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OMSEM5000 Iss. 01
Setting the alarm threshold
The alarm threshold can be changed to best suit the
application requirements: the minimum permissible alarm
threshold is 1 ppm.
Push the jogdial to display the menu. Rotate the jogdial until
the menu item “
THRESHOLD LASER
”
is visible then push the
jogdial to select this option.
When in the threshold menu, change the ppm threshold by
rotating the jogdial to increase or decrease the value.
To confirm the threshold level, push the jogdial.
Acoustic and visual alarm
When the instrument is powered on, or if a gas measured
exceeds the alarm threshold, an alarm will sound, and the
LED’s will flash.
To disable or enable this alarm setting, push the jogdial until
the option for the buzzer is displayed.
Push the jogdial to either disable or enable the Buzzer.
Backlight - Display illumination
To change the display illumination, push the
‘on/off’
button until you reach the
desired illumination. The display has 4 levels of illumination.
Bluetooth description (OPTIONAL)
If the Bluetooth option is fitted, connectivity will always be available, and a Bluetooth icon
will be displayed on the main screen. When the instrument is connected to a host PC with
Bluetooth, the icon will have the letters ‘PC’ superimposed.
