B&C CL 7685 - Page 25

B&C Electronics CL 7685
Operator’s Manual - Rev. C - 05/05
- 25 –
Then it will show the measuring value:
_
|CAL CL: 0.80 ppm| (ClO
2
-O
3
)
CL 0.80: actual value
[MODE] to stop the procedure and to go back to D1
[/\]+[\/]+[ENT] to press the three keys to turn to factory
calibration
2B. [ENT] to confirm the value
The instrument will show the following message:
_
|SAMPLE V. UPDATE|
After a few seconds the unit go back to D1.
When the correct Chlorine (ClO
2
/O
3
) value will be known from laboratory
analysis, the operator must access the sensitivity calibration following the same above procedure.
The instrument shows for a few seconds the following message:
_
|SAMPLE V. ADJUST|
Then it will show the previously stored sample value:
_
|SAMPLE V. : 0.80|
[MODE] to stop the procedure and to go back to D1
[/\]+[\/]+[ENT] to press the three keys to turn to factory calibration
3B. [/\]+[\/] to display the Chlorine (ClO
2
/O
3
) value same as the contents into the
water
4B. [ENT] to confirm the value and to go back to D1
MESSAGE
FUNCTION
_
| UPDATE
| the calibration is accepted
Error message
_
|SENS > 250.0% | Sensitivity > 250.0%
_
|SENS < 12.5% | Sensitivity < 12.5%
The above messages will last for 5 minutes
[ENT] to acknowledge the error messages
_
| NO UPDATE | calibration not accepted