Chapter 4: How To 25
Set Display Mode for Running Average or Single
If Single is selected, the instrument will show READY on its display, and will not start taking readings
until READ is pressed.
If Running Average is selected, the instrument will constantly measure and display a running average.
The READ button can then be used to stop and start the running average.
1. Press
to display CHANGE Test Id.
2. Press X until SETUP appears.
3. Press
.
4. Press X until DS.MODE appears.
5. Press
. The display shows the currently selected display mode. Options are: RUNAVG and
SINGLE.
6. Press S or T to change the display mode.
7. Press
. DS.MODE is displayed.
8. Press ESC to return to SETUP.
Select Discrete or Continuous Logging
Discrete logging means you have to press SAVE each time you want to save a displayed reading.
Continuous logging means reading and saving is done automatically at the user-selectable Sample
Logging Interval. Then the continuous logging is started and stopped by pressing SAVE.
1. Press
to display CHANGE.
2. Press X until SETUP appears.
3. Press
.
4. Press X until LOG appears.
5. Press
. The display shows the currently selected option. Options are: DISCRT and CONTIN.
6. Press S or T to change the logging option.
7. Press
. If you selected DISCRT, LOG is displayed. Continue with step 9. If you selected
CONTIN, the display shows LOG.INT to indicate you must enter a logging interval.
8. Press S and T to select the logging interval. Options are (in sec.): 10, 15, 20, 30, 60, 120, 180, 240,
300, 360, 420, 480, 540, and 600.
9. Press
. LOG is displayed.
10. Press ESC to return to SETUP.
Turn Back Pressure Compensation On and Off
Back pressure caused by flow through the capture hood can lower the flow being measured, causing
measurement error. If it is desired to minimize this error, turn the back pressure compensation on.
1. Press
to display CHANGE Test ID.
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