Sequoia / Tahoe Series User Manual California Instruments
M447352-01 REV-A 105
Figure 5-6. Touch-Screen Numeric Keypad
5.4.2 Rotary Encoder
The rotary encoder provides a secondary way to navigate the display. It is used to select functions, change
parameter values, and perform setups. It can be used to move between menu screens and between
editable items within an individual menu screen.
The rotary encoder is located on the front panel and provides continuous adjustment in the clockwise and
counter-clockwise rotation; refer to Figure 5-7. Turning the encoder knob allows sequential scrolling
through each menu or function on a screen; the item that is active has its selection field box highlighted.
To select a choice, depress the encoder knob to engage the encoder momentary switch.
Figure 5-7. Rotary Encoder
The rotary encoder can operate in one of two distinct modes:
MODE DESCRIPTION
NAVIGATE The rotary encoder can be used to scroll through menu screen
functions and settings. The current (active) selected item will be
outlined in a highlighted selection-field box. As the encoder is
rotated, the highlighted box will be scrolled through all items on a
screen that could be selected.
ADJUST/SELECT After scrolling to a function, the rotary encoder knob is depressed
to select the function (tapping on an item). Tapping on a
selection-button will change its state (on or off) and tapping on a
function or menu will select it and change it to a screen that allows
further value entry.
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