beautypg.com

Vanguard EZCT-S2 User Manual

Page 55

background image

REV 3 EZCT S2 USER’S MANUAL

51

5.2

Verifying the EZCT S2’s V

x

Sense Circuit Using an External Meter

The excitation voltage (V

x

) sensed by the EZCT S2 can be verified using an external RMS volt

meter. Follow the steps below to verify the EZCT S2’s V

x

sense circuit:

a. Connect the X cables to an RMS volt meter as shown in Figure 13.

b. Select the EZCT S2’s Diagnostics mode (see section 5.1).

c. Press the

[PAPER Contrast]

key to raise the V

x

voltage.

d. Verify the V

x

voltage displayed on the EZCT S2 LCD screen against the value displayed on

the external volt meter.

e. Press the

[STOP]

key to end the test.

Figure 13. EZCT S2 V

x

Verification Test Connections