SINGLE LOOP CONTROL
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SETTING THE HIGH
TEMPERATURE LIMIT
For routine operation, the low temperature limit for
thermocouple 1 (TC1) should be set to 750ºC, as follows:
• Make sure that the units have been set to
Centigrade, as described above.
• Simultaneously press both the Up-arrow S and
the Down-arrow T keys for approximately 3
seconds until the Input Menu prompt InPt appears
in the upper display and the Setup Menu prompt
SEt appears in the lower display:
InPt / SEt
• Press the MODE key three times. rH1 will appear
in the lower display.
• Use the Up-arrow S and/or Down-arrow T keys
to set the upper display to 750.
• Press the DSPY key to return to the main display
format.
Note For operation of the HVC-DRP-4 and HVC-VUV-4 diffuse
reflection reaction chambers at or near their high
temperature limit, set the high temperature limit to 1000.
SETTING THE LOW POWER
LIMIT
For routine operation, the low power limit should be set to
0%, as follows:
• Simultaneously press both the Up-arrow S and
the Down-arrow T keys for approximately 3
seconds until the Input Menu prompt InPt appears
in the upper display and the Setup Menu prompt
SEt appears in the lower display:
InPt / Set
• Press the Up-arrow S key twice. 9LbL appears
in the upper display:
9LbL/ SEt
• Press the MODE key eight times. LoP will appear
in the lower display.
• Use the Down-arrow T key to set the low power
limit, shown in the upper display, to 0.
• Press the DSPY key to return to the main display
format.
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