Keyboard functions - PR-23 - PR-23-AC - PR-23-AP - PR-23-GC - PR-23-GP - PR-23-M - PR-23-RP - PR-23-SD - PR-23-W

Number keys: The 10 number keys, minus sign, and decimal point are used to enter numerical parameters. They are also used for menu selections.

ENTER key: used to implement the selected (highlighted) menu command or to accept an entered value.

BACK key: used to move one step backward to the preceding display. It is also used to erase or cancel a numerical input.

Soft keys: The meaning of the soft key is shown on the display immediately above the key. The figure below gives an example of the soft key functions, from left to right:

1. SENSOR A: Switch to corresponding menu for Sensor A.
2. Arrow down: Move one step down in the menu.
3. Arrow up: Move one step up in the menu.
4. SELECT: Select the highlighted command (equivalent to pressing ENTER).