11. Appendix 11-1. Data logger function
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(4) Trouble event
Records fault alarm occurrences as events.
This function records the time a fault alarm was triggered, the measurement target gas, device information, and the
type of trouble event.
Records/retains the most recent 100 data items.
If the number of items exceeds 100, new data will overwrite the oldest data.
(5) Calibration history
Records data when calibration is performed.
This function records calibration time, concentration values before and after calibration, and calibration errors.
Records/retains data items for the most recent 100 calibrations.
If the number of calibrations exceeds 100, new data will overwrite the oldest data.
NOTE
Communication mode will start automatically if the power is turned on, the date and time or battery level/alarm
pattern is displayed, and the product infrared communication port faces in a direction that enables IrDA
communication. You can also enter communication mode by pressing the AIR and POWER/MODE buttons at
the same time with the product infrared communication port facing in a direction that enables IrDA
communication.
A fault alarm will be triggered if no communication connection can be confirmed for a preset duration in
communication mode. If this occurs, either repeat the attempt to establish a communication connection or turn
off the power for the product.
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