ICS Nav6 User manual

Nav6 User Guide
MAN 3008.03
Issue 1.2
ICS Electronics Limited.
Unit V, Rudford Industrial Estate
Ford, Arundel, West Sussex
BN18 0BD
United Kingdom
Tel: [phone]
Fax: [phone]
E-Mail: [e-mail]
[e-mail]
Website: www.icselectronics.co.uk
The technical data, information and illustrations contained in this publication
were to the best of our knowledge correct at the time of going to print. We
reserve the right to change specifications, equipment, installation and
maintenance instructions without notice as part of our policy of continuous
product development and improvement. No part of this publication may be
reproduced, stored in a retrieval system or transmitted in any form, electronic
or otherwise without permission in writing from ICS Electronics Ltd. No liability
can be accepted for any inaccuracies or omissions in the publication, although
every care has been taken to make it as complete and accurate as possible.
Copyright 2001, ICS Electronics Limited. All rights reserved.

Nav6 NAVTEX System User Guide
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Important Information
This equipment is not approved for use by SOLAS convention
vessels within the Global Maritime Distress and Safety System
(GMDSS)
It is intended for use by leisure craft and other non-SOLAS
vessels wishing to participate within GMDSS
Safety Warnings
Do not use the sensor as a grab-handle
This instrument is for use as an aid to sailors and should not
lead to a reduction in the level of good seamanship required at
all times
Reception of messages cannot always be guaranteed as this
depends on local radio propagation

Nav6 NAVTEX System User Guide
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Contents
Quick Start......................................................................................5
Introduction.....................................................................................5
How To Operate Your Nav6............................................................8
NAVTEX Mode...............................................................................9
Setup Mode.................................................................................. 13
Alarm Operation............................................................................ 19
Installation Of Sensor Unit ............................................................ 20
Installation Of Display Unit............................................................ 21
Testing The Nav6 After Installation................................................26
Maintenance and Trouble Shooting............................................... 26
Glossary....................................................................................... 28
Warranty....................................................................................... 29
Packing List And Options.............................................................. 29
Specification................................................................................. 30
Appendix I: NAVTEX Station Database......................................... 32
Appendix II: Message Type Indicators........................................... 34
Appendix III: NMEA Sentences Supported.................................... 35
Appendix IV: Nav6 Menu Structure ............................................... 35

Nav6 NAVTEX System User Guide
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Congratulations on purchasing this superb ICS Electronics Ltd
product. We hope that it gives you many years of reliable and
trustworthy service. Please take the time to read this manual
carefully as it contains some essential information regarding the
operation and maintenance of the product and a useful background
to the NAVTEX system.
We recommend that you regularly visit the ICS website
www.icselectronics.co.uk for information on updates, the availability
of software enhancements, further options and support. The support
pages contain frequently asked questions about the Nav6 that you
may find useful. There is also a NAVTEX database providing a list of
operational NAVTEX stations and their details.
The IMO and various national coastguards also operate informative
websites that you may wish to visit; see
www.icselectronics.co.uk/links.

Nav6 NAVTEX System User Guide
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QUICK START
QUICK STARTQUICK START
QUICK START
You will find this product extremely easy to operate. Please don't be
intimidated by the comprehensive nature of this manual. In reality,
receiving your first NAVTEX messages just could not be simpler.
•Follow the installation guidelines that begin on page 20
•Re-check the cable connections
•Apply power
•If you have not connected a GPS navigation receiver, make sure
that you set the date and time on the start up screen which will
appear
•Sit back and wait for your first NAVTEX message! If you are
within range of a NAVTEX transmitter, you should not need to
wait for more than four hours.
•Refer to “Error! Reference source not found.” for a quick
overview of the menu structure.
•If you then want to get the best from the system: Read the rest of
the manual!
INTRODUCTION
INTRODUCTIONINTRODUCTION
INTRODUCTION
What Is NAVTEX?
What Is NAVTEX?What Is NAVTEX?
What Is NAVTEX?
NAVTEX is a worldwide system for the broadcast and automatic
reception of maritime safety information (MSI) in English by means
of a narrow-band direct-printing telegraphy. NAVTEX provides
shipping with navigational and meteorological warnings and urgent
information automatically from a dedicated receiver.
NAVTEX is a component of the IMO/IHO worldwide Navigational
Warning Service (WWNWS) as defined by IMO Assembly resolution
A.706(17). It is included within the Global Maritime Distress and
Safety System (GMDSS). Since 1 August 1993, NAVTEX receiving
capability has become mandatory equipment for certain vessels
under the provisions of the International Convention for the Safety of
Life at Sea (SOLAS).
NAVTEX broadcast information is available to all seafarers, free of
charge.

Nav6 NAVTEX System User Guide
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How Does NAVTEX Work?
How Does NAVTEX Work?How Does NAVTEX Work?
How Does NAVTEX Work?
NAVTEX transmissions can be sent on several frequencies from
stations situated worldwide. The power of each transmission is
regulated so as to avoid the possibility of interference between
transmitters. Each station is allocated a 10-minute time slot every 4
hours so that many stations can share the same frequency.
The Nav6 receiver stores all messages received from all stations.
Nav6 users can set-up filtering to display only specific message
types from selected stations. Users can choose to display
information from just the single station that serves the sea area
around their position, or from a number of stations.
Display Unit Features
Display Unit FeaturesDisplay Unit Features
Display Unit Features
•The Display Unit uses a high resolution (480 x 320 pixels) backlit
LCD designed to display NAVTEX messages in a choice of text
sizes.
•The display unit contains a large non-volatile memory used to
store NAVTEX messages, the NAVTEX station database, all of
the user settings, filter options and LCD contrast and backlight
levels. All messages and settings are retained during power
down.
•Several messages can be displayed at once (depending upon
the length of the message) and messages can be scrolled up
and down the screen with a single keypress.
•Messages can be filtered and sorted using a number of user
selectable criteria.
•Audible and visible alarms can be set up to indicate reception of
SAR and/or New Messages.
•A sleep mode allows long standby periods with minimum power
consumption, such as when the vessel is left in a marina with
main batteries being trickle charged from the shore.
Sensor Unit Features
Sensor Unit FeaturesSensor Unit Features
Sensor Unit Features
•The Sensor Unit contains a short whip antenna and switchable
receiver that can receive on either 490kHz or 518kHz.
•The sensor communicates with the display unit via a serial
interface. Multiple sensors and displays can be connected
together should an extended system be required.

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What Can My Nav6 Do?
What Can My Nav6 Do?What Can My Nav6 Do?
What Can My Nav6 Do?
•The Nav6 stores all correctly framed NAVTEX messages that it
receives in non-volatile memory, regardless of station, message
type or error rate. The messages to be displayed on the LCD
can be selected from the total set of stored messages by
applying various filter settings.
•Station filters can be setup to display messages from preferred
stations.
•Message type filters can be setup to display only messages of
selected types.
•All messages are retained during power down and are still
available next time the unit is powered up.
How Do I Get
How Do I GetHow Do I Get
How Do I Get The Most Out Of My Nav6?
The Most Out Of My Nav6?The Most Out Of My Nav6?
The Most Out Of My Nav6?
•Use the filter settings to display only the stations and message
types of interest. There are five filter presets that you can
configure to switch the display quickly between different sets of
filtered information; for example: Weather, Navigational
Warnings, New Messages, Selected Stations. Remember that
you can change the presets at any time.
•Set the LCD contrast and brightness. There are three built in
preset values for ‘day’, ‘night’ and ‘sleep’ operations. The day
and night presets are user adjustable.
•Set the text size in NAVTEX mode to suit your needs. Three
sizes are available; small, medium and large, the larger the text
the fewer the number of NAVTEX message lines that can be
displayed.
•Always mark messages as ‘read’ when you have read them; this
way new messages are easily spotted when received (the ‘NEW’
icon will be showing at the top of the screen). You can also set
the display to produce an audible alarm and/or flash the red LED
to indicate when a new message is received.
•Change the function of the LED to suit your needs.
•Change the function of the buzzer to suit your needs
•Set up the time and date after power on. When NMEA date /
time data is available this is done automatically.
•Keep the station database up to date by using the built-in editing
facility.
•Set the menu language. Note that this only changes the menu,

Nav6 NAVTEX System User Guide
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options and soft-key text – it does not translate the NAVTEX
messages!
HOW TO OPERATE YOUR NAV6
HOW TO OPERATE YOUR NAV6HOW TO OPERATE YOUR NAV6
HOW TO OPERATE YOUR NAV6
Throughout this document, softkey presses shall be indicated by:
PAGE VIEW MODE
And the four dedicated movement keys indicated by:
UP DOWN LEFT RIGHT
Keyboard Layout
Keyboard LayoutKeyboard Layout
Keyboard Layout
Softkeys Softkeys
Left Down Up Right
The Nav6 has eight keys. The centre four of these are a ‘screen
navigation’ pad (left, right, up and down). The four keys situated on
either side of the navigation pad are soft-keys. Their function is
context sensitive. The current function of each of the four soft-keys is
shown on the soft-key menu area at the bottom of the display.
LED and Buzzer
LED and BuzzerLED and Buzzer
LED and Buzzer
The function of the red LED and buzzer can be changed to suit your
needs – see the general setup pages.
Softkey Menu Area
Softkey Menu AreaSoftkey Menu Area
Softkey Menu Area
Current State
Action
Function Page or Function View Mode
Softkey Softkey Softkey Softkey

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The operation of the Softkeys is indicated in the Softkey Menu Area
at the bottom of the display
The upper line of text shows the current softkey setting and the lower
line of text shows the softkey action.
The MODE softkey switches between the two operating modes of
the Nav6: In addition, holding down the MODE softkey for longer
than 2 seconds resets the LCD contrast and backlight to 50% and
selects the LCD setup page. This is useful where contrast and
backlight adjustments have made the screen unreadable.
NAVTEX Mode allows the display of NAVTEX messages and
associated NAVTEX status information. This is only available if a
sensor is (or has been) connected to the display and the NAVTEX
frequency setting on the NAVTEX options page is set to 518 kHz,
490 kHz or Both.
Setup Mode allows various changes to be made to the operation of
the unit in NAVTEX Mode, as well as controlling the LCD, operation
of the LED and audible alarms etc.
NAVTEX MODE
NAVTEX MODENAVTEX MODE
NAVTEX MODE
In NAVTEX mode, the display
consists of a large area dedicated
to displaying NAVTEX messages,
with a status bar at the top, and
descriptions of the softkey
functions at the bottom.
It is possible to scroll up and down
the messages line by line, using
the UP and DOWN keys.
Additionally, you can step through
the display, message by message
using the LEFT and RIGHT keys.
At the top of the display is a status bar:
The status information is displayed as a series of icons. The
meaning of the icons is as follows:

Nav6 NAVTEX System User Guide
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Message at the top of the display
An alarm is active
NMEA time and date data active
490 kHz reception available
518 kHz reception available
Receiving message now
Signal Carrier, but no message
Sensor communication fault
SAR message received
NEW message received
UTC Time
At the bottom of the screen is the soft-key menu area:
Three different ‘views’ can be selected by pressing the VIEW
softkey:Message View
Sort View
Filter View
NAVTEX Mode, Message View
NAVTEX Mode, Message ViewNAVTEX Mode, Message View
NAVTEX Mode, Message View
The NEXT NEW softkey can be used to move the next new
message to the top of the NAVTEX display where it can be marked
as read by pressing MARK READ. Note that the message that will
be marked as read is shown in the top left of the status bar. This is
particularly useful when the message’s header has scrolled off the
top of the display area.
NAVTEX Mode, Sort View
NAVTEX Mode, Sort ViewNAVTEX Mode, Sort View
NAVTEX Mode, Sort View
The NAVTEX message display can be sorted in one of three ways
by pressing the CRITERIA softkey:
Sort by Station
Sort by Type
Sort by Date
The sort can be further organised in ascending or descending order
by pressing the ORDER softkey.

Nav6 NAVTEX System User Guide
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Sort by Station orders the messages by NAVTEX frequency and
the alphabetical order of their station letters.
Sort by Type orders the messages in the alphabetical order of their
message identifier letter.
Sort by Date orders the messages by the date and time that they
were first received. For sort by date to work properly, the correct time
and date must be set using general setup page at start-up or GPS
time data must be available on the NMEA input
NAVTEX Mode, Filter View
NAVTEX Mode, Filter ViewNAVTEX Mode, Filter View
NAVTEX Mode, Filter View
Use the filter view to select which message types from which
stations you wish to see displayed on the NAVTEX display.
(Tip: even if you have de-selected messages from a particular
station and/or message type, the system will still receive and store
those messages. You will be able to view those messages by re-
selecting them in Filter View.).
5 different sets of filter settings can be programmed into the unit.
Using the filter presets allows quick selection of 5 different filter
settings. Once a preset is selected, the filter settings for that preset
may be changed as required. The filter settings for the current
selected preset will be applied when NAVTEX messages are next
viewed. Press the PRESET softkey to select a preset.
(Tip: Set up the 5 filter presets for the stations and message types
that you use most. For example:
Preset 1 - all message types from all
stations;
Preset 2 - meteorological warnings
from all stations,
Preset 3 - navigational warnings
from all stations;
Preset 4 - new messages of all
message types from all stations;
Preset 5 - new messages of all
message types from selected
stations)
There is a stations and types filter
page for the selected receive
frequency. Use the PAGE softkey to
select the filter page: 518 Stations,
518 Types, 490 Stations, or 490
Types. Only the pages for the
selected frequency are displayed.

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The picture shows the 518 Types filter page; the 490 Types filter
page is similar.
Each of the message types can be selected as either ON, OFF or
NEW.
Use the UP and DOWN keys to select the message type setting that
you wish to edit. Use the LEFT and RIGHT keys to change the
setting.
Set each message type filter to one of the following:
Setting Notes
On Message type always displayed
Off Message type never displayed
New Message type only displayed when new. Messages
marked as read will not appear.
The picture shows the 518 Stations
filter page; the 490 Stations filter
page is similar. Use the UP and
DOWN keys to select the station
filter setting that you wish to edit.
Use the LEFT and RIGHT keys to
change the setting.
Set the filter for each station to one
of the following:
Setting Notes
On Messages from station always displayed
Off Messages from station never displayed
An asterisk appears next to all stations for which messages will be
displayed.

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SETUP MODE
SETUP MODESETUP MODE
SETUP MODE
Setup Mode consists of 2 ‘Views’ that can be selected with the VIEW
softkey. Each View has a number of ‘Pages’ that can be selected
with the PAGE softkey.
General View NAVTEX View
LCD Page Options Page
Options Page 490 Names Page
518 Names Page
Monitor Page
Setup Mode, General View, LCD Page
Setup Mode, General View, LCD PageSetup Mode, General View, LCD Page
Setup Mode, General View, LCD Page
The General View LCD Page shows a checker board pattern that
can be used to set up the LCD.
LCD contrast is adjusted with the
LEFT and RIGHT keys.
LCD brightness is adjusted with the
UP and DOWN keys.
There is a readout of the LCD
backlight temperature towards the
bottom of the display. This is internal
case temperature, and gives only an
approximation to ambient
temperature.
Tip: If the LCD is unreadable due to
poor contrast, hold down the MODE
softkey for more than 2 seconds (in
any screen) to display the LCD page
and reset the LCD contrast and
backlight to 50%. The LCD should
now be readable. Adjust the contrast
as required.
Setup Mode, General View, Options Page
Setup Mode, General View, Options PageSetup Mode, General View, Options Page
Setup Mode, General View, Options Page
The General View Options Page shows general settings for the
display such as Date, Time, Sound and Miscellaneous settings. Use
the UP and DOWN keys to select the setting that you wish to edit.
Use the LEFT and RIGHT keys to change the setting.
Notes:

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•Date and time will be taken from
NMEA input data if available.
•There is no battery backup so
date and time will be incorrect
when power is switched on
unless NMEA data is available
or the date and time are
manually set. The date and time
is used to time stamp all
incoming NAVTEX messages
so that they can be sorted by
date and time.
Option Setting Notes
Year YYYY Year, e.g. 2001
Month MM Month, e.g. 03
Day DD Day, e.g. 15
Hour HH 24 hour clock
Minute mm Minutes
Keyclick OFF No beep on key press
ON Beep on key press
New Message OFF New message alert off
Alert ON Audible alarm for new messages
Antenna Alarm OFF Antenna alarm off
Timed Antenna alarms repeated 5 times, unless
cancelled
Repeated Antenna alarms repeated until cancelled
SAR Alarm OFF SAR alarm off
Timed SAR alarms repeated 5 times, unless
cancelled
Repeat SAR alarms repeated until cancelled
Language English English language menus
French French language menus
LED Function OFF LED always off
ON LED as power indicator
RX LED as receive indicator
SAR LED as SAR indicator
NEW LED as New Message indicator
Defaults shown in BOLD

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Setup Mode, NAVTEX View,
Setup Mode, NAVTEX View,Setup Mode, NAVTEX View,
Setup Mode, NAVTEX View,
Options Page
Options PageOptions Page
Options Page
The NAVTEX View Options Page
shows general settings for NAVTEX
operation such as Antenna, Display
and Sound settings. Use the UP and
DOWN keys to select the setting that
you wish to edit. Use the LEFT and
RIGHT keys to change the setting
Option Setting Notes
Font Small Display NAVTEX messages using small font
Medium Display NAVTEX messages using medium
font
Large Display NAVTEX messages using large font
Error
Threshold XX % Percentage character error rate above which messages are not displayed. Note that this
setting does not stop messages with an error
rate above the threshold from being stored in
memory
Alphabet Latin Latin alphabet used for NAVTEX messages.
Cyrillic Latin alphabet with third shift Cyrillic used for
NAVTEX messages
Age Limit None,
1, 2, 3, 5
Days, 1, 2,
3, 4, 8, 12
Weeks
Maximum age of NAVTEX messages to be
displayed. NAVTEX messages older than the
age limit are not displayed
NAVTEX
Frequency None No receiver selected.
490 kHz 490 kHz only operation
518 kHz 518 kHz only operation
New
Message Off New message alert off
Alert On Audible alarm for new messages

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Option Setting Notes
Antenna Off Antenna alarm off
Alarm Timed Antenna alarms repeated 5 times, unless
cancelled
Repeat Antenna alarms repeated until cancelled
SAR Alarm Off SAR alarm off
Timed SAR alarms repeated 5 times, unless
cancelled
Repeat SAR alarms repeated until cancelled
Display
Mode Master Set to master if this is the main display. This display will control the sensor over the
sensor data link. Only one display may be
set to master.
Slave Set to slave if this is a repeater unit. Slave
units do not control the sensor and can only
monitor the sensor data link. There can be
multiple slave displays in a system
Antenna
Type Switchable Reported by sensor, cannot be changed
Dual
Firmware
Version X.X Reported by sensor, cannot be changed
Hardware
Revision XReported by sensor, cannot be changed
Defaults shown in BOLD
Setup Mode, NAVTEX View, 518 and 490 Names Pages
Setup Mode, NAVTEX View, 518 and 490 Names PagesSetup Mode, NAVTEX View, 518 and 490 Names Pages
Setup Mode, NAVTEX View, 518 and 490 Names Pages
The station names setup pages
determine the names of stations
displayed on station filter pages and in
NAVTEX message headers.
The picture shows the ‘518 Names’
page; the ‘490 Names’ page is similar.
Use the UP and DOWN keys to select
the setting that you wish to edit. Use
the LEFT and RIGHT keys to change
the setting.
(Tip : You may be sailing in Nav Area
II and therefore will pick station names
from Nav Area II. However it is
important to realise that the
corresponding station letter in the
adjacent Nav Areas may be closer.
For example, the ‘S’ station that you

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are receiving is the ‘S’ station in an adjacent Nav Area).
Setup Mode, NAVTEX View, 518 and 490 Names, Station
Setup Mode, NAVTEX View, 518 and 490 Names, StationSetup Mode, NAVTEX View, 518 and 490 Names, Station
Setup Mode, NAVTEX View, 518 and 490 Names, Station
Database Setup
Database SetupDatabase Setup
Database Setup
Press the STATION DATABASE
softkey from within the Setup
Mode, NAVTEX View, 518 or 490
Names Page to display the station
database setup page for 518 or
490 kHz. Press the EXIT softkey to
leave the station database setup.
The station database page is
divided into two halves. The top
half shows a scrolling list of all
stations in the database. The
bottom half shows details of the
current station selected in the
station list.
To edit an existing station entry:
Use the UP and DOWN keys to
select the station you wish to edit.
Use the LEFT and RIGHT keys to jump to the next or previous
station letter in the database.
Press the EDIT softkey to edit the station details at the bottom of the
display. The database entry for a typical
station (i.e. ‘Niton’) is shown left.
Data items are selected using UP
and DOWN keys. Data items are
changed using LEFT and RIGHT
keys.
When editing the station name, use the LEFT and RIGHT keys to
change the letters. Use the NEXT softkey to accept the current letter
and move the cursor to the right. Use the BACKSPACE softkey to
delete the current letter and move
the cursor to the left
When editing the latitude and
longitude fields, use the NEXT
softkey to select the Degrees,
Minutes or Cardinal part of the

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position. Use the LEFT and RIGHT keys to change the selected
item.
When you have finished entering the data, press the SAVE softkey
to save and update the database or CANCEL softkey to abort the
change.
Field Notes
Station The station letter: A to X
Area The Nav-Area: I to XVI
Name The station name as displayed on NAVTEX
messages. Up to 17 characters.
Latitude
Longitude The transmitter position.
Range The stated coverage range of the station in NM.
Used to determine in range stations.
Operational Set to YES when the station becomes
operational. Set to NO when the station is
declared but not yet operational.
To enter a new station:
Press the NEW softkey to create a new database entry. The rules for
entering a new station are identical to those described above for
editing an existing station. When you have finished entering the data,
press the SAVE or CANCEL softkey as required.
To delete a station :
Use the UP, DOWN, LEFT and
RIGHT keys to select the station in
the station list that you wish to
delete. Press the DELETE softkey.
Confirm or cancel the deletion by
pressing the CONFIRM or CANCEL
softkeys.
Setup Mode, NAVTEX View,
Setup Mode, NAVTEX View,Setup Mode, NAVTEX View,
Setup Mode, NAVTEX View,
Monitor Page
Monitor PageMonitor Page
Monitor Page
The monitor page shows a split
screen view of live 490 and 518 kHz
transmissions as they are received.
None of the filtering selected in the
various setup pages is applied.
The monitor page displays ALL
incoming data regardless of error

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rate. The monitor page also shows the low level phasing characters
contained within transmissions (shown as øcharacters) and
transmission errors (shown as * characters).
ALARM OPERATION
ALARM OPERATIONALARM OPERATION
ALARM OPERATION
The Nav6 display contains a buzzer that can generate audible
alarms for the following conditions:
Option Notes
New Message Alert Short beep beep. Not repeated.
Indicates reception of a new NAVTEX message.
SAR Alarm Morse code: Dot dot dot, dash dash dash, dot dot
dot.. Repeated every ten seconds.
Indicates reception of a message type D, Search
And Rescue NAVTEX message.
Antenna Alarm Short dah dee, dah dee. Repeated every eight
seconds.
Indicates that there is a fault in the NAVTEX
antenna or the cabling; see the Fault Finding section
for more details.
The alarms can be enabled or disabled via the Setup Mode, General
View Options Page. When enabled, the SAR Alarm and Antenna
Alarm can be set to repeat 5 times or to repeat continuously.
Tip: When an alarm is active, pressing any of the softkeys will cancel
the alarm. The normal softkey action will not occur.
Tip: When an alarm is active, an alarm bell icon will flash on the
status bar.
The red LED found above the softkeys, can be setup (on the Setup
Mode, General View Options Page) to flash when there are unread
new messages or SAR messages. This can be useful in a noisy
environment where audible alarms cannot be easily heard.

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INSTALLATION OF SENSOR UNIT
INSTALLATION OF SENSOR UNITINSTALLATION OF SENSOR UNIT
INSTALLATION OF SENSOR UNIT
The Sensor Unit is a rugged waterproof unit, but care should be
taken during installation to prevent damage that may lead to
subsequent water ingress of water.
•The Sensor Unit should be mounted so that the whip is
approximately vertical.
•The Sensor Unit can be screwed into a standard marine antenna
rail mount (1" 14 tpi thread or ICS part number 903.03).
•The mounting position should avoid any adjacent obstructions
caused by the superstructure etc.
•The Sensor Unit should be located at least 0.5metres away from
any other electronic equipment including GPS antennas, Radar
etc.
•On a yacht, pushpit mounting is permissible.
Note: due to the variety of possible mounting methods (horizontal
rail, vertical rail, deck, etc) ICS do not supply the antenna mounting
bracket as standard. They are readily available from most marine
electronics stores.
Mounting the Sensor Unit
Mounting the Sensor UnitMounting the Sensor Unit
Mounting the Sensor Unit
•First, fix the antenna mount in the desired location.
•If required, thread the sensor cable through the antenna mount
(if the antenna mount thread has a slot to accept the sensor
cable mount this may not be necessary).
•Now fit the Sensor Unit on top of the antenna mount.
•Holding the top of the Sensor Unit, rotate the large plastic nut on
the bottom in order to engage the thread of the antenna mount.
•Continue to tighten the nut until the Sensor Unit is locked.
•Note that it is possible to position the Sensor Unit to face
whichever way the user desires.
•Do not use a wrench to tighten the nut – hand-tighten only.
Mounting the 45cm Extension Whip
Mounting the 45cm Extension WhipMounting the 45cm Extension Whip
Mounting the 45cm Extension Whip
•Remove the red plastic plug on the top of the Sensor Unit.
•Screw in the Extension Whip.
•It is advisable to apply a smear of grease to the thread to ensure