BT CGA-411 Operation Manual page 32

Display*
Pu followed by a number
bA followed by a number
o
C 1 followed by a number
o
C 2 followed by a number
GAS 2 followed by a number
GAS 1 followed by a number
o
C 3 followed by a number
CO followed by a number
GAS 3 followed by a number
O2 followed by 9999
Air
*After each depression of switch #2.
Table 5. Display Sequence in Set-Up Mode
Parameter
Pump current in arbitrary units
Battery voltage
o
Room temperature ( C)
o
Filament temperature ( C)
In Calibration Gas: % GAS
In Pure Methane: % GAS
o
Room temperature ( C) of the on-board
temperature sensor
In Calibration Gas: PPM CO
Not used for CGA-411/412
Not used in the field
Beginning of AUTO ZERO sequence
Used to adjust block limit for pump (see Section 12E)
Should be between 2.15 and 3.15 (Do NOT Adjust)
For installing a new sensor (Sect.12B)
For installing a new sensor (see Sect. 12B)
For manual calibration or installing a new sensor (Sects. 12A
and 12B)
For manual calibration or installing a new sensor (Sects. 12A
and 12C)
Should read room temperature (
For manual calibration or installing a new CO/H
(Sects. 12A and 12B)
Not used
May be used when installing a new oxygen cell.
Normal operating mode
29
Use/Comments
o
C) (Do NOT Change)
S Cell
2