Thermo Scientific Thermolyne NCAT F85930, Инструкция по установке и эксплуатации

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Thermo Scientific NCAT Asphalt Content Tester 57
14
Hidden Key Routines
Hidden Keys provide multiple use of the keypad. Hidden Key Procedures typically are used to access
infrequently changed user variables and infrequently used diagnostic procedures. The access,
procedure, and exit are detailed under each key procedure. The furnace must be in the
(non-programmable) mode to access the Hidden Keys.
0 Key-Diagnostics:
1 Key-Printout Paper Saver:
2 Key-Default:
Access: Depress the Power Switch to “ON” while simultaneously depressing the
“0” key.
Procedure: Enters the diagnostic procedure for factory testing. The printout is typically
filed with the Operation Manual.
Exit: Depress Power Switch to “OFF” and then “ON” to return to normal
operation.
Access: Depress Power Switch to “ON” while depressing the 1 key simultaneously.
Procedure: Chamber temperature display PRN and the Percent Loss display will toggle
“ON” or “OFF” as the access procedure is repeated. The new mode will be
displayed for three seconds and then the furnace will return to normal
operation.
Exit: Automatic
Access: Depress the 2 key while simultaneously depressing Power Switch to “ON”.
Procedure: DEF will be displayed for three seconds to indicate variables have been reset
to factory values. The furnace will return to normal operation. Defaulting
to factory values is a useful diagnostic tool as a comparison of current values
vs. factory values can be made within minutes. Values can be printed by
depressing ENTER while simultaneously depressing the Power Switch to
the “ON” position.
Exit: Automatic