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CHAPTER 3 Settings and Measurement
(1)-37 Other setting
The following settings can be performed.
Setting Description
Annotation text string Set the annotation (comment) displayed in the CH.
Program Inter-CH
calculation
Set the contents of Program Inter-CH calculation.
Four arithmetic operations (addition (+), subtraction (-), multiplication (x), division (÷)) can be used for
the Program Inter-CH calculation.
* For details, refer to “<Inter-CH Op Settings>” in “(1)-6 Misc.” in “3.4 Setting Menus”.
Span setting Set the upper and lower limits of the span which the waveform is displayed.
Waveform color setting 0 to 31 for each of red, green, blue (RGB)
Thickness setting 1 to 8 dots
Trace This is used to set the waveform display.
Auto zero adjustment The current input value is calculated as a zero point.
Zero adjustment reset Reset the zero point.
[Zero point voltage value] Display the zero point.
CO2 sensor (GS-CO2: optional) setting
Performs the setting related to the connection of CO2 sensor.
The Setting screen is displayed at the end of the group by connecting the CO2 sensor and turning On the
GL840’s power.
(1)-38 Input setting
This is used to select the input conditions.
Setting Description
Off The input signal is not measured. The waveform and digital display also are not performed.
1ch CO2 Used to measure the CO2.
2ch to 4ch No AMP Used to measure the ultraviolet.
5ch to 8ch No AMP When connecting the two GS series and terminal / addapter using a branch adapter for GS, the
following combination is displayed.
Combination CH1 to 4 CH5 to 8
TH+LXUV TH LXUV
TH+CO2 TH CO2
LXUV+CO2 LXUV CO2
Symbols in the table are as follows:
• TH: Temperature and humidity sensor
• LXUV: Illumination / ultraviolet sensor
• CO2: CO2 sensor
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