JULABO LH 50 Highly Dynamic Temperature Control Systems - Manual (Page 39)

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7.3.2. Warning functions
  
The high and low temperature warning functions accompany the
working temperature value. An audible signal sounds in intervals
when the actual temperature exceeds one of the set limits
(patented).
The corresponding message appears in line 4 on the DIALOG-
DISPLAY (LCD).
Setp.: 120.00°C
>Overt.:130.00°C
Subtmp:-55.00°C
St.Pump: 2
>Overt: Setting the high temperature limit

Setting in line 2.
The value previously set appears on the DIALOG-DISPLAY
(LCD).
A flashing segment indicates that a value needs to be
entered.

Use the keypad to enter the new value
(examples: 130.00 °C; -13.00 °C).

Press enter to store the selected value.
Setp.: 120.00°C
Overt.:130.00°C
>Subtmp:110.00°C
St.Pump: 2
>Subtmp: Setting the low temperature limit

Setting in line 3.
The value previously set appears on the DIALOG-DISPLAY
(LCD).
A flashing segment indicates that a value needs to be
entered.

Use the keypad to enter the new value
(examples: 110.00 °C; -17.00 °C).

Press enter to store the selected value.
Note:
The warning functions will only be triggered when the actual bath
temperature, after start from the "OFF" or "rOFF" mode, lies within
the set limits for 3 seconds.
Example:
Setp: 120.00°C
IntAct 130.50°C
ExtAct: --.--°C
Control: Intern
Excess temp.
The corresponding message appears in line 4 on the DIALOG-
DISPLAY (LCD).