Teledyne ULTRAFLOW 150, Operation Manual, Page: 36 / 162

ULTRAFLOW 150 GAS FLOW AND TEMPERATURE MONITOR
NORMAL: Places instrument in NORMAL mode.
PATH: Since each TIE has two measurement paths (A and B) but only one display, a
means is needed to toggle the single display between Path A data and Path B. This
button performs this function. The A=ON/B=OFF LED moves in unison with the state of
the data display.
SPAN LOW: Initiates a SPAN LOW calibration.
5.2.8 Combinations of Buttons
SPAN HIGH * ZERO: Initiates a Calibration Cycle.
SPAN LOW * ZERO: Initiates a Calibration Cycle.
DISPLAY*LEFT: Toggles the display from User data (U) to Service data (S) and Auxiliary
data (A) banks when pressed and held for about a second. After 10 minutes with no
keypad activity, the display defaults back to the User data bank (U). Repeat functions
are supported for this combination of buttons.
DISPLAY*INC: Increments the variable number displayed, i.e., U0 becomes U1, F0
becomes F1, etc. Repeat functions are supported for this combination of buttons.
DISPLAY*DEC: Decrements the variable number displayed, i.e., U5 becomes U4, S5
becomes S4, etc. Repeat functions are supported for this combination of buttons.
5.2.9 (OPTIONAL) 6PT I/O PC BOARD FOR 150DI
The Six Point I/O Board is an optional device intended to provide a low cost
Direct Interface feature to the Ultraflow 150DI where analog output and control
signals are supplied directly from the Transducer Interface Enclosure (TIE)
Assembly. (See section 3.5) This board is located below the local user interface
keypad and is accessible by removing the two thumb knobs on the LUI and
swinging to the left.
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