GE CTF878, User & Service Manual

Page: 8 / 72

Diagnostics 1-1
February 2009
Introduction
For convenience, the CTF878 offers a Service Menu (see the Service
Menu Map , Figure 3-10 on page 3-11). This menu enables the user to
perform a variety of functions that might occasionally be required.
Those covered in this chapter include:
•
run diagnostics
•
set up signal and data processing parameters
•
define error limits
•
test the CTF878 screen and keys
•
diagnose setup problems
Entering the Service
Menu
To enter the Service Menu, press the
[MENU]
key at the lower right of
the CTF878 keypad. The Menu Bar replaces the Status Bar at the top
of the screen. Press the [
X
] arrow key to scroll from the Site Menu to
the Service Menu. At the Service Menu, press
[ENTER]
. The screen
appears similar to Figure 1-1 below.
Figure 1-1: 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.
Units
Test
Site Program Meter Logging
Signal Setup
Error Limits
Test
Factory Defaults
Flash Update
Calibrate/Test
Test EEProm
34
0 50 100
15.38
Service
Diagnostics
Velocity, m/s
Corr SNR