Thermo Fisher Scientific C101 Colorimeter - Manual (Page 46)

Calibration: Chlorine, Free & Total, Chlorine Dioxide, Bromine, Ozone
C401/301/201/103/104/105 Colorimeter
42
16. Press the READ/ENTER key. The meter now accept the calibration
value and momentarily display [HoLD] and CAL annunciator before
returning to the beginning of the calibration as in step 3.
17. To continue with another calibration, press the MODE key to select
the desired calibration mode (for multi-parameter colorimeter).
18. To exit calibration mode, press ZERO key to return to the
measurement mode.
CAL
MODE
READ
ENTER
Press Mode to select
another calibration test
ZERO
Press ZERO to return
to measurement mode
Chlorine Free & Total calibration sequence
NOTE: If you wish to abort the calibration
process, do NOT press the READ/ENTER key as
in step 16. Press the ZERO key instead. The
meter will display [AbRT] and CAL annunciator to
signify that the calibration has been aborted
without saving the calibration value. The meter
will then return to the beginning of the user
calibration as in step 3.
NOTE: If an error occurs during calibration, the display will present an error
message. Please refer to Section 4
Troubleshooting Guide for details.
CAL