Setup And Calibration - Cardinal Detecto 758C Owner's Manual

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Table Of Contents

Table of Contents

Your 758C Indicator has been thoroughly tested and calibrated before being shipped to you. If

you received the indicator with a scale, calibration is not necessary. If the indicator is being

connected to a scale for the first time or recalibration is necessary for other reasons, proceed

as indicated.

Calibration and Setup of the indicator is accomplished entirely by

the keypad. To enter the setup and calibration mode:

1. With the power off, remove the 2 screws from the right

end cap (as viewed from the indicator back) and remove

the end cap.

2. Locate the calibration jumper J2 on the circuit board and

remove the jumper. See Figure No. 9.

3. With the jumper removed, press and hold the

LOCK/RELEASE key and then press the ON/OFF key.

4. The indicator will perform a display test (turn on all digits),

show the software version for a few seconds and then

change to show SETUP.

5. Release the LOCK/RELEASE key.

6. The display will change to setgC.

7. The indicator is now ready for setup and calibration

During the setup and calibration process it is necessary to enter operational parameters via the

indicator's keypad. The following keys and the numeric keypad are used to input the values.

ON/OFF

PRINT/ENTER

1. Pressing the PRINT/ENTER key without entering a new value will retain the current

setting and advance to the next prompt.

2. Some prompts require only a YES or NO selection.

3. Other prompts require a numeric value to be entered. Use the numeric keypad to enter

the new value.

4. In either case, pressing the PRINT/ENTER key after changing a setting will save the new

value and advance to the next prompt.

CAUTION! The membrane keypad is not to be operated with pointed

objects (pencils, pens, fingernails, etc). Damage to keypad resulting from

this practice will NOT be covered under warranty.

setgC (SET GRAVITY CONSTANT)

This indicator is equipped with an acceleration of gravity function which means that it can be

calibrated in one location and then adjusted to match the acceleration of gravity at the

location where it will used.

With display showing setgC, press PRINT/ENTER key to show current setting. If setting

displayed is acceptable, press PRINT/ENTER key to save it. Otherwise use numeric keys

0/NO or 1/YES and enter a new setting. Press PRINT/ENTER key to save it.

0 = Gravity Constant is NOT used

NOTE: If you select 1 (Set Gravity Constant) two additional prompts will be displayed.