Set up II(Sound)
Set up II (Sound: on & off)
Set up II (Language)
Calibration
Calibration will remain stable to within 1% over one month and typically to within 5% over
6 months. Senko Co., Ltd. Supplies calibration gas (20ppm CO in air). Senko‟s Breath CO
monitor is recommended to recalibrate every 6 month.
Arrow move to down and press enter button
Zero calibration mode
Ensure that the breath CO monitor is surrounded by fresh air (0 ppm CO gas in fresh air).
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