Yokogawa GD40 Gas Density Detector - Manual (Page 129)

<7. HYDROGEN PURITY / PARAMETER SETTING>
7-6
IM 11T3E1-01E
7.2 Parameter Setting
[Aborting the Setting Operation]
Press the [MODE] key. Normally, the [MODE] key is used to move from the measurement
() mode to a mode at the operation level. It also used to return to the measurement
mode from other modes.
7.2.1 Parameter Setting at Measurement Level
1. Measuring Range Selection Mode
Operate the keys as shown below to switch between the hydrogen purity meter and replacement
(substituents-concentration) meter.

H
2
purity meter

Replacement meter
(H 2 in CO 2 )

Replacement meter
(Air in CO 2 )
Password is not selected in first condition.
(See "Figure 7.25 Setting of Password"
on page 7-27.)
* 1 : Press the [YES] key to show the parameter in the measurement mode.
* 2 : See "Figure 7.3 Modes of Operation Level" on page 7-9.
[MODE]
MEASURE
XXX
*PASSW
[ENT]
S_GAS
[NO]
[YES]
XXX.X
H2_AIR
* 1
[YES]
[YES]
[YES]
XXX.X
H2_CO2
XXX.X
A_CO2
[NO]
[NO]
[NO]
MEASURE
F0701.ai
* 1
* 1
* 2
Figure 7.1 Measuring Range Selection Mode