Vanguard EZCT-2000A - Manual (Page 89)

REV 1 EZCT-2000A USER’S MANUAL
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5.2 Verifying the EZCT-2000A’s V
x
Sense Circuit Using an External Meter
The excitation voltage (V
x
) sensed by the EZCT-2000A can be verified using an external RMS volt
meter. Follow the steps below to verify the EZCT-2000A’s V
x
sense circuit:
a. Connect the X cables to an RMS volt meter as shown in Figure 17.
b. Select the EZCT-2000A’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-2000A LCD screen against the value
displayed on the external volt meter.
e. Press the [STOP] key to end the test.
Figure 17. EZCT-2000A V
x
Verification Test Connections