Arrow ( ) Keys; Enter Key; Backlight Switch; Velocity/Flowrate Key - TSI Instruments VelociCalc Plus 8384 Operation And Service Manual

Arrow ( ) Keys
Press to scroll through choices while setting a parameter. To set the date
and time, press and hold both arrow keys during the initial power up
sequence when time is displayed. See Setting the Real Time Clock section
in Chapter 2 for more details.

ENTER Key

Press to accept a value or condition. To dump the entire memory to the
printer, press and hold the ENTER key. This will initiate a countdown from
5 to 0. When the display shows zero, release the key and everything in
memory will be sent to the printer. The display will read "Send dAtA"
while dumping the memory. If you release the key at any time other than 0
during the countdown, nothing will print. To stop printing at any time,
turn the V C
ELOCI

Backlight Switch

Slide the switch in the upward position to turn on the backlight. The
backlight switch is marked in the international symbols '|' for on and 'O'
for off. The backlight will remain on until switched off.

VELOCITY/FLOWRATE Key

Press to toggle back and forth between displaying velocity and flow rate. In
flow rate mode, there are 3 options: flow rate from velocity and area, flow
rate from velocity and a horn, and flow rate from pressure and a K factor.
These are indicated by circle, rectangle, horn symbol and pressure units.
Use keys to scroll through and select the desired symbol, then press
ENTER to accept the choice. To change the flow rate mode, press either the
or key while displaying flow rate, use the
selection, then press ENTER to accept the choice. The test ID will
automatically increment to the next test ID if flow data has previously been
stored in the current test ID. See Application Note TI-127 for an
explanation on the differences in these flow rate measurement calculations.
•
If circle is chosen:
SIZE will flash on display. Use
press ENTER to accept the choice and return to measuring.
•
If rectangle is chosen:
X SIZE will flash on display. Use
duct, then press ENTER to accept the choice and advance to the next
dimension. Y SIZE will flash on display. Use
8
Plus off.
ALC
keys to make your
keys to select size (diameter), then
keys to select the x-size of the
keys to select the y-
Chapter 3