Brookfield Bath, Model TC-602 - Manual (Page 26)

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4.11.11 Setting the Auto-Refrigeration Temperature
This menu item allows you to select the temperature at which refrigeration is activated. It is only
present on Refrigerating/Heating models. For most applications, a set point that is 15°C above room
temperature is recommended.
The Auto-Refrigeration control range on these is from +20°C to 85°C. The refrigeration system will
turn on when the bath fluid temperature is below the Auto-Refrigeration set point (85°C maximum).
4.11.12 Setting the Display Contrast and Timeout
Display Contrast and Display Timeout appear as sub-menu items under Instrument in the Main
Menu. These menu items allow you to change the readability of the LCD and set the length of time,
which can pass without menu activity before the display will revert to the main operational display.
NOTE: When Contrast is selected, the display contrast will change as the Select/Set Knob is
rotated. You must press the Select/Set Knob to accept the displayed contrast value; if you press the
ESC Button or allow the display to timeout without pressing the Select/Set Knob, the display contrast
value will remain where it was previously set.
4.11.13 Setting the Baud Rate
This sub-menu selection also appears under Instrument in the Main Menu. It allows you to set the
baud rate at which data will be transmitted over the RS232 interface. For more information on
RS232 communication, see Section 4.4 and Section 8.1.