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Rev. E | 2021.03
LPT - Operation Manual
Test Points: TP-1 & TP-2
The three upper jumper’s (GAS1-GAS3) allow setting the
calibration gas value. The OVER jumper setting allows
overriding the value if out of range during calibration but
still at a “reasonable” value.
The default factory set location are as shown, (Jumper-1)
is in the GAS3 position and the lower jumper (Jumper-2) is
in the IDLE position.
Lower jumper set (CAL). This jumper allows setting the
calibration and checking the voltage and current output.