BioLife Stirling Ultracold ULT25NEU, Руководство по эксплуатации, Страница: 17 / 34

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To change the Setpoint by Method B
> Press and hold the Set Temp button until the Set Temp LED glows.
– The Setpoint temperature will appear with the letter S in the first
LCD display.
> The ^ / v buttons can be used to change the Setpoint.
– When the ^ / v buttons are pushed the Setpoint will change by 1ºC at first.
– If the
^ / v
buttons are held for five seconds the step size will increase
to 5ºC.
– Briefly release (a half second) the ^ / v buttons while continuing to
hold down the Set Temp button the increment/decrement size will
return to 1ºC.
– Release the ^ / v buttons once the desired Setpoint is achieved.
> Press the Set Temp button briefly (less than one second) to turn off
the Set Temp LED . The display will return to chamber temperature.
4.3 USING PRESET TEMPERATURES
The Temperature Presets — 1, 2 and 3 can be used to quickly change the
Setpoint to frequently used values. When shipped the Presets are set to
-86ºC, -40ºC, and -20ºC.
To choose one of the preset temperatures:
> Press and hold the Set Temp button until the Set Temp LED glows.
> Push one of the Temperature Preset buttons briefly.
> The new Set Temperature will be shown in the LCD display.
> If this is the desired Set Temperature, the user can either:
– Briefly press the Set Temp button to turn off the Set Temp LED .
OR
– Wait for approximately eight seconds when the freezer control panel
will return to normal operation.
4. OPERATION
(continued)