Yokogawa GD40 Gas Density Detector - Manual (Page 58)

<5. DENSITY / PARAMETER SETTING>
5-3
IM 11T3E1-01E
5.1.2 Setting Parameters at Operation Level
Press the [MODE] key and enter the password (XXX) to gain access to this level (see Figure 5.1
for key operation).
Table 5.2 Setting Parameters at Operation Level
Mode/Setting parameter Display
Data to be Set
(or Conditions)
Remarks
Calibration mode
Semi-automatic calibration
Manual calibration
Setting of zero-point density
Setting of span-point density
SEM.CAL
MAN.CAL
Z_DNS
S_DNS
One-touch calibration See Figure 8.3 for key operation.
See Figure 8.4 for key operation.
Zero/span-gas valve operation
Zero-gas valve operation
Span-gas valve operation
Sample-gas valve operation
VALVE
V_ZERO
V_SPAN
No setting is required for
manual calibration
Control of zero-gas valve
Control of span-gas valve
Switching between sam-
ple and calibration gases
See Figure 8.1 for key operation.