2 display, 3 control lamps (leds), Display – YSI CR 4200 Thermoreactor User Manual
Page 17: Control lamps (leds)
CR 4200
Basic principles of operation
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4.1.2
Display
Example: Program selection
4.1.3
Control lamps (LEDs)
The control lamps above the operating panel are assigned to the left-
hand or right-hand thermoblock and indicate the current operating
state.
If the control lamps are off the thermoreactor is in the Standby mode.
1
Temperature in the left-hand or right-hand thermoblock
2
< (left) or > (right) indicates the thermoblock selected
3
Number of the temperature program
4
Specified temperature
5
Reaction time in hours and minutes
LED
flashes
is illuminated
green
Program selection
red
active temperature
program:
heating period or cooling
period
active temperature program:
reaction temperature reached
red and
green
active temperature
program:
program canceling
selected
23°C
23°C
> 1:148°C 2:00
1
2 3
4
5
1