Simrad RS90S User Manual

RS90S Blackbox VHF
User Manual
ENGLISH
simrad-yachting.com
Preface
Disclaimer
It is the owner’s sole responsibility to install and use the equipment in a manner that will not cause accidents, personal injury or property damage. The user of this product is solely responsible for observing safe boating practices.
NAVICO HOLDING AS AND ITS SUBSIDIARIES, BRANCHES AND AFFILIATES DISCLAIM ALL LIABILITY FOR ANY USE OF THIS PRODUCT IN A WAY THAT MAY CAUSE ACCIDENTS, DAMAGE OR THAT MAY VIOLATE THE LAW.
Governing Language: This statement, any instruction manuals, user guides and other information relating to the product (Documentation) may be translated to, or has been translated from, another language (Translation). In the event of any conflict between any Translation of the Documentation, the English language version of the Documentation will be the official version of the Documentation.
This manual represents the product as at the time of printing. Navico Holding AS and its subsidiaries, branches and affiliates reserve the right to make changes to specifications without notice.
Copyright
Copyright © 2018 Navico Holding AS.
Warranty
The warranty card is supplied as a separate document.
In case of any queries, refer to the brand website of your unit or system: www.simrad-yachting.com
RS90S User Manual
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RF emissions statements
European Union
This RS90S complies with CE under RED Directive 2014/53/EU. The relevant Declaration of conformity is available in the product’s section at the following website: www.simrad-yachting.com.
United States
Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Warning
The user is cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
RF Emissions notice
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This device’s antenna must be installed in accordance with provided instructions; and it must be operated with minimum “place number here” m spacing between the antennas and all person’s body (excluding extremities of hands, wrist and feet) during operation. Further, this transmitter must not be co-located or operated in conjunction with any other antenna or transmitter.
4 |
¼ Note: This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that the interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment 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 receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from
that of the receiver is connected.
Consult the dealer or an experienced technician for help.
RS90S User Manual
Canada
This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two conditions:
1. This device may not cause interference; and
2. This device must accept any interference, including interference that
may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes:
1. l’appareil ne doit pas produire de brouillage, et
2. l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique
subi, même si le brouillage est susceptible d’en compromettre le fonctionnemen.
Industry Canada Statement
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
Conformément à la réglementation d’Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d’un type et d’un gain maximal (ou inférieur) approuvé pour l’émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage
radioélectrique à l’intention des autres utilisateurs, il faut choisir le type d’antenne et son gain de sorte que la puissance isotrope rayonnée quivalente (p.i.r.e.) ne dépassepas l’intensité nécessaire à l’établissement d’une communication satisfaisante.
This radio transmitter (RS90S) has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
RS90S User Manual
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Le présent émetteur radio (RS90S) a été approuvé par Industrie Canada pour fonctionner avec les types d’antenne énumérés ci­dessous et ayant un gain admissible maximal et l’impédance requise pour chaque type d’antenne. Les types d’antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l’exploitation de l’émetteur.
Notice specic to the Wireless handset (HS35)
This ISM device complies with Canadian ICES-001. Maintain a minimum separation of 2.5 cm (1 inch) from the face.
Cet appareil ISM est conforme à la norme NMB-001 du Canada. Maintenir une distance minimum de 2,5 cm (1 inch) de la surface.
Australia & New Zealand
Complies with the requirements of level 2 devices of the Radiocommunications (Electromagnetic Compatibility) standard 2017 and Radiocommunications (VHF Radiotelephone Equipment – Maritime Mobile Service) Standard 2014.
Countries of intended use in the EU
AT - Austria HU - Hungary PL - Poland
BE - Belgium IS - Iceland PT - Portugal
BG - Bulgaria IE - Ireland RO - Romania
CY - Cyprus IT - Italy SK - Slovak Republic
CZ - Czech Republic LV - Latvia SI - Slovenia
DK - Denmark LI - Liechtenstein ES - Spain
EE - Estonia LT - Lithuania SE - Sweden
FI - Finland LU - Luxembourg CH - Switzerland
FR - France MT - Malta TR - Turkey
DE - Germany NL - Netherlands UK - United Kingdom
GR - Greece NO - Norway
6 |
Trademarks
Simrad® and Navico® are registered trademarks of Navico.
NMEA® and NMEA 2000® are registered trademarks of the National Marine Electronics Association.
RS90S User Manual
Navico recommends that you check the radio operating licensing
!
requirements of your country before using this VHF radio. The operator is solely responsible for observing proper radio installation and usage practices.
Notes on MMSI and DSC
The user MMSI (Marine Mobile Service Identity) is a unique nine digit number. It is used on marine transceivers that are capable of using DSC (Digital Selective Calling). Digital Selective Calling offers significant safety and convenience advantages over older VHF radios without this functionality.
¼ Note: Many countries do not have radio repeaters that support DSC
message relaying. However DSC can still be useful for direct ship-to­ship communication, where the other vessel is also equiped with a DSC capable radio.
You must obtain a user MMSI and enter it into your radio in order to use the DSC functions. Contact the appropriate authorities in your country to obtain an MMSI number - charges may apply. If you are unsure who to contact, consult your Simrad dealer.
¼ Note: DSC distress calls generated by this radio are limited to the
same range restrictions that apply to regular VHF transmissions. The vessel sending a distress can only rely upon DSC if within range of a GMDSS Coast Radio Station. Typical VHF range may be about 20NM, though this varies greatly depending upon installation, antenna type, meteorological conditions, etc.
About this manual
This manual is a reference guide for installing and operating a RS90S VHF radio. Important text that requires special attention from the reader is emphasized as follows:
¼ Note: Used to draw the reader’s attention to a comment or some
important information.
Warning: Used when it is necessary to warn personnel that
they should proceed carefully to prevent risk of injury and/or damage to equipment/personnel.
RS90S User Manual
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Contents
11 Introduction
12 Getting started
12 Handsets 15 Handset control buttons 16 Switching on and off 18 The standby screen 20 Modes 20 Changing channel 22 Adjusting squelch 22 Setting transmission power 23 PTT Key 23 Using the menus 23 Shortcut keys 24 Entering data 24 Warning messages 24 Alert tones
25 Operating procedures
25 Making a routine radio call 25 Calling a buddy 26 Making a channel 16/9 distress call 26 Making a DSC distress call 27 Receiving weather alerts (US model only) 27 Receiving SAME alerts (US model only) 28 Favourite channel (non-US models) 29 Three favourite channels 3CH 29 Scanning channels 32 Using the hailer 33 Using the fog horn 34 Using the intercom 34 Using the announce function 35 Using the voice recorder 35 Sharing NMEA 2000 data
8 |
36 Waypoint procedures
36 Adding a new waypoint
Contents | RS90S User Manual
37 Editing a waypoint 37 Deleting a waypoint 38 Navigating to a waypoint
40 DSC procedures
40 Introduction to DSC 42 DSC Distress calls 45 Sending routine DSC calls 56 Receiving DSC calls 62 ATIS
63 AIS procedures
64 List of nearby vessels 64 PPI display 65 T/CPA screen 66 AIS target information
67 Installation
67 Checklist 70 Positioning 71 Installing the transceiver 72 Installing a wired handset cradle 73 Installing a handset cable connector 74 Installing a wireless handset cradle 75 External speakers installation options 77 Transceiver external connectors 77 Transceiver internal connectors 83 Setting up the radio 83 NMEA 2000 Network
85 Setup
85 Wireless handset setup 86 Buddy list setup 88 Radio setup 95 DSC Setup 102 AIS Setup 105 GPS setup 108 General setup
Contents | RS90S User Manual
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110 Appendices
110 Appendix 1 - Troubleshooting 111 Appendix 2 - Keys reference 113 Appendix 3 - Beep tones and call alerts 113 Appendix 4 - Warning Messages 113 Appendix 5 - AIS information 115 Appendix 6 - Technical specification 119 Appendix 7 - Channel charts
10 |
Contents | RS90S User Manual
1

Introduction

The Simrad RS90S VHF radio is a comprehensive solution for marine VHF radio applications.
The radio comprises:
RS90S VHF transceiver.
One wired handset as standard, and optionally up to 3 more wired
handsets. (Maximum of 4 wired handsets in total.)
Up to 2 optional wireless handsets.
Up to 4 optional external speakers.
In addition to routine ship-to-ship or ship-to-shore VHF communications, the RS90S has many advanced features, including:
NMEA 2000 and NMEA 0183 network connectivity, which allows the
radio to share information with other onboard devices, such as a GPS antenna, a chart plotter or a multi-function display.
Digital Selective Calling (DSC) for automated distress calls, and for
calling individual vessels using their Maritime Mobile Service Identity (MMSI). Also includes a track buddy function.
Automatic Identification System (AIS) for monitoring nearby vessels
(receive only).
Automatic Terminal Information Service (ATIS) function for controlled
VHF communications in European inland waterways (EU models).
Automatic weather alert using TONE and SAME systems (US models).
Monitoring multiple VHF channels simultaneously (country specific).
Intercom calls between handsets.
Voice recording.
Fog horn and loud-hailer modes.
Horn button connection.
Up to three instant favourite channel selections.
Introduction | RS90S User Manual
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2

Getting started

Caution: Under extreme operating conditions, the

Handsets

All the operating functions of the RS90S are carried out using the handsets. Each handset contains a microphone, a small internal loudspeaker and various buttons for controlling the radio.
Two types of handset are available:
Up to four wired handsets can be connected. There must be at least
one wired handset connected to the station one terminal in the installation.
Up to two wireless handsets can be installed. The wireless handsets
communicate with the transceiver by 2.4 GHz radio communication. The wireless handsets are powered by internal rechargeable batteries, and are charged by inductive charging when on the cradle.
When there are multiple handsets, they are synchronized so that there is no conflict of operation and each display the same information on their screens.
temperature of the rear heat-sink on this radio may exceed normal surface temperatures. Caution is advised to prevent possible skin burns.
12 |
Handset naming
Handset names appear on screen at times—for example, when another handset has control of the radio.
Wired handsets HS1, HS2, HS3, HS4
The above handsets—1 standard and 3 optional—are connected to the transceiver. The volume controls on these handsets control the corresponding external speakers.
Getting started | RS90S User Manual
Handset parts
1
3
4
2
5
6
1 Red distress cover with button beneath 2 Screen 3 PTT button 4 Volume control 5 Function keys 6 Keypad (wired handsets only).
Subscribing a wireless handset
At installation time, wireless handsets must be registered in the transceiver. For instructions, see “Subscribing a wireless handset” on page 85.
Getting started | RS90S User Manual
| 13
Charging a wireless handset
When a wireless handset is not in use, it should be placed on its cradle for charging.
14 |
Locate the bottom of the handset onto the cradle first, and then press the top of the handset inwards until it clicks into the top lugs.
Handset operation priority
If you want to use HS1, but it displays “HS# IN USE,” it means that another handset is operating.
To shift control to HS1:
1. Press [X].
2. The display shows “Take Control?”
Press [OK] to take over control.
Or, [X] to leave the other handset in control.
Getting started | RS90S User Manual

Handset control buttons

10
1
2
3
4
5
9
1 Short press for AIS menu.
Long press for Intercom / Hailer mode.
2 Press to select the priority channel.
3 Short press for Exit key.
Long press for power on/off.
4 Squelch keys. Also used for moving cursor left/right.
5 Three favourite channel key.
6 Short press for weather station (US models).
Long press for Navigation mode.
7 Change channel, or scroll menu options.
8 Short press for [OK] key.
Long press to toggle high/low power.
9 Short press for DSC menu.
Long press for menu.
10 Short press to start dual-watch or tri-watch mode.
Long press to start scanning channels.
8
7
6
For more information on keys, see “Appendix 2 - Keys reference” on page 111.
Getting started | RS90S User Manual
| 15
Switching on and o
Switching on the system
The VHF radio is switched on from a wired handset.
To switch on the radio:
1. Press and hold [X] on a wired handset until the startup screen
showing version numbers appears.
2. When prompted, press [X] to exit the startup screen and display the
main operating screen.
This switches on the transceiver and the wired handset.
¼ Note: A wireless handset can only switch itself on and off. See
“Switching on a wireless handset” on page 17.
Switching o the system
The system is switched off by holding down the [X] key on a wired handset until the display shows “Release key to power off.”
Just one handset
1. In standby mode, press [X] on the wired handset until the display
shows “Release key to power off.”
16 |
2. Release the [X] key.
More than one wired handset
HS1 (handset 1) has a power-off menu. All the other handsets simply power themselves off.
Handset 1 power-off menu:
SYSTEM
Turns off all handsets and the transceiver.
HS1
Turns off the handset itself. Displays “SYSTEM IS WORKING” with no backlight.
¼ Note: You can ignore the power-off menu and keep holding down
[X] until the display shows “Release key to power off.”
Getting started | RS90S User Manual
Switching on a wireless handset
Press and hold [X] until the display illuminates.
The display shows “Searching,” then “Connecting,” and then the current operating screen.
¼ Notes:
This only switches on the individual wireless handset, not the
transceiver.
If the transceiver is off, the wireless handset continues to display
“Searching”.
At install time, wireless handsets must be subscribed. See
“Subscribing a wireless handset” on page 85.
Switching o a wireless handset
¼ Note: This procedure only switches off the wireless handset. It does
not switch off any other handsets or the transceiver.
1. Press and hold [X] until the following message appears:
“Release key to power off.”
2. Release the [X] key.
Handset status display
A small icon located on the lower right of the screen shows the status of all connected handsets.
The above example shows that handset 1 and handset 3 are online and this handset is handset 1.
Getting started | RS90S User Manual
| 17

The standby screen

16
The following illustration shows a typical operating screen in standby mode. The radio is in standby mode when it is waiting to send or receive calls.
DSC
Hi
DISTRESS 14:43
128
012 WPT: HARBR
The above screen shows:
The radio is tuned to channel 16, which has been designated as the
priority channel (PRI).
In this unit, Channel 16 has been named “DISTRESS.”
Transmitting power is set to high (Hi).
DSC is enabled.
The time is 14:43 UTC.
The current course is 128° true and speed over ground is 5.0 knots.
The current latitude is 55°33.122’N and longitude 012°42.408’E.
The channel bank selected is International (INT).
The name of the destination waypoint is HARBR.
The unit selected is Nautical Miles (nm).
The destination waypoint is 8 nm away at a bearing of 275° true.
The current Cross-Track-Error is 0.5 nm to port (requires a course
change to starboard).
55
275
UTC
5
Kt
t
33.122
42.408
8.00
t
n m
N
E
PRI
INT
0.50>
18 |
Getting started | RS90S User Manual
During normal operation, the following icons may be displayed on the screen depending on setup:
Symbol Meaning
or
Channel suffix
AIS is enabled
Flashing if a weather alert has been received (US models only)
ATIS is enabled
Low battery warning. Activates at 10.5 V
Incoming DSC call. Flashing if there are unread call log messages
Canadian channel bank is selected
, ,
Favourite channel 1, 2 or 3 is selected
The current channel is a duplex channel
DSC is enabled
Dual watch mode
High transmission power (25 W)
International channel bank selected
Low transmission power (1 W)
‘Local’ sensitivity selected.. Otherwise blank for distance sensitivity
The priority channel is selected
The radio is receiving
The Shift key has been pressed
The SAME alert setting is ‘ON’
Channel scanning in operation
This channel is being skipped in the scan
Tri watch mode
The radio is transmitting
USA channel bank is selected
Auto Switch is set to OFF
Getting started | RS90S User Manual
Voice recording is ON
| 19

Modes

The RS90S has several different modes of operation. The main mode is standby mode, during which the radio is ready to send or receive VHF calls. Generally, pressing the [X] key will exit any special mode and return to standby mode.
Scanning mode
In scanning mode, the radio scans selected channels for radio activity.
Navigation mode
Navigation mode displays distance and bearing to a selected waypoint.
Hailer mode
Hailer mode allows you to use the radio to hail other vessels or deck crew through a connected loud-hailer speaker.
Hailer mode also features a listen-back mode, which uses the PA speaker as a microphone to listen for a response.
Fog horn mode
Fog horn mode allows you to use the radio to sound a fog horn tone through a connected loud-hailer speaker.
20 |
Intercom mode
Intercom mode allows you to use the handsets to communicate from one handset to the others in your vessel.
Standby Mode
In standby mode, the RS90S displays the main operating screen on the handset(s) and is ready to send or receive calls on the selected channel.

Changing channel

Different jurisdictions in the world have allocated different sets of VHF radio channels for different purposes. These sets are known as channel banks. The available channel banks and their corresponding channels are given in “Appendix 7 - Channel charts” on page 119.
Getting started | RS90S User Manual
Normally the radio should be left tuned to the priority channel CH16 (CH16 or CH09 (US models)) in case an emergency call is broadcast on that channel. The RS90S can also be set to monitor several channels at the same time. In this case, the radio continuously scans the selected channels and, if activity is heard on a channel, it will switch to that channel while the activity continues. Then it will revert to scanning. See “Scanning channels” on page 29.
You can use one of the following methods to change channel:
Press [16/9] to switch immediately to the priority channel (see
“Priority channels” below).
Press or until you reach the required channel number.
Press and hold or to rapidly scroll through the channel
numbers. When the number you require is displayed, release the key.
Input the number on the keypad (wired handset only), and when
the required channel number is flashing on screen, press [OK], or wait for 2 seconds for the number to be accepted automatically. When entering a single-digit channel number, prefix the channel number with 0.
Repeat press [3CH] to scroll through your three favourite channels.
See “Three favourite channels 3CH” on page 29.
Press [WX] and then or to tune to a weather station (US model
only). See “Receiving weather alerts (US model only)” on page 27.
Press [WX] to go directly to a set favourite channel (EU models only).
16 / 9
Priority channels
Channel 16 is the international emergency priority channel. On Channel 16, operators must give priority to any emergency calls occurring on that frequency. In the US, Channel 9 is also an emergency priority channel.
To switch directly to Channel 16 (or Channel 9 if congured):
Press the 16/9 button.
¼ Note: The default emergency channel is CH16. On US models,
you can change the default emergency channel to CH9 by holding down 16/9 until the unit beeps and displays 09. Repeat the procedure to change back to CH16 as the default emergency channel.
Getting started | RS90S User Manual
| 21

Adjusting squelch

The squelch adjustment allows you to adjust the sensitivity of the radio so that background noise is minimized. In areas of high static noise, such as close to large cities, you can improve quality of reception by adjusting the squelch.
Use the and keys to adjust the level up or down respectively.
Adjust the level until the background noise just disappears.
¼ Note: You can also adjust the sensitivity of the VHF receiver using
the Local/Distance setting. See “Radio sensitivity” on page 108.

Setting transmission power

The RS90S has two transmission power settings: High 25 W (Hi) Low 1 W (Lo)
To change the power setting:
Press and hold [H/L] until the Hi or Lo icon on the display changes.
¼ Notes:
Channel 16 always remains in high transmission power.
Some channels allow only low-power transmissions. If you try to
change to high power, the RS90S will sound an error beep.
Some channels allow only low power transmissions initially, but can
be forced to high power by holding down [H/L] and PTT at the same time.
See “Appendix 7 - Channel charts” on page 119 for a list of channel
data.
22 |
Getting started | RS90S User Manual

PTT Key

16
16
The Push to Talk (PTT) key activates the microphone and transmits your voice over the selected channel.
¼ Notes:
Pressing PTT while a menu is displayed will exit the menu without
making any selection.
DSC transmission has higher priority than PTT voice transmission.
During PTT transmission, the radio cannot receive a DSC call.
If PTT gets stuck or accidentally held in the talk position, a built-in
timer sounds an error beep and shuts down the transmission after 5 minutes.

Using the menus

Hi
DSC
C
DSC SETUP
USER MMSI GROUP SETUP INDIV REPLY DSC FUNC
Hi
DSC
C
MENU SELECT
WAYPOINT N2K D ATA VOICE REC BACKLIGHT
PRI
USA
PRI
USA
The [CALL/MENU] button provides access to two different menus as follows:
Short press to access the DSC menu.
Long press (press and hold) to access the main menu.
To use the menus:
Use or to scroll to the option you want.
Press [OK] to select a menu option, or
Press [X] to go back without selecting an option.
¼ Note: If the radio is left in menu mode, after a default time of
10 minutes, it beeps a warning and then automatically returns to standby mode.

Shortcut keys

The RS90S wired handset keypad includes a SHIFT key that modifies the function of some keys.
Press [SHIFT] to display the shift icon (S), and then press the number
key to access the required function.
SHIFT + 2 Press [SHIFT], then press 2 to access the AIS SETUP menu.
SHIFT + 3 Press [SHIFT], then press 3 to access the external speaker ON/OFF.
SHIFT + 4 Press [SHIFT], then press 4 to access the Waypoint menu.
Getting started | RS90S User Manual
| 23

Entering data

Entering data with a wired handset
Enter data using the keypad. The first press of a key inputs the number corresponding to the key; subsequent presses input letters of the alphabet as indicated on the key. For example, 2, A, B, and C are typed using the same key.
After a short pause, the cursor automatically jumps to the next space; or, you can press [OK] to move to the next space immediately.
¼ Note: Characters can only be entered in upper case.
To replace a character:
Use the and ►keys to move the cursor to the character. You can
then type over the character.
To nish entering data:
Press [OK] repeatedly to reach the end of the line. The cursor will then move to the next input required, or a save/cancel option will be displayed for you to select as required.
¼ Note: You can press [X] at any time to go back one step.
Entering data with a wireless handset
24 |
Use the ▲and ▼keys to scroll through the available characters, and then press [OK] to select the required character.

Warning messages

See “Appendix 4 - Warning Messages” on page 113.

Alert tones

See “Appendix 3 - Beep tones and call alerts” on page 113.
Getting started | RS90S User Manual
3

Operating procedures

Making a routine radio call

Making a routine ship to ship or ship to shore call.
1. Select a calling channel.
See “Changing channel” on page 20.
2. Listen to make sure that there is no traffic on the channel.
3. Hold down [PTT] and announce the station you want to contact
and your own vessel’s details. When you have finished speaking, say “Over” and then release [PTT].
4. When you receive a reply on the calling channel, agree a working
channel.
5. Change to the working channel.
6. Continue the conversation:
Hold down [PTT] while you are speaking.
Release [PTT] while you are listening.
7. When finished, press [16/9] to return to the radio watch channel.
¼ Note: When you call a coast station, the coast station operator
normally states a suitable working channel.

Calling a buddy

You can call a buddy using their MMSI on the DSC system. For further information, see “Introduction to DSC” on page 40.
Operating procedures | RS90S User Manual
| 25

Making a channel 16/9 distress call

1. If not already on the priority channel, press the [16/9] key.
16 / 9
2. Listen to make sure there is no traffic on the channel.
3. Hold down [PTT] and announce your distress call.
4. Say your call sign, details of your vessel, its position and the nature of
the distress.
5. Say “over” and then release [PTT] when you have finished speaking.
6. Allow a short time for a reply.
7. If you don’t hear a reply, repeat the distress call (steps 3 to 6 as
above).
8. When you receive a reply, continue the conversation:
Hold down [PTT] while you are speaking.
Release [PTT] while you are listening.
You may be asked to change to a working channel.
¼ Notes:
26 |
In the USA, you can toggle between Channel 16 and Channel 9 as
the priority channel. Hold down [16/9] until a beep sounds and the required priority channel is displayed.
This feature needs to be setup in the radio settings (“Setting the
priority channel” on page 90).

Making a DSC distress call

Using the DSC system (where available) you can make a distress call by pressing a single Distress button. For further information, see “Introduction to DSC” on page 40.
Operating procedures | RS90S User Manual

Receiving weather alerts (US model only)

The National Oceanic and Atmospheric Administration (NOAA) provides several weather forecast channels on USA and Canadian channel banks. If severe weather is forecast, the NOAA broadcasts a weather alert on 1050 Hz.
To access weather alerts:
1. Short press [WX] to enter WX mode.
2. Press or to change WX channel.
3. If WX TONE ALERT setting is ON (see “Setting up weather tone
alert” on page 91), the radio will monitor the WX channel you select. If an alert tone is broadcast from the NOAA weather station, the weather alert is picked up automatically and the RS90S alarm sounds. Press any key to cancel the alarm and to hear the weather alert message.
4. When finished, press [WX] again or [X] to exit WX mode.
¼ Note: In WX mode, the Wx icon appears on screen.

Receiving SAME alerts (US model only)

The NOAA All Hazards Weather Radio Service (NWR) works in conjunction with the Emergency Alert System (EAS) to issue weather alerts for specific geographic areas or weather warnings. It uses a digital encoding system known as Specific Area Message Encoding (SAME) to broadcast these alerts.
Each transmitter in the NWR network is identified with a unique 6-digit SAME code.
If SAME is enabled and the 6-digit country IDs you want to monitor have been entered, the radio will sound the weather alarm when it detects a weather alert on the selected weather channel.
For SAME alert setup, see “Setting up SAME alert” on page 92.
Operating procedures | RS90S User Manual
| 27
Receiving a SAME ALERT
If SAME ALERT is ON and an NWR or EAS alert for your geographic area is broadcast, the RS90S detects the alert signal and sounds the alarm.
Press any key to cancel the alarm.
If the alert is being sent by NOAA NWR, the radio automatically
tunes to the designated frequency so that you can listen to the alert.
If the alert is being sent by the EAS, the nature of the alert is shown
on screen as WARNING, WATCH, ADVISORY, or TEST.
Press any key to show the nature of the alert.
¼ Note: The list of alerts is shown in “Appendix 3 - Beep tones and call
alerts” on page 113.
Receiving SAME TEST messages
In addition to the WARNING, WATCH and ADVISORY alerts, the EAS also send out TEST messages so that you can check that your WX ALERT setup is working correctly. The TEST message is usually transmitted between 1000 and 1200 (10.00AM and noon) every Wednesday.
If your WX ALERT setup is working correctly, the alert sounds and TEST is displayed on screen, followed by a broadcast message from the National Weather Service.
28 |
¼ Note: If there is a threat of severe weather, the test will be
postponed until the next fine weather day.

Favourite channel (non-US models)

In standby mode, press [WX] to access your favourite channel, press again or [X] to go back to the last working channel.
¼ Notes:
To set up the favourite channel, see “Setting up a favourite channel”
on page 91.
You can store just one channel as the favourite channel. It can, for
example, be a weather reporting station.
Operating procedures | RS90S User Manual
Lo
03
16
DSC
OVER WRITE CH3?
YES NO
Hi
DSC
3CH MODE DELETE CH1?
YES NO

Three favourite channels 3CH

Once set up, you can use the three favourite channels in two ways:
Repeat press [3CH] to toggle between your three favourite channels,
or
Scan the three channels and the priority channel.
To add a favourite channel:
To add a favourite channel for the first time, select that channel then
hold 3CH to store it in the CH1 location.
You can repeat the procedure to store two more favourite channels
A
USA
D
CH1
USA
in the CH2 and CH3 locations respectively.
Once the three locations are full, if you try to add another favourite
channel, the radio will overwrite the CH3 location after prompting you to confirm.
To delete a favourite channel:
Select that channel and then hold down [3CH]. The radio will
remove that favourite channel after prompting you to confirm.
To toggle between your three favourite channels:
Press [3CH] to enter 3CH mode.
The radio displays “3CH MODE” and CH1, CH2, or CH3 to show
which of your favourite channels is currently selected.
Repeat press [3CH] to switch between the three channels.
To exit 3CH mode:
Press [X].

Scanning channels

The RS90S can automatically monitor more than one channel at the same time. It scans a selected range of channels, and when a valid signal is received, the radio stops scanning and remains on that channel so that you can hear the communication. However, if the signal from the channel ceases for more than 5 seconds, the scan automatically restarts.
Four scan modes are provided:
All scan
Scans all available channels in sequence, but also checks the priority channel every 2 seconds.
Operating procedures | RS90S User Manual
| 29
Dual watch scan
Scans the selected channel and channel 16.
3CH scan
Scans your three favourite channels and the priority channel.
Tri watch scan (US models only)
Scans the current channel, channel 16 and channel 9.
ALL SCAN mode
Hold down [SCAN] for about 3 seconds to start ALL SCAN mode. The radio displays the SCAN icon and “ALL SCAN.” You will see the channel numbers changing.
If you hear a communication of interest, press [SCAN] or [PTT] to
stop at the currently scanned channel.
Press [X] to quit scan mode and return to the previously selected
channel.
¼ Notes:
Scan is not allowed in some EU countries.
If TONE ALERT or SAME is enabled (US models only), the weather
channel is also scanned.
Skipping busy channels
30 |
If one channel is always busy with traffic, you can set the radio to skip that channel during scanning.
To skip a channel:
While the channel is displayed during scan, press [OK] to skip over it.
To resume scanning a skipped channel:
With scanning OFF, as you scroll up and down through channels, the
SKIP icon will be displayed when you are on a skipped channel. With the SKIP channel selected, press [OK] to cancel the SKIP function.
¼ Notes:
You cannot skip the priority channel.
The SKIP icon will disappear when the radio is powered OFF/ON.
Operating procedures | RS90S User Manual
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