Entering Signal Parameters; Entering Error Limits - GE Measurement Sentinel LCT4 User Manual

3.6.3 Entering Signal Parameters

In the Signal submenu, set parameters that affect the transducer signal:
CAUTION! The SIGNAL default settings are suitable for most applications. Consult the factory before
changing any of these settings.
Note: Under Channel Programming, the only signal parameter that can be changed is Zero Cutoff.
While following the programming instructions, refer to Figure 66 on page 136.
Note: From the
PROG
twice to select it (once to enter and again to confirm the selection).
[ENT]
To enter the Signal submenu:
. The Sentinel LCT4 enters the User Program.
1. Press
[ESC]
2. Press the [] key until PROG is bracketed and press
3. Use the [] and [] keys to scroll to the desired Channel and press
4. Scroll to the Signal option and press
5. The prompt requests the Zero Cutoff. Near "zero" flow, the Sentinel LCT4 may have fluctuating readings due
to small offsets (caused by factors such as thermal drift in the fluid). The zero cutoff causes velocity
measurements less than the cutoff to be reported as zero. To set the cutoff, press
to enter the new value. Press
Entering parameters in the Signal option has been completed. Press [ESC] to return to the PROG menu, or continue
pressing [ESC] until the display screen reappears.

3.6.4 Entering Error Limits

The Error Limits option enables setting limits for an incoming signal. When the signal falls outside the programmed
limits, an error indication appears on the display screen. To set error limits, follow the steps below.
Note: From the
PROG
twice to select it (once to enter and again to confirm the selection).
[ENT]
. The Sentinel LCT4 enters the User Program.
1. Press
[ESC]
2. Press the [] key until
3. Use the [] and [] keys to scroll to the desired Channel and press
Sentinel™ LCT4 User's Manual
menu, proceed directly to Step 4. To select a different option, scroll to that option and press
[ENT].
to confirm the entry.
[ENT]
menu, proceed directly to Step 4. To select a different option, scroll to that option and press
is bracketed in the upper left corner and press
PROG
[ENT].
[ENT].
[ENT].
Chapter 3. General Programming
, and use the arrow keys
[ENT]
[ENT].
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