Humminbird 596C HD DI - Manual (Page 86)

77 Setup Menu Tab
Temp. Offset
(Advanced, with Temp/Speed only)
Settings: -10.0 to +10.0 degrees, Default = 0
Temp. Offset will adjust the temperature readout by the amount entered. This
menu option is available if a Temp/Speed Accessory is connected and the
paddlewheel has moved at least once.
Speed Calibration
(Advanced, with Temp/Speed only)
Settings: -20% to +20%, Default = 0%
Speed Calibration will adjust the speed readout by the amount entered. This
menu option is available if a Temp/Speed Accessory is connected and the
paddlewheel has moved at least once.
Sonar
Settings: Off, On; Default = Off
Sonar sets whether the Sonar views are shown in the View rotation. Select Off
to deactivate Sonar and remove the Sonar Views from the View rotation.
Demonstration
Settings: Off, Visible; Default = Visible
Demonstration controls whether the Demonstration Mode is visible or off. The
Demonstration Mode appears on the screen if you don’t press any keys during
the warning screen at power up. Menu settings cannot be saved in
Demonstration (see Power On the Control Head and Start-Up Options Menu).
Sound Control
Settings: No Sounds, Alarms Only, All Sounds; Default =
All Sounds
Sound Control allows you to set when the control head will beep or sound
because of key presses and/or alarms.