PROGRAMMING AREARAE-Gamma
4-15
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
Gamma
LEL Span = ?
Methane
LEL
OXY
Otherwise, the message "No LEL installed" will appear.
2. If the user does not want to change the LEL span gas,
press [Y/+] to accept the current selection and exit this
submenu.
3. If the user wants 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, then 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 the [N/-]
or [MODE] to discard the change and move to the next
display.