Raymarine Ray 90, Installation And Operation Instruction Manual

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2.3 Product overview
The Ray90 and Ray91 are 12 V dc, Class D Digital Selective Calling (DSC) VHF radios. DSC enables
you to make and receive calls to a specific radio, and to transmit and receive position information to
and from a selected radio. DSC also allows transmission of a distress alert, to all radios within range,
at the touch of a button. Once a DSC request is sent and acknowledged voice communication is
carried out on the channel chosen by the caller. The radio can transmit and receive on all available
US, Canadian, International and Private marine VHF channels.
The Ray90 includes the following features:
• Built-in GNSS (GPS) receiver.
• Up to 2 fully functioning wired handset stations with wired speaker connections.
• Connect to a wireless hub to add up to 3 fully functioning wireless handset stations with wireless
speaker connections.
• With an optional loud hailer connected the radio can also be used as a fog horn or loud public
address (PA) system.
The Ray91 includes the same features as the Ray90 and also has a built-in AIS receiver.
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