Lovibond PoolDirect, Instruction And Operation Manual, Page: 62 / 78

62 PoolDirect 9in1_4i 11/2015
Delete user calibration
This chapter only applies for methods which can be user calibrated.
Select the required method.
Instead of zeroing the instrument press [MODE] [4] [6] keys
in sequence and confirm with [ ] key.
The display shows:
Press [1] key to delete user calibration.
Press [0] key to keep the valid user calibration.
The instrument goes back to Zero-query automatically.
Mode
<user calibration>
Chlorine T
0.01-6 mg/l Cl2
clear user
calibration?
YES: 1, NO: 0
Chlorine T
0.01-6 mg/l Cl2
0
1
6 4
prepare ZERO
press ZERO