GE PT878GC 用户手册
April 2004
9-2
Servicing the PT878GC
Entering the Service Menu
To enter the Service Menu, press the
[MENU]
key at the lower
right of the PT878GC keypad. The Main Menu replaces the
Status Bar at the top of the screen. Press 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
Service Menu, press
[ENTER]
. The screen appears similar to
Figure 9-1 below. When programming, refer to Figure A-10 on
page A-10 of Appendix A, Menu Maps.
page A-10 of Appendix A, Menu Maps.
Figure 9-1: The 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.
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
Test
Calibrate
Diagnostics
Error Limits
Test
X
Factory Defaults
Flash Update
Signal Setup
T-Gauge Display
T-Gauge Setup