UltraRAE 3000 User’s Guide
8.2 Turning The Instrument On
(Power On Zero)
If your UltraRAE 3000 has been configured to perform a zero (fresh
air) calibration upon startup, called Power On Zero, then the startup
routine is interrupted so that you can perform a fresh air calibration.
(See page 85 for details on turning this feature on or off.)
If you do not want to perform a zero calibration, press [MODE] to
bypass it. If you start a zero calibration and want to abort it, press
[N/-], and the calibration stops and the main display is shown.
8.3 Turning The Instrument Off
1.
Press and hold the Mode key for 3 seconds. A 5-second
countdown to shutoff begins.
2.
When you see “Unit off...” release your finger from the
[MODE] key. The instrument is now off.
Note:
You must hold your finger on the key for the entire shutoff
process. If you remove your finger from the key during the
countdown, the shutoff operation is canceled and the instrument
continues normal operation.
8.4 Operating The Built-In Flashlight
The instrument has a built-in flashlight that helps you point the probe
in dark places. Press the flashlight key to turn it on. Press it again to
turn it off.
Note:
Using the flashlight for extended periods shortens the battery’s
operating time before it needs recharging.
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