GE AquaTrans AT868, User Manual

Page: 37 / 158

September 2004
2-12 Programming Site Data
Number of Traverses and
Transducer Spacing
1.
Press [
W
]
and [
X
] to select the number of traverses and press
[ENTER]
.
2.
Enter the value for the transducer spacing by using the arrow keys.
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]
.
Procedure Options
After completing the above steps, the user program returns to the
Channel PROGRAM
window. Do one of the following:
•
To continue entering “quick startup” data, press
[ESC]
once and
proceed to Step 3 in Entering Global System Data on
page 2-22.
•
To continue regular programming, refer to Appendix A, Menu
Maps , to navigate to the desired menu.
•
To leave the user program, press
[ESC]
three times.
Entering the Zero Cutoff
Value - CHx-I/O
Near a zero flow rate, the Model AT868 readings may fluctuate due to
small offsets caused by thermal drift or similar factors. To force a
zero display reading when there is minimal flow, enter a
zero cutoff
value as described below.
While programming these parameters, refer to Figure A-1 in
Appendix A,
Menu Maps . Remember to record all programmed data
in Appendix C, Data Records .
1.
Press
[ESC]
,
[ENTER]
,
[ESC]
. The meter enters the user program.
2.
Press [
X
] until
PROG
appears and press
[ENTER]
.
3.
Press [
X
] until the desired channel appears. Press
[ENTER]
at
CH1
or
CH2
.
4.
Press [
X
] until
I/O
appears and press
[ENTER]
.
5.
Enter a value from 0 to 1 ft/sec (0 to 0.30 m/sec) for the zero
cutoff by using the arrow keys. 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]
. The recommended setting
is 0.1 ft/sec (0.03 m/sec).
Procedure Options
After completing the above steps, the user program returns to the
Channel PROGRAM
window. Do one of the following:
•
To continue regular programming, refer to Appendix A, Menu
Maps , to navigate to the desired menu.
•
To leave the user program, press
[ESC]
three times.