Accessory Bus; Installation Overview - Humminbird 931C Installation And Operation Manual

93x_Man_531370-1_A - vs4.qxd 2/18/2005

ACCESSORY BUS

Use the Accessory Bus to expand the functionality of
your 900 Series™. Accessories plug directly into the
900 Series™, enabling Advanced features such as
WeatherSense® and the SmartCast® Wireless Sonar
Link. Additional tabs and menu choices will be added
to the menu system automatically when an accessory
is plugged into the unit. In addition, multiple
accessories can be attached simultaneously. See
Accessory Bus Accessories Menu Tab and 900 Series™ Accessories in
this manual, as well as your accessory Operations
Manual for additional details.
NOTE: Accessories to enable WeatherSense® and the SmartCast® Wireless Sonar Link require
separate purchases. You can visit our website at www.humminbird.com or contact our
Customer Resource Center at 1-800-633-1468 for additional details.

INSTALLATION OVERVIEW

Please read all instructions that are relevant for your configuration before beginning
the installation process.
NOTE: Installation procedures will depend on product configuration.
11:11 AM Page 8
4
1
Sonar Transducer w/Temperature
2
Optional "Y" Cable
3 NMEA 0183
4
Power
5
Temperature
3
The 900 Series™ has a wide variety of configurations.
987c
2
3
9
5
7
8
6
Accessory Bus
SmartCast® Wireless Sonar Link
1
Speed through water 6
GPS Receiver 7
WeatherSense® 8
9