Do you have a question about the SAILOR 7222 VHF DSC and is the answer not in the manual?
Questions and answers
Dimitar Dimitrov
May 24, 2025
How to select channels from 20 to 27
1 comments:
Mr. Anderson
May 26, 2025
To select channels 20 to 27 on the COBHAM 7222 VHF DSC:
1. Go to the CHANNELS menu. 2. Choose the appropriate CHANNEL MODE (e.g., INT, BI, US, CA, ALT) to view the desired channel table. 3. Use the channel selector knob to scroll to channels 20 through 27 within the selected table. 4. Tap the desired channel to select it.
Note: If the channels are in the ALT or PRIVATE tables, they must be added manually, and access may be password protected.
This answer is automatically generated
Vasudev
May 13, 2025
How to set Triple watch
1 comments:
Mr. Anderson
May 21, 2025
To set Triple Watch on the COBHAM 7222 VHF DSC:
1. Tap the WATCH key on the display. 2. Select TRIPLE WATCH. 3. The radio enters Triple Watch mode, and the text "WATCH" with the watched channel numbers appears below the current channel.
In Triple Watch mode, the radio monitors the working channel, channel 16, and the programmed call channel.
This answer is automatically generated
Vlad
May 3, 2025
How to check if MMSI number is input into a particular device?
1 comments:
Mr. Anderson
May 17, 2025
To check if the MMSI number is input into the COBHAM 7222 VHF DSC device, power on the radio. If the MMSI number has not been entered, the device will prompt you to enter it and will continue to prompt at each power-up until it is entered. After the MMSI number is entered, it is briefly displayed after power-up. If there is an error when trying to use any DSC function or the Distress button does not work, the MMSI number has likely not been programmed.
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SAILOR 7222 VHF DSC User manual Document number: 98-171832-A Release date: July 2, 2021...
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In the event of any discrepancies, the English version shall be the governing text. Thrane & Thrane A/S is trading as Cobham SATCOM. Manufacturer Thrane & Thrane A/S, Lundtoftegårdsvej 93D, 2800 Kgs. Lyngby, Denmark...
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SW Technology/GPL Compliance, Cobham SATCOM (Thrane & Thrane A/S), Lundtoftegaardsvej 93D 2800 Lyngby DENMARK Write "source for product SAILOR 7222 VHF DSC" in the memo line of your payment. This offer is valid to anyone in receipt of this information. https://www.cobhamsatcom.com/legal/free-and-open-source-software-foss/ 98-171832-A...
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RF exposure hazards and instructions Your Cobham SATCOM radio set generates electromagnetic RF (radio frequency) energy when transmitting. To ensure that you and those around you are not exposed to excessive amounts of energy and thus to avoid health hazards from excessive exposure to RF energy, all persons must be at least 200 cm away from the antenna when the radio is transmitting.
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Alerte de sécurité Dangers liés à l'exposition aux fréquences radio et instructions Conformément à la réglementation d'Industrie Canada, le présent radio émetteur ne peut fonctionner qu'avec une antenne de type omnidirectionnelle, demi-onde ou d'un gain maximal de 4 dB, approuvée par Industrie Canada.
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Emergency calls L L L L L if if if if ift C t C t C t Cov ov ov ov over er er er er P P P P P r r r r r e e e e e s s s s s s RED Button s RED Button s RED Button s RED Button...
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The following mitigation is to be observed: • Software updates and changes in the protected setup menu is only to be performed by Cobham-authorized personnel. • The service interface must not be exposed directly to the Internet. • If Internet access to the VHF radio is enabled, the interface must be protected with a network security device such as a firewall.
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Training information The SAILOR 7222 VHF DSC is designed for occupational use only and is also classified as such. It must be operated by licensed personnel only. It must only be used in the course of employment by individuals aware of both the hazards as well as the way to minimize those hazards.
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Warning, radiation Your Cobham SATCOM radio set generates electromagnetic RF (radio frequency) energy when it is transmitting. To ensure that you and those around you are not exposed to excessive amounts of that energy (beyond FCC allowable limits for occupational use) and thus to avoid health hazards from excessive exposure to...
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Important Not all installation information and instructions are covered in this manual. Please download the SAILOR 7222 VHF DSC Installation manual at https://sync.cobham.com In the installation manual you can read how to mount the VHF radio and how to connect accessories and external equipment, including detailed system configuration examples with cable specifications.
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Contents Chapter 1 Introduction VHF radio with DSC Class A .................. 1 Accessories available ....................4 System configuration - example ................ 7 Chapter 2 Operation General use and navigation ................10 VHF radio communication .................. 17 Watch ..........................20 Scan ............................
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Contents Appendix B Maritime channels International channels (INT) ................65 US channels (US) ......................66 Canadian channels (CA) ..................67 Binnenwasser channels (BI) ................68 Alternative channels (ALT) .................. 69 Private channels (P) ....................69 Glossary ..............................71 Index ..............................75 98-171832-A...
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Exceeding standards set by IMO regulation for GMDSS Class A VHF, the August 2021 introduced Bridge Alert Management IMO resolution MSC.302(87), as well as IEC 62923-1 & IEC 62923-2, the SAILOR 7222 VHF DSC Class A is a robust platform for when clear communication could make the difference between a non-event and a major incident.
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VHF radio with DSC Class A Ethernet interface connects the Control Unit with the Transceiver Unit, and enables the VHF radio to be connected to other units in a local network. Instead of the touch screen on the Control Unit, you can also connect a PC or other device with a browser for setup and control via the web interface.
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VHF radio with DSC Class A SAILOR 7222 VHF DSC display The picture shows the display after start-up. The display holds various fields of information, depending on the currently selected function. 1. UTC time. 2. MMSI number. 3. Position information (latitude and longitude).
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406204A-00500 With the SAILOR 6204 Control Speaker Microphone (CSM) you can control the VHF voice functions of the SAILOR 7222 VHF DSC. 406207A-00500 The SAILOR 6207 Connection Box for parallel Handsets including Connection Cable 406209- 941 is used for easy installation of several SAILOR 6201/SAILOR 6203 Handsets.
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SAILOR 6207 or SAILOR 6209 Connection Box in installations where the handset is not connected directly to the SAILOR 7222 VHF DSC, but located in a different position. 5m connection cable, 1x10 pole: Use this cable to connect...
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With the SAILOR 6103 Multi Alarm Panel you can activate GMDSS Distress Alarms. The Multi Alarm Panel can be connected to the SAILOR 7222 VHF DSC via the Ethernet interface (LAN connector). 406197A-00500 The SAILOR 6197 Ethernet Switch is used in...
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System configuration - example System configuration - example The SAILOR 7222 VHF DSC can be customized to suit your installation. The following illustration is one example of a system. For further configuration examples see the installation manual, Appendix B, System configurations.
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System configuration - example Chapter 1: Introduction 98-171832-A...
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Chapter 2 Operation Note Before using the VHF radio make sure that the VHF and DSC antennas, power cable and other external equipment are connected properly. For installation instructions see the SAILOR 7222 VHF DSC, Installation manual. In this chapter you find detailed instructions and guidelines for: •...
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General use and navigation Introduction The SAILOR 7222 VHF DSC consists of two units: The SAILOR 7224 Control Unit (called Control Unit in this manual) and the SAILOR 7226 VHF Transceiver Unit. The Control Unit holds the user interface and is used to control the system.
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General use and navigation Working channel and dimming the display Use the channel selector knob to select a channel, or to dim the light in the display: • To select a working channel use the channel selector knob or enter the channel number using the on-screen keypad. Note A tap on the 16/C on-screen key always brings you to channel 16, the international calling and distress...
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In idle mode, the DSC window always shows the UTC time, position and MMSI number for the SAILOR 7222 VHF DSC radio. Enter position manually (no GNSS) If you need to enter the vessel’s position and UTC of position manually, do as follows: 1.
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General use and navigation Idle screen (Home) Idle screen Below is the idle screen with explanation of the various fields. You can always return to the idle screen by tapping Volume mute Own MMSI Alive indicator Working channel Current position Time of position Current position...
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General use and navigation Menu functions in display A number of functions of the SAILOR 7222 VHF DSC are accessed using the on-screen keys in the right side of the display. The following on-screen key functions are available from top-level standby:...
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To return to day vision push the channel selector knob briefly and turn it clockwise until the display changes and it reaches the desired brightness. The radio has four color themes: Dark, Light, Cobham and Night. To change the color theme see SYSTEM on page 49.
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General use and navigation Use with a SAILOR 6204 Control Speaker Microphone When a SAILOR 6204 Control Speaker Microphone is connected to the radio, you can operate the radio with the Control Speaker Microphone. An OCCUPIED message is shown in the radio's display. At any time you can take control over the VHF radio by touching the screen or pushing any button on the radio.
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VHF radio communication VHF radio communication Basic VHF operation You can make VHF calls using the Handset or another speaker device. Note A tap on the 16/C on-screen key always brings you to channel 16, the international calling and distress channel, no matter what state the radio is in.
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VHF radio communication Making a radio telephone call on channel 16 To make a radio telephone call, proceed as follows: 1. Select channel 16. 2. Lift the Handset or take another speaker device. 3. Push the PTT button. The symbol TX shows that the VHF radio is transmitting on the working channel displayed.
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VHF radio communication VHF channel Description table Primary channels For details see Maritime channels on page 65. For (no prefix) instructions how to change a channel table see CHANNELS on page 42. Weather channels have the prefix W. (For US and CA Weather (Wn) channels only.) Private channels have the prefix P.
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Tap the on-screen key 1W/25W to toggle the transmit power between 1 W and 25 W. Watch The SAILOR 7222 VHF DSC radio has a watch function with dual or triple watch. In dual watch, the working channel and channel 16 are watched.
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Scan Scan The radio has a scanning function for tagged voice channels. Any available voice channel, including weather and private channels, can be tagged and added to the scanning sequence. As default the radio scans with priority scanning of channel 16.
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DSC calls DSC calls In this section of the manual you find information on: • View and manage DSC calls • Send, acknowledge and cancel own distress • DROBOSE — Distress Relay on behalf of someone else • Receiving distress calls •...
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DSC calls Session line: The DSC Session line can be one of the following: Session line Explanation OWN DISTRESS The ship is in own distress. See also To send a distress message on page 28. DISTRESS RX You watch or participate in a distress communication for another station in distress DISTRESS RX (MOB) You watch or participate in an MOB distress...
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DSC calls Session status: The session status can be one of the following: Session status Explanation WAIT FOR You made an individual call to a station and are ACKNOWLEDGE awaiting a reply to establish connection. OCCUPIED The DSC transmission mechanism waits until the DSC channel (70) is free.
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DSC calls On-screen keys to control DSC sessions Call or session types vary in control options, and options may also change if a session changes its state. The following table gives an overview of the DSC on-screen key commands available for a current session. Note that only a subset of these keys are available, depending on the session type, state etc.
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DSC calls On-screen key — Radio function DSC session PAUSE (Own Pauses the automatic repetition of distress Distress) transmissions RESUME (Own Resumes automatic repetition of distress Distress) transmissions (if paused) Distress acknowledgment. RELAY Distress Relay on behalf of someone else. CANCEL (Cancel Cancels an inadvertently transmitted distress Own Distress)
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DSC calls Access all DSC sessions The SAILOR 7222 VHF DSC can control multiple DSC sessions simultaneously with a VHF communication session. All sessions can keep track of their session state and the communication channel used. They are handled in their respective sessions, in the order they are started up.
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DSC calls Send, acknowledge and cancel own distress To send a distress message 1. Lift the cover of the red distress button and push and hold the distress button for longer than 3 seconds. For short step-by- step instructions how to proceed when sending a distress message see Emergency calls on page vi.
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DSC calls • Nature: shows the nature of distress, see also ALERT: To send a distress message with specified nature. • LAT: and LON: shows the distress position data as transmitted. • Elapsed time: Time elapsed after initiation of own distress. •...
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2. Tap Yes to go ahead with the canceling process. At this stage you have the option to tap No to return to distress sending procedure. 3. The SAILOR 7222 VHF DSC will send the self-cancellation call on channel 70 and the display automatically shows the message that you should say when canceling the distress with a radio message.
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DSC calls Sending a Distress from the SAILOR 6103 Multi Alarm Panel The optional SAILOR 6103 Multi Alarm Panel will, when connected to the VHF radio, indicate in the SAILOR 6103 Multi Alarm Panel display that a Distress can be sent over VHF. To send a Distress alert from the SAILOR 6103 Multi Alarm Panel, do as follows: 1.
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DSC calls DROBOSE — Distress Relay on behalf of someone else To send a distress message on behalf of someone else, do as follows: 1. From top-level standby tap DROBOSE. 2. Tap one line at a time and enter the necessary information using the on- screen keypad: Relay items Description...
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4. Tap < to leave the event history. Receiving distress calls from Man Over Board devices The SAILOR 7222 VHF DSC supports specific handling of Man Over Board devices (MOB). The MOB device can operate in a closed loop configuration (sending distress relay calls) and/or open loop mode (sending distress calls).
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DSC calls Tap DSC and select the relevant session in the left side. At the top of the session details you can see the number of MOB sessions (in the example we are watching MOB session 1 out of 50). Browse through all MOB devices using the <...
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DSC calls DSC calls for communication With a DSC call you can establish a radio communication with one or several specific radios on a suggested VHF channel. 1. Make a DSC call from Radio A to Radio B. 2. DSC acknowledge from Radio B to Radio A. 3.
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DSC calls 5. In the field CHANNEL: enter the suggested VHF channel for following communication. 6. Tap SEND to make the call. Receiving DSC calls If the radio is in stand-by mode, i.e. not engaged in another session, and a DSC call is received the call details are shown on the display.
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Replay function Replay function Replay allows the operator to playback received voice messages in the loudspeaker. Recording is activated automatically when a chosen channel becomes active. Recording is not possible during playback. Up to 60 tracks or 480 seconds can be handled. During a power cycle the recorded tracks are deleted.
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Settings requiring a password are marked with a lock icon You can see these settings without a password, but you cannot edit them. For more detailed information on these settings, see the SAILOR 7222 VHF DSC, Installation manual. 3. Tap to go one step back, or to return to normal radio operation.
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FACTO RY RESE T SAV E CONFIGURATION LOA D CONFIGURATIO N CHA NG E PASSWORD PRINTER INA CTIVITY TIMEOUT THE ME [LIGHT, DARK, COBHAM, NIG HT] REBOO T ACTIVA TE CONTROL UNIT TRA NS CE IVE R UNIT APP RO VALS...
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Settings RADIO Parameter Description SCAN HANG Scan hang time, in seconds on an active receiving working channel. TIME The time is measured from the signal is detected. The radio remains on the channel for the set time interval, if a signal was detected.
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Settings CONTROLLER Each of the controlling devices connected and powered has its own setting. The available settings may vary from controllers applied. Parameter Description HANDSET VOLUME Adjust earpiece volume for handset 1: ON, can be adjusted from OFF to 100, in steps of 5. EXT.
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Settings CHANNELS Parameter Description CHANNEL Select CHANNEL MODE to select the channel table for the MODE primary channel. Channel tables available: INT, BI, US, CA, ALT. See also VHF channel table on page 19. Below CHANNEL MODE all the channel tables are listed CALL CHANNEL The call channel for the selected channel table is displayed and can be changed at the top of each channel table.
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Settings Editable properties for the channels in each channel table: Property Private DESIGNATOR NAME 25 W ALLOWED TX BLOCK ATIS PROPOSE FOR FREQUENCY FREQUENCY AVAILABILITY Add or delete channel 98-171832-A Chapter 2: Operation...
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Settings Parameter Description MMSI The MMSI of the radio. 9 digit numerical (Default: Not set, password protected if set). See the installation manual for a step- by-step description. GROUPS Shows DSC groups. You can add, edit and delete groups here. Each entry in a group consists of MMSI, name and enabled/disabled.
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Settings Parameter Description AUTO-ACK Auto-acknowledgment: • Test: Auto-acknowledgment of test DSC messages. Disabled or Enabled (default) • Poll: Auto-acknowledgment of polling DSC messages. Disabled or Enabled (default) • Position: Auto-acknowledgment of position DSC messages. Disabled (default) or Enabled • Individual: Auto acknowledgment of individually addressed, non distress DSC messages with channel unavailable for communication.
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Settings Parameter Description • ON: This option is available in DSC calls of the type Urgency. NEUTRAL • OFF (default) CRAFTS • OFF: Automatic channel switching is disabled, icon LCK will be AUTO visible in stand-by mode. CHANNEL • ON: Automatic channel switching is enabled (default) SWITCH PRINT DSC For printing of DSC messages on a printer connected to the system.
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Settings NMEA Parameter Description LWE TALKER CVnnnn, default: Random generated ID Use the on-screen keypad to type in the correct ID (typically done during installation) • LWE: BRIDGE ALERT ON (default) or OFF MANAGEMENT • Multicast group (if LWE=ON): (BAM) BAM1 (default), BAM2, RCOM or USR1-8 •...
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Settings NETWORK There are 3 LAN connectors on the Control Unit. The LAN connector closest to the USB connector is the Service port, e.g. used for accessing the settings of the Control Unit and for connection to an external network, the two leftmost LAN connectors are for connecting other units in a local network.
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Settings SYSTEM Parameter Description • USB Mass Storage: Select a tiif file from a connected USB SOFTWARE device. UPDATE • Upload: Select a tiif file from a connected PC. PAIRING If not paired: Opens a list of all nearby transceiver units (TU) with •...
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TIMEOUT return to the application. Range: 1 to 30 minutes, in 1 minute steps Default: 10 min. THEME Changes the display color: • Light (default) • Dark • Cobham • Night REBOOT Reboots the VHF radio Chapter 2: Operation 98-171832-A...
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Settings REMOTE CONTROL When you activate Remote control, you can access the graphical user interface from any unit with a browser installed. Note If you access any of the controls on the physical Control Unit while remote control is used, the remote control is deactivated and you have to activate it again to be able to use it.
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Maintenance Preventive maintenance Maintenance of the SAILOR 7222 VHF DSC can be reduced to a maintenance check at each visit of the service staff. Inspect the radio (Control Unit and Transceiver) for mechanical damages, salt deposits, corrosion and any foreign material.
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Maintenance Disposal Old electrical and electronic equipment marked with this symbol can contain substances hazardous to human beings and the environment. Never dispose these items together with unsorted municipal waste (household waste). In order to protect the environment and ensure the correct recycling of old equipment as well as the re-utilization of individual components, use either public collection or private collection by the local distributor of old electrical and electronic equipment marked with this symbol.
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Status signaling Status signaling Information of alerts Errors and warning messages are shown in the display and are read-only. List of alert icons Warning: Active acknowledged alert Caution: Alert Warning: Active transferred alert Warning: Active unacknowledged alert, silent Warning: Active unacknowledged alert Status OK, no active alerts Warning: Inactive unacknowledged alert, rectified 98-171832-A...
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Status signaling List of alerts The table below shows the alerts you may see in the Bridge Alert Management (BAM) system. Instance Priority Category Title Description 3023 PS COMM Lost Power supply communication lost 3023 BATT VOLT Low Battery and charger. Voltage below limit 3023 BATT VOLT High...
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Replacing the fuse in the Transceiver Unit Replacing the fuse in the Transceiver Unit One fuse is installed in the Transceiver Unit. If the fuse is blown, do as follows: 1. Track down why the fuse was blown and solve the problem. 2.
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COBHAM SYNC PARTNER PORTAL, www.cobhamsatcom.com which may help you solve the problem. Your dealer, installer or Cobham SATCOM partner will assist you whether the need is user training, technical support, arranging on-site repair or sending the product for repair. Your dealer, installer or Cobham SATCOM partner will also take care of any warranty issue.
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Appendix A Specifications SAILOR 7226 VHF Transceiver Unit Item Specification Weight 1.5 kg (3.3 lbs) Dimensions Height: Outer dimension 161 mm Width: Outer dimension 306 mm Depth: Outer dimension 51 mm Operating temperature -15°C to 55°C (5°F to 131°F) Storage temperature -25°C to 70°C (-13°F to 158°F) Ingress Protection IP20...
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SAILOR 7226 VHF Transceiver Unit Item Specification Frequency range Voice: 156.000 MHz — 164.000 MHz DSC: 156.525 MHz Channel spacing 25 kHz, all international maritime channels Number of P channels The radio may be programmed with up to 100 private channels in all channel modes.
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SAILOR 7224 Control Unit Item Specification Intermodulation response 76 dB Co-channel rejection Better than -10 dB Adjacent channel 80 dB selectivity Blocking response Better than 100 dBV @ ±1 MHz Receiver @ DSC Sensitivity -117 dBm Adjacent channel Below 80 dB selectivity Intermodulation response Better than 70 dBV...
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SAILOR 7224 Control Unit Item Specification Ingress Protection IP54 when flush-mounted (Estimated, only front exposed) IP20 for other installation (whole unit exposed) Power supply +24 V DC nom. (-10% / +30%) Power consumption 10 W @ 24 VDC standby 33 W @ 24 VDC max Heat dissipation 8.5 to 15 W Display...
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General DSC specifications General DSC specifications Item Description DSC operation According to: - ITU-R M.493.15 - ETSI EN 300 338-1 - ETSI EN 300 338-2 DSC protocol According to Rec. ITU-R M.493-13 - Class A, IEC 61097-3 and IEC 61097-8 Navigator interface According to IEC 61162-1 GLL, RMC, ZDA, GGA, VTG, GNS Modulation...
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General DSC specifications Appendix A: Specifications 98-171832-A...
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Appendix B Maritime channels International channels (INT) SIMPLEX DUPLEX SIMPLEX DUPLEX Channels Channels Intership Port Port Public Intership Port Port Public 156,050 160,650 156,025 160,625 156,100 160,700 156,075 160,675 156,150 160,750 156,125 160,725 156,200 160,800 156,175 160,775 156,250 160,850 156,225 160,825 156,300 156,300 156,275 160,875 156,350 160,950...
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Binnenwasser channels (BI) Binnenwasser channels (BI) SIMPLEX DUPLEX SIMPLEX DUPLEX Channels Channels Intership Port Port Public Intership Port Port Public 156,050 160,650 156,025 160,625 156,100 160,700 156,075 160,675 156,150 160,750 156,125 160,725 156,200 160,800 156,175 160,775 156,250 160,850 156,225 160,825 156,300 156,300 156,275 160,875 156,350 160,950...
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Alternative channels (ALT) Alternative channels (ALT) If the radio is used in regions where neither of the four described standard channels are allowed, an alternative channel table with international channel designators and frequencies can be made. Contact your local dealer for programming or alteration of the alternative channels.
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Glossary Glossary Automatic Identification System, a short range coastal tracking system used on ships and by Vessel Traffic Services for identifying and locating vessels by electronically exchanging data with other nearby ships. Application Programming Interface ATIS Automatic Transmission Identification System Bridge Alert Management (BAM) is a concept, defined by the IMO, for the management, handling and harmonized presentation of alerts on the bridge.
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Glossary Federal Communications Commission GNSS Global Navigation Satellite System General Public License, Software license, which guarantees individuals, organizations and companies the freedom to use, study, share (copy), and modify the software. Graphical User Interface International Maritime Organization Local Area Network LGPL Lesser General Public License Light Weight Ethernet...
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Glossary Universal Serial Bus. Universal Time, Coordinated Voyage Data Recorder Very High Frequency Zeroconf Zeroconf is a a set of technologies that automatically creates a usable computer network based on the Internet Protocol Suite (TCP/IP) when computers or network peripherals are interconnected. 98-171832-A...
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Index Index Numerics call distress procedure, 16/C, DSC, call channel, programming, acknowledgment, distress, canceling activate distress, scan resume, change scanning, dual and triple watch, watch, channel adjust add to scan, speaker volume, remove from scan, squelch, select, Alarm Panel working, manual, channel selector knob, alarm panel...
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Index Control Speaker Microphone DSC window, override, dual watch controls, front plate, change to triple, deactivate Emergency call sheet, watch, emergency calls, default reset, engagement status, dim, enter position manually, display, EPIRB display color nature in DROBOSE, change, error messages, distress acknowledgment, canceling,...
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Index private channels, PTT button, louder, volume, low power set to 1 W, radio call making, receiving, manual, document number, radio transmitter maritime channels, control, MAYDAY, control over, medical transport, received distress calls, message reduced transmission power, replay, relay monitor power supply, distress message on behalf of multiple calls, DSC, someone else,...
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Index setup triple watch system, change to dual, watch, simplex, soft key, US channel table, ALERT, UTC time DISACK, enter manually, FILTER, RELAY, TAG, softer, volume, channels, speaker volume, frequency range, speaking devices, volume specifications, louder, squelch, softer, squelch control, speaker, squelch knob, volume knob,...
Need help?
Do you have a question about the SAILOR 7222 VHF DSC and is the answer not in the manual?
Questions and answers
How to select channels from 20 to 27
To select channels 20 to 27 on the COBHAM 7222 VHF DSC:
1. Go to the CHANNELS menu.
2. Choose the appropriate CHANNEL MODE (e.g., INT, BI, US, CA, ALT) to view the desired channel table.
3. Use the channel selector knob to scroll to channels 20 through 27 within the selected table.
4. Tap the desired channel to select it.
Note: If the channels are in the ALT or PRIVATE tables, they must be added manually, and access may be password protected.
This answer is automatically generated
How to set Triple watch
To set Triple Watch on the COBHAM 7222 VHF DSC:
1. Tap the WATCH key on the display.
2. Select TRIPLE WATCH.
3. The radio enters Triple Watch mode, and the text "WATCH" with the watched channel numbers appears below the current channel.
In Triple Watch mode, the radio monitors the working channel, channel 16, and the programmed call channel.
This answer is automatically generated
How to check if MMSI number is input into a particular device?
To check if the MMSI number is input into the COBHAM 7222 VHF DSC device, power on the radio. If the MMSI number has not been entered, the device will prompt you to enter it and will continue to prompt at each power-up until it is entered. After the MMSI number is entered, it is briefly displayed after power-up. If there is an error when trying to use any DSC function or the Distress button does not work, the MMSI number has likely not been programmed.
This answer is automatically generated