8
4.2
Start-up, Shutdown and Always on
Start-up
Press and hold the for 3 seconds, the instrument starts to power on. After power on, the instrument
automatically enters the visual test, firmware version, 20-second countdown and the second visual test
screen, and is accompanied by warning sound and light test. After a short warm-up, it will automatically
enter the real-time gas monitoring screen.
Visual test screen
Version
Countdown
Shutdown and always on
Countdown
Press and hold for five seconds.
After a five-second countdown:
The instrument powers off if;
•
the always-on feature is disabled or
•
the always-on feature is enabled and the security code is set
to 000.
Enter security code
If this screen is activated, the shutdown process is security-
code protected. To complete shutdown, the user must enter the
correct three-digit code.
Value range: 000 to 999
4.3
Configuration mode
Configuration mode can only be accessed during startup, at the 20 second countdown screen, press
and hold both buttons simultaneously more than 1second to enter configuration mode, select alarm
and warning related options that maximize safety within the air sampling environment.
When the unit is in configuration mode, the following apply:
•
The tool icon ( ) displays in the lower right corner of each screen.
•
With successive short presses of the on-off button( ), the user can scroll through the
configuration loop.
•
The enter button ( ) is used to start the editing process or initiate zero.
•
When editing a value, the enter button ( ) increments the value and the on-off-mode
button ( ) saves the value.