NCR 7870 manual 11040

5-6 Chapter 5: Calibration

4.Remove the Scale Board Shield.

a)Break seal wire and seal sticker if present.

b)Remove thumbscrew. Use needle-nosed pliers to loosen if thumbscrew is tight.

c)Remove Shield.

Scale Board Shield

Calibration Switch (under shield)

Scale Hinge Assembly

11040

5.Set Top Plate on rubber bumpers of Scale Hinge Assembly. Make sure bumpers fit into corresponding sockets on bottom of Top Plate.

6.Apply power to 7870.

7.Does the unit have any of the following: an Integrated Display, a 7825 Remote Display, or the Voice Messaging Feature (must be enabled)?

NO → Go to Section 3 - Connecting the Field Service Calibration Display

YES → Go to Section 4 – Performing the Calibration