Thermo King UT-1280, Руководство оператора

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Unit Operation
41
Figure 25: ENTER Key
The new setpoint of 40 F (4.4 C) will remain on the display
after the ENTER Key has been pressed.
Failure to confirm the new setpoint by pressing the ENTER
Key within 20 seconds of changing the setpoint will result in
no setpoint change. In addition, Alarm Code 127 Setpoint Not
Entered is set, to indicate that the setpoint change was started
but was not completed.
Figure 26: Alarm Icon and Setpoint
Notice that the setpoint has returned to the old setpoint of 35 F
(1.6 C) and the Alarm Icon has lighted indicating that Alarm
Code 127 Setpoint Not Entered is set.
IMPORTANT: If the setpoint is changed using the UP
ARROW Key or DOWN ARROW Key, the change must be
confirmed by pressing the ENTER Key within 20 seconds of
changing the setpoint.
• If the ENTER Key is pressed, the setpoint change made
with the UP ARROW Key and/or DOWN ARROW Key is
accepted, the setpoint is changed, and the display returns
to the Standard Display showing the new setpoint.