Lauda PROLINE Kryomats RP 4050 C Operation Manual page 17

Control element: Master
1 Display
2 The temperature of an external source is displayed
(EXT is lit green).
3 Enter key
4 Select keys
5 Cooler active (blue LED is lit)
Control element: Command
1 Graphical display
2 RS 232/485-socket (hidden on the back of
Command)
3 Cursor keys
4 Enter key
03/2022
6 Heater active (yellow LED is lit)
7 Bath controlled by external temperature source
(green LED is lit)
8 Error signal (red LED is blinking)
9 Overtemperature set point to check or set Tmax
10 Mains On (green LED is lit)
5 Standby key; brings the thermostat into the idle mode
(Heater, refrigerating machine and pump are switched off,
yellow LED is lit).
6 Escape key to quit a window without any changes
7 Decimal point or "-" symbol
8 Five soft-key duo-keys – their associated functions are
shown in the display.
Proline Kryomats 17 / 137