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Chapter 8. Servicing the PT878
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual 191
8.10.4 Setting Impulse Response
The Impulse Response option enables you to force the meter to transmit in
one direction only, without changing the AGC setting. You can then
diagnose problems with transducer, pipe, or fluid configurations. To enter
the option, scroll down to the Impulse Response entry in the Service Menu
and press
[ENTER]. The screen appears similar to Figure 127 below.
Figure 127: Impulse Response Option
1. The first prompt asks in which direction you wish the meter to transmit,
upstream or downstream.
a. Press [ENTER] to open the drop-down list.
b. Use the [T] or [S] arrow keys to scroll to the desired number.
c. Press [ENTER] to confirm your selection.
Transmit
Stop Exit
Impulse Response
.
Direction Upstream
Percent Gain
20 %
Stopped.