Ais Status Symbols; Ais Silent Mode - Raymarine C140w User Reference Handbook

10.6 AIS status symbols

The various AIS status modes are represented on your multifunction
display by symbols.
The status of the various AIS-related functions is indicated by a
symbol displayed in the databar of your multifunction display.
If your own vessel's position is lost, the multifunction display will
disable the AIS functionality and show the appropriate AIS indicator,
as shown in the following table:
Symbol
138
Description
AIS unit is switched on and operating.
AIS currently unavailable.
AIS unit is switched off, or not connected.
AIS unit is connected and switched on, but has
active alarms.
AIS unit is connected and switched on, but the
dangerous and lost alarm is disabled.

10.7 AIS silent mode

AIS silent mode enables you to disable AIS transmissions
AIS silent mode enables you to disable the transmitting functions
of your AIS equipment. This is useful when you do not want to
transmit your vessel's AIS data to other AIS receivers, but still wish
to receive data from other vessels.
Note: Not all AIS equipment supports silent mode. For more
information, refer to the documentation that accompanies your
AIS unit.
Enabling and disabling AIS silent mode
In the chart or radar application:
1. Press the MENU button.
2. Using the trackpad, highlight the AIS Layer Setup menu item,
then press the trackpad right to select it.
3. Using the trackpad, highlight the Silent Mode option, then press
the trackpad right to select it.
4. Using the trackpad, select the ON option to enable silent mode,
or OFF to disable it.
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