User Manual

2 5 65-2649RK-HC-04 M2A Transmitter Operator’s Manual
Chapter 6: Gas Type Mode
Overview
This chapter describes how to use Gas Type Mode to select the M2A’s gas type. The gas
type determines the target gas and detection range.
CAUTION: The 65-2649RK-HC-04 M2A is factory setup for general hydrocarbons (HC). Do
not change the Gas Type setting.
Gas Type Mode includes a 5-minute time-out feature. If you do not press a button for 5
minutes, the M2A automatical ly returns to normal operation.
NOTE: If the M2A enters normal operation because of a program time-out, it enters a
warm-up period just as it does when it is first turned on.
Selecting the Gas Type
1. While in n ormal operation or during the warm-up sequence, press and hold the U P/
YES and DOWN/ NO buttons for five seconds. Release them wh en the following
screen appears.
2. If you want to exit Gas Type Mode, press and release the DOWN/NO butto n. The
display will indicate NO CHANGE and the M2A will return to normal operatio n.
If you want to continue in Gas Type Mode, press and release the UP/YES button. The
top display line will indicate GasType? and the bott om display line will indicate the
target gas choice.
3. Use the UP/YES or DOWN/NO button to scroll through the choices of target gas.
Ta ble 6 below lists the choices of target gas for the M2A.
Table 6: Gas Types
Gas Type
Choices
Detection Range
HC 0 - 100% LEL
iBUTANE 0 - 100% LEL
PROPANE 0 - 100% LEL
HEXANE 0 - 100% LEL
HYDROGEN 0 - 100% LEL
METHANE 0 - 100% Volume
Select
GasType?