Test Result Display Time; Troubleshooting - CDP 7000 Operation Manual

2)
6.5 TEST RESULT DISPLAY TIME setup
The display time is how long the result will appear on the screen. To improve the
performance and efficiency of the breathalyzer, the result will be shown during a brief
period of time (which may be modified). The breathalyzer will then automatically return
to the test mode to continue with the tests. If this auto-return function is not required, you
may set the display time to "unlimited". In this case, the result of the test will appear until
you press any button. You will then return to the test mode.
Press the left button
right button
display time menu. If the value has been changed, it will be automatically saved when
you exit the menu. The save interface will appear as a reminder.

7. TROUBLESHOOTING

Fault Description
Unable to turn on the tester
Inaccurate testing result
Wrong Display Time
Battery not durable
The distance between the user's mouth and the blowing opening
should be less than 3 cm during the test, so the air is not diluted and
the result will be more exact.
to select how long you want the result displayed. Press the
to save the change. Press
Table 2.
Possible Reason
Low battery
Battery polarity reversed
Expired sensor
Blowing distance
inaccurate
Long time no calibration
Wrong time setup
Battery capacity limited
after setting the value to exit the
Contact manufacturer to replace
Make sure tester's mouth is close
to the blowing opening
Alkaline battery or rechargeable
Ni-Cd battery will work better
7
Solutions
Change batteries
Refit the batteries
the sensor
Calibrate the tester
Reset the time