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Reverse direction – menu selection
Lists can be long, so rather than progressing in one direction through every item in the list
before "looping" back to the first item, you can change the scrolling direction.
To reverse direction: Press and hold [N/-] for 5 seconds. The direction arrow changes. Now
when you press [N/-], the menu items are scrolled through in the other direction.
Note: You can change direction anytime by pressing and holding [N/-] for 5 seconds.
Calibration
Two types of calibration are available: Zero (fresh air) and Span.
MiniRAE 3000+, ppbRAE 3000+, UltraRAE
MiniRAE Lite+
Select Zero or Span Calibration by pressing [N/+]. Once your choice is highlighted, press [Y/+].
Zero calibration
For the procedure for performing a zero calibrationSee "Zero (Fresh Air) Calibration" on page 61
for more information..
Auto Zero can also be performed. See "Auto-zero at startup" on page 28 for more information.
Span calibration
For the procedure for performing a basic span calibration See "Span calibration" on page 62 for
more information.
Handheld PID Monitors
73
User Manual
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