The SKANTI VHF 1100 DSC is a professional VHF radiotelephone with a built-in Digital Selective Calling (DSC) Class A unit, designed for merchant vessels, fishing ships, and other professional users. It integrates VHF and DSC functionalities into a single compact unit, making it suitable for vessels with limited space and ensuring simple, logical operation for GMDSS (Global Maritime Distress and Safety System) equipment.
Function Description:
The device serves as a comprehensive communication platform, offering both verbal VHF communication and digital DSC communication. It supports various call types, including distress, individual, group, all ships, and shore station calls, and allows for direct phone number dialing. The system is designed to constantly monitor channel 70 for incoming DSC calls, ensuring that distress and other important calls are received promptly.
Key Features:
- Integrated VHF and DSC: Combines a professional duplex VHF radio with an advanced DSC Class A unit.
- Ergonomic Control Unit (CU 1100): Features an easily legible graphic LCD display for all-time operation and a back-lit "easy-touch" keyboard for ease of use, even at night.
- Built-in Loudspeaker: A 4-watt loudspeaker is integrated into the control unit.
- Distress Button: A prominent DSC distress button is protected by a hatch to prevent unintentional activation.
- Handset: An ergonomically correct handset is integrated for complete VHF/DSC communication.
- Compact Transceiver Unit: The duplex VHF/DSC transceiver unit has an output power of 25 watts, capable of reaching VHF stations within 40-50 nautical miles.
- SPARC-bus Interface: Enables remote control from handsets placed, for example, on bridge wings.
- Multi-Control Unit Support: The VHF system can connect up to 7 control units, each with a unique location (1-7). Control units can become "master" to operate the transmitter.
- Channel Modes: Supports International, US, and BI (European rivers) channel modes, with automatic ATIS activation in BI mode.
- Scanning: Allows for scanning of channels using memory tables, with pre-programmed tables for intership communication and all channels. Priority scanning is also available, with channel 16 scanned once for every channel in the scan table.
- Dual Watch: Monitors a selected channel and a priority channel (e.g., channel 16) simultaneously.
- Intercom: Facilitates communication between two control units within the system.
Important Technical Specifications:
- Output Power: 25 watts (can be limited to 1 watt on certain channels).
- Display: Graphic LCD display.
- Loudspeaker Output: 4 watts.
- Control Unit to Transceiver Distance: Up to 50 meters in 12V DC installations, up to 100 meters in 24V DC installations.
- Channel System: Public system with 57 channels (CH 1-28 and 60-88), with specific purposes (intership, ship-to-port, ship-to-shore). Special channels include 16 (distress and "all stations" calls), 70 (DSC channel), and 75-76 (guard band for channel 16).
- DSC: Digital Selective Calling Class A, using VHF CH 70 for data transfer.
- MMSI Address Rule: Shore station numbers start with 00, group numbers start with 0, ship numbers start with a digit 1-9.
- Time Synchronization: Automatic if connected to GPS or equivalent, otherwise manual entry. Local time zone adjustment (-12 to +12).
Usage Features:
- Quick DISTRESS Call: A 5-second press of the DISTRESS button initiates a distress call, with indicator lamps TX and ALARM flashing. The distress call is auto-repeated every 3.5-4.5 minutes until acknowledged.
- Basic Telephony Operation: Easy switching between VHF and DSC modes. Listening for calls on channel 16 is mandatory for all ships. Squelch control allows adjustment of receiver sensitivity.
- Volume and Power Control: Adjustable volume level and transmitter power level (1W or 25W).
- Dimmer Function: Display and keyboard backlight, as well as indicator lamps (TX, 1W, US, CALL, ALARM), can be set in four steps (0-3).
- Menu-Driven System: Self-explanatory menu-driven system with textual instructions and soft keys for easy navigation.
- Address Book (ADDR BOOK): Stores complete DSC calls, including names, and allows transmission, addition, or deletion of calls.
- Received Call Log (Rx LOG): Stores all DSC calls for up to 48 hours, allowing separate viewing and sorting of CALLS and ALARM CALLS.
- Tone Signalling: Distinct tone sequences for different types of incoming DSC calls (Distress, Distress & Urgency, VHF Connect, All Ship Safety Calls, Other DSC Calls). Tones restart every 30 seconds until the call is read or answered.
- Intercom: Allows communication between multiple control units.
Maintenance Features:
- Software Version Display: The system can display its software version.
- Serial Number Display: The apparatus' serial number can be viewed.
- Printer Setup: Options for ON/OFF, codes, and paper width (80 or 24 characters).
- Language Selection: The display texts can be set to different languages.
- DSC Test Calls: Allows for testing of DSC functionality.
- Auto Acknowledgment: Option to enable or disable automatic acknowledgment of DSC calls.
- Position Data: Can be set to ON/OFF for position data transmission.
The SKANTI VHF 1100 DSC is designed for reliable and safe maritime communication, adhering to international regulations and offering a user-friendly interface for its advanced functionalities.
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