JULABO LC 4 Temperature controller - Manual (Page 24)

Menu functions
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6.2. Temperature range: HL / LL
The laboratory controller LC4 features the possibility to limit the
working temperature range to protect thermally sensitive
substances.
Setting the upper limit
 With the edit keys change the menu function from
“HL 0” to "HL 1" and then press enter .
 Using the cursor keys and the edit keys set
the upper limit (example: 250.0 °C) and then press enter .
HL (High Limit) factory-setting: 350.0 °C
Setting the lower limit
 With the edit keys change the menu function from “LL
0” to "LL 1" and then press enter .
 Using the cursor keys and the edit keys set
the lower limit (example: -40.0 °C) and then press enter .
LL (Low Limit) factory-setting: -50.0 °C
6.3. Parameter sets for control: PA
The LC4 provides 5 different parameter sets for controlled
processes.
Selecting a parameter set for control:
 Press the edit keys to select the desired parameter
set (1 to 5) and then press enter .
(example: parameter set 3).