Chapter 8. Servicing the PT878
156 Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
8.1 Entering the Service Menu
To enter the Service Menu, press the [MENU] key at the lower right of the
PT878 keypad. The Menu Bar replaces the Status Bar at the top of the
screen. Press the [
X] arrow key four times to scroll from the Site Menu to
the Service Menu. At the Service Menu, press
[ENTER]. The screen appears
similar to Figure 105 below. When programming, refer to Figure 142 on
page 225 of Appendix A, Menu Maps.
Figure 105: Service Menu
To scroll to a particular option, press the [
T] or [S] arrow keys until you
reach the option. Then press
[ENTER] to open the option window.
When entering parameters in an option, press:
• The [T] key to step through the available parameters.
• The [S] key to scroll back to a previously entered parameter.
• The [F2] key (Cancel) or the [ESC] key to exit an option at any time and
return to Operate Mode without changing the parameters.
Velocity, ft/s
Signal, dB
0.00
32
Delta-T, ns
0.10
0.0
Volume, l/s
E0: No Errors
Site Program Meter Logging Service
Units
Reports
T-Gauge Display
Test
T-Gauge Setup
Calibrate
Diagnostics
Signal Setup
Error Limits
Test
X
Factory Defaults
Flash Update
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