Section 5 Standard Operations; Overview; Tips For The Use Of The Touch Screen; Use Of The Alphanumeric Keypad - Hach Portable Spectrophotometer DR 2800 User Manual

Section 5

5.1 Overview

5.1.1 Tips for the use of the touch screen

5.1.2 Use of the alphanumeric keypad

Icon / key Description
ABC/abc Alphabetic
# % Symbols
123 Numeric
CE Clear Entry
Left Arrow Backspace
Right Arrow Advance
Standard Operations
The entire screen is touch-activated. To make a selection, press the
screen with a fingernail, fingertip, pencil eraser or a stylus. Do not
press the screen with a sharp object, such as the tip of a ball
point pen.
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This display is used to enter letters, numbers and symbols as
needed when programming the instrument. Unavailable options are
disabled (grayed out). The icons on the right and left of the screen
are described in
The central keypad changes to reflect the chosen entry mode.
Press a key repeatedly until the desired character appears on the
screen. A space can be entered by using the underscore on the
YZ_ key.
Note: A USB keyboard (with US keyboard layout) or a USB Barcode
handset scanner can be used for input (see
Table 1 Alphanumeric keypad
Function
When entering alphabetic characters (ex. user-entered units), this key allows to
toggle between upper and lower case letters.
Punctuation, symbols and numerical sub- and superscripts may be entered.
For entering regular numbers.
Clear the entry.
Moves back one position. This deletes the character previously entered in the new
position.
Moves to the next space in an entry when two adjacent characters occur on the
same key.
Do not place anything on top of the screen, to prevent damage
or scratching on the screen.
Press keys, words or icons to select them.
Use scroll bars to move up and down long lists very quickly.
Press and hold the scroll bar, then move up or down to move
through the list.
Highlight an item from a list by pressing it once. When the item
has been successfully selected, it will be displayed as reversed
text (light text on a dark background).
Table 1.
Section 9 on page 119).
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