GRAPHTEC GL840 User Manual page 157

(5)-3 Power On Start
Sets the feature which initiates measurement as soon as the GL840 is turned on.
Selection item
Disable
Enable
When turned On the power, it may take some time until the wireless sensor is recognized.
If the data capture is started despite the wireless sensor has not been recognized, the captured data is
displayed as the " ****** " until the wireless sensor is recognized.
(5)-4 Room temperature compensation
Selection item
Internal
External
(5)-5 Temp. Unit
Toggles the temperature unit between °C (Centigrade) and °F (Fahrenheit) for temperature settings.
When °F (Fahrenheit) is selected, calculation is performed using the following formula:
°F (Fahrenheit) = °C (Centigrade) x 1.8 + 32
Calculate the accuracy as: Centigrade accuracy x 1.8.
(5)-6 Burnout
Sets a feature which checks sensor burnout in a thermocouple.
Selection item
Off
On
During a burnout check, voltage is applied to the GL840. Therefore, set Burnout to "Off" when GL840 is
connected in parallel with other devices to avoid any effect from these voltages.
(5)-7 Background Color
Sets the background colors of the waveform display area and the digital display area.
When turning On the power, the capture is started automatically.
Even when turning On the power, the capture is not started automatically.
The room temperature compensation in the GL840 is enabled.
(Please usually select the "Internal".)
This is used to execute the room temperature compensation through external device.
Burnout check is disabled.
Periodical burnout check is conducted.
CHAPTER 3 Settings and Measurement
Description
Description
Description
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