Humminbird 561 - Manual (Page 70)

63 Setup Menu Tab
Speed Calibration
(Advanced, with Temp/Speed only)
Settings: -20% to +20%; Default = 0%
Speed Calibration will adjust the speed readout by the percentage entered,
and will appear in the menu if a Temp/Speed Accessory is connected and the
paddlewheel has moved at least once.
Digits Format
(Advanced)
Settings: Small tenths, Large tenths, No tenths; Default =
Small tenths
Digits Format adds a tenth decimal place to the readouts such as Temperature
and Depth. Use the settings to change the display of the decimal place or
remove it from the digital readouts. Examples of the different settings are
displayed below. Also, see Select Readouts and Views.
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 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.
Small tenths Large tenths No tenths