Portable Trace Oxygen Analyzer Operation
Teledyne Analytical Instruments 25
arrows on the left and right of the bottom line identify these
screens as setup screens by changing from UP/DOWN to
LEFT/RIGHT. The setup screens also blink.
• Select a value—When multiple options or values exist for a
function, pressing ENTER selects the currently displayed
option.
• Save changes—If a value or option has been modified,
pressing ENTER saves the change and brings you back to the
previous screen.
Figure 3-1: Front Panel Keys
3.1.2 ESCAPE Key
The ESCape key is used to exit a setup menu without saving any
changes made to that screen. The values will revert to the last value
saved for that entry.
3.1.3 UP/DOWN Keys
The UP/DOWN keys are used to:
• Navigate from one screen to another
• Toggle between multiple options within a menu