PROGRAMMING THE AREARAE
4-16
4.4.6 Change LEL/VOC Span Gas
This function allows the user to select a specific LEL or VOC
gas to be used as the span gas during LEL or VOC gas
calibration.
1. When the “Change LEL/VOC Span Gas?” submenu
appears, press [Y/+]. If the LEL sensor is installed and
enabled, the display shows:
TOX1
VOC
TOX2
LEL Span = ?
Methane
LEL
OXY
TOX1
VOC
Gamma
LEL Span = ?
Methane
LEL
OXY
AreaRAE
AreaRAE Gamma
Otherwise, the message "No LEL installed" appears.
2. If you do not want to change the LEL span gas, press [Y/+]
to accept the current selection and exit this submenu.
3. If you want to select a different LEL span gas, press [N/-].
Then use [Y/+] or [N/-] to scroll through a list of gas names
until a desired gas name appears in the LCD display. Now
press [MODE] to select the new gas name.
4. The display shows “Save?” To confirm the new gas
selection, press [Y/+] to accept the change. Press [N/-] or
[MODE] to discard the change and move to the next
display.