital Selective Calling (DSC) capabilities conforming to
EN-301 025-1 v1.1.2 operation. Distress, All Ships, Individual and Group
DSC call formats are supported. There are thirty two memories for storing
incoming DSC calls and thirty two for your personal DSC call directory.
Other features include all channel scanning, priority channel scanning,
memory channel scanning, one button instant access to channel 16 and an
alphanumeric keypad on the microphone.
SX 35 DSC 5
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 transceiver 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.
Prior to using your SX 35 DSC inquire with your national radio communication authorities.
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.
Required License Information
The following information pertaining to your transceiver is necessary if completing a station license application
Output Power ................................................ 1 Watt (low) and 25 Watts (high)
Emission ................................................................................16K0F3E, 16K0G3E
Frequency Range ..........................................................156.025 to 162.000 MHz
Meets Essential Requirements of RTTE DIRECTIVE (Declaration of Conformity)
Equipment Required
The minimum equipment required for two way voice and DSC VHF radio
communication with vessels and shore stations includes:
• VHF radio communication transmitter and receiver designed and approved for marine VHF communication use.
• VHF antenna and connecting cable. Use a good quality unity gain antenna for best range performance.
• Power source suitable for the VHF transmitter and receiver.
• For Digital Selective Calling (DSC) VHF communication radios, connection to a GPS receiver that provides latitude and longitude coordinates
and UTC time for distress messages.
6 SX 35 DSC
Equipment Supplied
• SX 35 DSC Marine VHF Transceiver.
• Microphone with alphanumeric keypad.
• Mounting Bracket with knobs.
• Power Cable with in-line fuse (6.3 Amp).
• NMEA Data Cable.
Optional Equipment
• Flush Mounting Kit.
SX 35 DSC 7
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 connected navigation receiver. The following procedures are for sending voice
distress messages manually. Sending an automatic distress call is described
in the DSC section of this manual.
Using Channel 16
Channel 16 is the Calling and Distress channel. An emergency may be defined as a situation that threatens human life or property. In such situations,
make sure your transceiver is turned On and set the channel selector to Channel 16. Then use the following procedure to make a distress call. The total
transmission should not exceed 1 minute.
1. Press the microphone Push To Talk button. Speak slowly and clearly
into the microphone: “Mayday, Mayday, Mayday, this is your vessel’s
name, your vessel’s name, your vessel’s name”.
2. Then repeat once: “Mayday, your vessel’s name”.
3. Continue by reporting your position in latitude and longitude or by
reporting your bearing (true or magnetic, specify which) and distance
from a prominent or well known landmark, geographic feature or aid
to navigation.
4. Explain the nature of your emergency (fire, sinking, collision, ground-
ing, health condition, injury, etc.).
5. Report the kind of assistance you require (fire, medical aid, pumps,
etc.).
6. State the number of people aboard and the condition of any injured.
7. Estimate the seaworthiness and condition of your vessel.
8. Describe your vessel: length, type, color and any distinguishing fea-
ture.
9. End the message by saying “Over”. Release the Push To Talk button
and listen for a reply.
10. If there is no reply, repeat the above message procedure. If there is still
no response, try another channel.
8 SX 35 DSC
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. Channel 16
must be monitored at all times except when engaged in actual communication on another channel. Channel 16 is monitored by international search
and rescue (SAR) authorities, National Coast Guards and by other vessels.
Use of Channel 16 for calling or hailing must be limited to initial contact only.
Calling should not exceed 30 seconds and may be repeated 3 times at 2 minute
intervals.
Prior to making contact with another vessel, determine which channel will be
used for continued communication after the initial contact. Channels 68 and
72 (see Channel Assignment tables) are two channels available for noncommercial (recreational) communication. Monitor the desired channel for traffic
and, when clear, switch to Channel 16 to make initial contact.
Listen for traffic on the Calling Channel (16). If clear, press the Push To Talk
(PTT) button on the microphone. Speak the name of the vessel you are calling
followed by “this is” and the name of your vessel and your call sign. Release
the PTT and listen for a reply. When the other vessel returns your call, acknowledge the call with “go to”, the number of the new channel and “over”.
Switch to the new channel and listen for traffic. If necessary, wait for traffic to
clear, and then call the other vessel. As communication proceeds, end each
transmission with “over”. When communication with the other vessel is
completed, end the last transmission with your call sign and the word “out”.
It is not necessary to end each transmission with your call sign, just give your
call sign at the beginning and end of each contact.
Remember to switch to Channel 16 when not actively communicating on
another channel.
Telephone Calls
You may use your SX 35 DSC transceiver to make telephone calls to persons
on shore. To do so requires the services of marine operators who operate on
designated Public Correspondence channels. There are several channels designated for this type of traffic and to determine the channel being used in your
area, ask someone with local knowledge, contact a Harbor Master or other
marine authority.
SX 35 DSC 9
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.). When arrangements are complete, your radio communication will be
patched into the telephone line. In conversing with a person on the phone it
is important to use normal radio communication procedures. You should say
“over” and release the PTT button at the end of each transmission. Both
parties cannot speak simultaneously as on normal telephone calls.
Usually there is a fee for marine operator services which is charged in addition to any other charges associated with the call.
Prohibited Communication
The following communications are prohibited by regulations and violators
are subject to penalties.
• False distress or emergency messages (including false DSC distress).
• Messages to “any vessel” except in emergencies and radio tests.
• Messages to or from a vessel on land.
• Transmission while on land.
• Obscene, indecent, or profane language.
10 SX 35 DSC
INSTALLATION
Transceiver
Your SX 35 DSC Transceiver is designed to withstand the rigors of the marine
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. Locate the microphone to avoid entanglement with
steering or engine controls, both when in use and when stowed. Also, consider routing of antenna, power and NMEA interface cables. Mount the transceiver securely to a solid surface.
Antenna
Proper installation of a quality VHF antenna is very important to reliable
radio communication. A good quality unity gain antenna is recommended
for maximum range performance. In general, antennas should be located as
high as practical and separated as much as possible from other antennas and
structures. The minimum distance to other objects is 1 meter. Route the antenna cable away from other electronic equipment and do not bundle the
antenna or power cable with other wiring, especially transducer cables for
depth sounders and fish finders. For cables longer than 10 meters, RG-8/U
coaxial cable must be used. Mount the antenna and install the connector(s) in
accordance with manufacturers instructions. Connect the antenna cable to
the RF output connector on the rear panel of the transceiver.
Power Connection
CAUTION
Reverse polarity connections can damage your transceiver
The power cable for you transceiver must be connected to the ships main
power buss. Use the 6.3 Amp in-line fuse provided. Connect the Red wire to
the positive (+) terminal and the Black wire to the negative (—) terminal.
Connect the barrel terminals on the power cable to the matching color wires
and terminals extending from the rear panel of the transceiver.
SX 35 DSC 11
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 output
from your GPS navigation receiver. Your GPS must output the $GPRMC
NMEA data sentence. Refer to your navigation receiver manual for information about its NMEA output settings and connections.
External Speaker Connection
Provision for connecting and external speaker is provided on the rear panel.
Use an 8 Ohm speaker rated for at least 3 Watts and suitable for the environment at the chosen location.
Rear Panel Connectors
Antenna Connector
The transceiver is fitted with a type SO 239 female connector which mates
with a PL 259 male connector supplied with VHF marine antennas.
12 SX 35 DSC
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. The 4-line LCD
displays the current operating status, menus for selecting functions, and settings for optional features. The microphone has a keypad for changing channels and selecting functions.
Channel/data SelectorLCD DisplayInternal Speaker
SELECT
VOL SQ
SX 35
DSC
DISTRESS
LIFT HERE
MENU
ENT
EXIT
HI/LO
SCAN
END
MEM16CALL
OFF
Microphone
Cable Entry
1
GHI4JKL5MNO
PQRS7TUV8WXYZ
ABC2DEF
ENTEXIT
0
Under Cover
Squelch ControlKeypadEmergency Button
Volume Control
SX 35 DSC
mic
Frequency Bank
3
6
9
Annunciators
4 lines, 11 characters each
for alphanumeric information
USAINTCAN
Channel
Number
Liquid Crystal Display
SX 35 DSC 13
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.
Power-On Screen
After approximately two seconds, the Normal Communication screen appears in the display.
16 PRI. HI
MEM CHANNEL
N 28¡04.814
W 83¡42.169
Normal Com Screen
with GPS Connected
To turn the transceiver Off:
• Rotate the VOL knob CCW until it clicks over the detent to the OFF position.
Volume and Squelch
The VOLume and SQuelch controls have concentric knobs. The outer ring
knob controls squelch and the inner knob controls volume. They are independent controls but work together to control audio output from the speaker. The
volume control sets the loudness of sound from the speaker and the squelch
control is used to mute background noise when no received signals are present.
INT
16 PRI. HI
MEM CHANNEL
99¡99.999
999¡99.999
Normal Com Screen
w/o GPS Connected
INT
14 SX 35 DSC
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). Use
care not to set the SQ control more CW than necessary or weak signals
may not be heard.
Some channels exhibit more background noise than others, so it may be necessary to readjust the squelch setting when changing channels or when scanning.
Channel Selection
When the transceiver is turned On, the Primary Calling Channel (channel 16)
is selected.
There are three ways to change channels:
• Rotate the SELECT knob, press and hold the
ENT
or
keys, or directly
EXIT
enter the channel number using the numeric keys on the microphone.
The
ENT
and
keys will always change channels except when being
EXIT
used to enter or edit a directory page.
Channel Banks
Your SX 35 DSC is designed for use with the International VHF marine channel frequencies plus authorized local channel frequencies. Only authorized
dealers can program other approved country channels, where specifically
allowed by government regulations, by using the 8 pin com connector.
Keypad, Transceiver
A tone is emitted each time a key is pressed. A three beep error tone is emitted
when a key is not allowed. Some functions require a key to be pressed and
held. After the hold period times out, a second tone is emitted as the function
is entered. The basic purpose for each key follows. Detailed usage of keys is
described in operating procedures for the transceivers various functions.
SX 35 DSC 15
MENU
HI/LO
END
16
ENT
Opens menus to select optional settings to personalize your
transceiver’s operation.
Use to toggle transmitter power between 25 watts and 1 watt output.
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.
Selects the Primary Calling Channel 16 or the last channel used. Also,
cancels DSC and Emergency/Distress calls.
Used to complete editing or selection of options from menus. Use to
delete channels in All Scan function.
SCAN
Can be used alone or with the MEM key to select Priority Scan, Memory
Scan or All Scan.
MEM
Stores channels in the scan memory bank, and when used with the
SCAN key, starts Memory Scan.
CALL
Initiates DSC operation screens.
Keypad, Microphone
The microphone keypad is used to change channels by directly entering the
actual channel number with the 0 through
WXYZ
keys. The
9
ENT
or
EXIT
keys
step or scroll to a new channel. The microphone keys are used to enter alphanumeric characters and symbols shown in the following chart.
syeKenohporciM
01
CBA
2
FED
3
IHG
LKJ
4
5
ONM
6
SRQP
VUT
7
8
9
ecneuqeSretcarahCciremunahplA
01ADGJMPTW
ecapS-BEHKNQUX
(,CFILORVY
).?!:#'S&Z
%/23456789
ZYXW
16 SX 35 DSC
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. Always listen for moment
on a channel before transmitting. If the channel is busy, do not transmit until
the channel is clear. For DSC calling and Distress calls, the transmitter is
activated automatically during the appropriate operating procedure. After
DSC contact is established, proceed as in normal voice communication. Continuous transmitter operation is limited to five minutes and the transmitter
will automatically stop.
To establish normal voice communication:
• Press the
Calling Channel is 16. The Primary Calling Channel number appears in
the upper left corner of the display.
• Listen on the Primary Calling Channel to make sure the channel is clear.
• Press the PTT button. Speak directly into the microphone in a normal
tone of voice --clearly--distinctly. Say “(name of vessel being called) THIS
IS (your vessel’s name and call sign).”
• Release the PTT button and listen for a reply.
• Once contact is made on the Primary Calling Channel, each vessel must
switch to a working channel to continue conversation. Refer to the channel chart for proper usage.
• After communication is completed, each vessel must give its call sign or
vessel name and switch to the Primary Calling Channel and resume listening watch.
16
key to select the Primary Calling Channel. The Primary
SX 35 DSC 17
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