Display; Calibration Of Analog Output - GE Measurement Sentinel LCT4 User Manual

Chapter 3. General Programming

3.10 Display

To configure the display, proceed as follows:
1. From the main menu, use the arrow keys to scroll to DISP. The screen displays four options: Views, Contrast,
Backlight, and Mode. Use the arrow keys to select an option to be configured.
2. To set up display Views, select it, and press [ENT]. 1 View and 2 Views appear as options.
3. Move through the categories and set up each view as desired. Press [ESC] to return to the DISP menu.
4. To change the display Contrast, select it, and press [ENT]. Using the arrow keys, change the percentage digits
as desired, and press [ENT]. The screen returns to the DISP menu.
5. To change the display Backlight, select it, and press [ENT]. Using the arrow keys, change the percentage digits
as desired, and press [ENT]. The screen returns to the DISP menu.
6. To change the display Mode, select it, and press [ENT]. Select Normal or Reverse and press [ENT]. The screen
returns to the DISP menu.

3.11 Calibration of Analog Output

To calibrate the analog output, proceed as follows:
1. Connect the Analog Output to an ammeter.
2. From the main menu, use the arrow keys to scroll to CAL. The screen displays one option: 4-20 Loop. Press
[ENT] and four categories appear: Base Trim, Span Trim, Percent and Mode.
3. Select Mode, press [ENT], and select Test(Trim).
4. Set the percentage to 0% and press [ENT].
5. Select Base Trim, press [ENT], and using the arrow keys, enter what the ammeter is reading.
6. Set the percentage to 100% and press [ENT].
7. Select Span Trim, press [ENT], and using the arrow keys, enter what the ammeter is reading.
8. Go to Mode and select Normal.
9. Calibration of the 4-20mA Output Loop is complete.
78 Sentinel™ LCT4 User's Manual