Diagnostics 6-5
September 2004
Deactivating the Tracking
Window
1. Press [ESC], [ENTER], [ESC]. The meter enters the user program.
2. Press [
X] until PROG appears and press [ENTER].
3. Press [
X] until CH1 or CH2 appears and press [ENTER].
4. Press [
X] until PIPE appears and press [ENTER].
5. Press [ENTER] until TRACKING WINDOWS appears.
6. Select NO to deactivate the Tracking Window.
Entering the Constant
Sound Speed
1. At FLUID TYPE, select OTHER.
2. At FLUID SOUNSPEED, enter the measured sound speed and press
[ENTER]. Press [
W] and [X] to move the cursor to desired
location and press
[S] and [T] to increase or decrease the
number and press [ENTER].
3. Press [ESC] three times to exit the User Program.
4. The AT868 returns to making measurements. If desired,
reconfigure the display to show the desired measurement as
discussed on the previous page.
Diagnostic Record The values for the diagnostic parameters immediately after initial
installation of the meter and verification of proper operation should
be entered in Table E-2 in Appendix E, Service Record. These initial
values can then be compared to current values to help diagnose any
future malfunction of the system.
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