Setting The High And Low Temp Alarm Setpoints; Setting The Month, Day, And Time - Thermo Scientific 3881 Operating And Maintenance Manual

Section 3
Operation
Reading Real-time
Refrig Conditions
Setting the High/Low
Temp Alarm Setpoints
Setting the Month,
Day, and Time
3-2 7033881 Blood Bank
When the refrigerator is operating, the
display screen shows the chamber
temperature from Probe 1.
Pressing the Scroll button displays the
temperature from Probe 2.
Pressing the Scroll button again shows
the number of door openings since
midnight of the current day (with date
and time of openings). Pressing Scroll
a third time returns the display to
other alarm messages.
With the Temp 1 screen showing on
the display as illustrated in Figure 3-3,
press and hold the left button and
press the Scroll button. Release the
buttons.
Using the up and down arrow
buttons, set the High Alarm
Temperature Setpoint. The display will
change in 0.1° increments. Holding
the up or down button will cause the
display to scroll in that direction.
When the desired temperature is set, press the Enter button to store it into
memory, then press Scroll to advance to the Low Temperature Alarm set
screen. Chart 3-1 illustrates the entire alarm setting procedure.
To return to the Temp 1 Operating Screen, press the Scroll button several
times to step through the Month, Day and Time setting screens.
The Month, Day and Time may be set directly following the setting of the
High and Low Temperature Alarms.
However, these parameters may be set or changed at any time by pressing
and holding the left and then pressing the Scroll button as shown in Figure
3-3. Releasing the left button and pressing the Scroll button two more
times will show the date and time screen. The month will be flashing
Figure 3-2. Real-time conditions
Figure 3-3. Real-time conditions
Thermo Scientific