User's Guide

POLI User’s Guide
8
Moving
These two keys are marked as [+/OK] and [ /↓] for Confirm or Number Increase and
Power / Cursor Moving, respectively. They also act as ‘soft keys’ that changes numbers
and make selections under various menus.
Two test and symbol boxes at the LCD bottom are ‘mapped to’ the [+/OK] and [ /↓]
keys. The text and symbol in the boxes may vary with the menu.
In addition to the functions described above, either key can be used to manually activate
LCD backlighting. Press a key to turn it on when the backlighting is off.
2.2 Active Sensor Displays
Though having four (4) sensor sockets, the POLI is a flexible platform that
accommodates one (1) to five (5) sensors with a dual toxic sensor. When one or more
sensors is either not installed or turned off, the display only shows the installed, active
sensors: