GE CTF878, User & Service Manual

Page: 32 / 72

Calibration 3-1
February 2009
Introduction
For user convenience, the CTF878 offers a Calibration/Test Menu.
This menu enables users to perform a variety of functions that might
occasionally be required to calibrate the CTF878.
Refer to the Service Menu Map, Figure 3-10 on page 3-11, while
moving through the following procedures.
Entering the Calibration/
Test Menu
Enter the Service Menu as described on page 1-1, then select the
Calibrate/Test option. The screen appears similar to Figure 3-1 below.
Figure 3-1: Calibrate/Test 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
0 50 10
Diagnostics
AnalogIns (2)
Digital Outputs (3)
RTDs (4)
RTDs (5)
15.38
34
Service
Calibrate / Test
Velocity, m/s
Corr SNR
Main Board (0)