iii
7.5
Hi point
22
7.6
Lo point
23
7.7
Wash time
24
7.8
Analog output 1 (pH/ORP)
25
7.9
Analog output 2 (temperature) (PC-3100 only)
26
7.10
Time and date setting (PC-3100RS only)
27
7.11
RS-485 (PC-3100RS only)
27
7.12
Backlit LCD
28
8.
Calibration
Block diagram of Calibration
29
8.1
Security code of calibration
30
8.2
Entry of calibration mode
31
8.3
Asymmetry Buffer calibration
32
8.4
Standard Buffer calibration
33
8.5
ORP calibration
36
9.
Instruction set for RS-485 (PC-3100RS only)
9.1
Illustration of connection for RS-485
37
9.2
Instruction set of measurement mode
38
9.3
Instruction set of set-up mode
39
10.
Error messages (Error code)
42
11.
Maintenance
43