Vanguard EZCT-S2 User Manual

TM

EZCT S2

DIGITAL CURRENT-TRANSFORMER TESTER

USER’S MANUAL

Vanguard Instruments Company, Inc.

1520 S. Hellman Ave.
Ontario, California 91761, USA

TEL: [phone]
FAX: [phone]

March 2014

Revision 3

EZCT S2 USER’S MANUAL REV 3

SAFETY SUMMARY

FOLLOW EXACT OPERATING PROCEDURES

Any deviation from the procedures described in this User’s Manual may create one or more
safety hazards, may damage the EZCT S2, or cause errors in the test results. Vanguard
Instruments Company, Inc. assumes no liability for unsafe or improper use of the EZCT S2.

All safety precautions provided in this manual must be observed during all phases of testing
including test preparation, test lead connection, actual testing, and test lead disconnection.

SAFETY WARNINGS AND CAUTIONS

The EZCT S2 can produce a voltage up to 1,500 Vac that can cause severe injury and/or
equipment damage. Due to this reason, the EZCT S2 shall be used only by trained operators.

The EZCT S2’s X output terminals are rated to 1,500 Vac working voltage. Any voltage above
1,500 Vac will damage the input circuitry.

All devices under test shall be off-line and fully isolated. Never attempt to test any current
transformer still connected to a circuit. All current transformer terminals shall be isolated
before conducting any test with the EZCT S2.

Always ground the EZCT S2 to a substation ground before connecting the test cables to a
transformer.

DO NOT MODIFY TEST EQUIPMENT

To avoid the risk of introducing additional or unknown hazards, do not install substitute parts or
perform any unauthorized modification to any EZCT S2 test unit. To ensure that all designed
safety features are maintained, it is highly recommended that repairs be performed only by
Vanguard Instruments Company factory personnel or by an authorized repair service provider.
Unauthorized modifications can cause safety hazards and will void the manufacturer’s
warranty.

WARNING

Do not remove test leads during a test. Failure to heed this warning can result in electrical
shock to personnel and damage to the equipment.

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REV 3 EZCT S2 USER’S MANUAL

TABLE OF CONTENTS

CONVENTIONS USED IN THIS DOCUMENT ....................................................................... 1

1.0 INTRODUCTION .................................................................................................................. .. 2

1.1 General Description and Features ................................................................................... 2

1.2 Furnished Accessories ...................................................................................................... 3

1.3 Technical Specifications ................................................................................................... 4

1.4 EZCT S2 Controls and Indicators ...................................................................................... 5

2.0 PRE-TEST SETUP ................................................................................................................... 7

2.1 Operating Voltages .......................................................................................................... 7

2.2 LCD Screen Contrast Control ............................................................................................ 7

2.3 Printer Paper Control ....................................................................................................... 7

2.4 Printer Paper .................................................................................................................... 7

3.0 OPERATING PROCEDURES ................................................................................................... 9

3.1 EZCT S2 Cable Connections .............................................................................................. 9

3.2 Performing Tests ............................................................................................................ 11

3.2.1. Entering Test Record Header Information ............................................................. 11

3.2.2. Performing Excitation and Ratio Tests ................................................................... 14

3.3 Working With Test Records ........................................................................................... 22

3.3.1. Restoring and Printing a Test Record From Flash EEPROM ................................... 22

3.3.2. Printing a Restored Test Record ............................................................................. 25

3.3.3. Printing a Directory of Test Records Stored in the EZCT S2’s Memory .................. 26

3.3.4. Erasing Test Records From the Flash EEPROM ...................................................... 28

3.4 Working With Test Plans ................................................................................................ 30

3.4.1. Extracting the Test Plan From a Test Record ......................................................... 30

3.4.2. Printing a Directory of Test Plans Stored in the EZCT S2’s Memory ...................... 32

3.4.3. Printing a Test Plan ................................................................................................. 34

3.4.4. Erasing Test Plans From the Flash EEPROM ........................................................... 36

3.4.5. Loading a Test Plan from the EZCT S2’s Flash EEPROM ......................................... 38

3.4.6. Running a Test Using a Loaded Test Plan ............................................................... 39

3.4.7. Unloading a Test Plan from the Working Memory ................................................ 43

4.0 CHANGING SETUP PARAMETERS ....................................................................................... 44

4.1 Setting the Knee Point Marker ...................................................................................... 44

4.2 Selecting the Buried CT in Transformer Delta Option ................................................... 46

4.3 Setting the Clock ............................................................................................................ 49

5.0 DIAGNOSTICS, VERIFICATION, AND TROUBLESHOOTING ................................................. 50

5.1 Performing a Diagnostics Test ....................................................................................... 50

5.2 Verifying the EZCT S2’s Vx Sense Circuit Using an External Meter ................................ 51

5.3 Verifying the EZCT S2’s Ix Sense Circuit Using an External Meter .................................. 52

5.4 Quickly Verifying the EZCT S2’s Turns Ratio Circuit ....................................................... 53

5.5 Troubleshooting Guide .................................................................................................. 54

6.0 Appendix A - Calculating Turns Ratio on a Shunt Reactor ................................................. 55

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EZCT S2 USER’S MANUAL REV 3

LIST OF TABLES

Table 1. EZCT S2 Technical Specifications ....................................................................................... 4

Table 2. Functional Descriptions of EZCT S2 Controls and Indicators ............................................ 6

Table 3. Descriptions of Tabulated Test Results Elements ........................................................... 20

Table 4. Description of Test Plan Elements .................................................................................. 35

LIST OF FIGURES

Figure 1. EZCT S2 Controls and Indicators ...................................................................................... 5

Figure 2. Typical EZCT S2 Excitation and Ratio Test Cable Connection .......................................... 9

Figure 3. Bushing CT Connection on Delta Transformer .............................................................. 10

Figure 4. Bushing CT Connection on Y Transformer ..................................................................... 10

Figure 5. Typical EZCT S2 Tabulated Report Printout ................................................................... 19

Figure 6. Typical EZCT S2 Graphic Report ..................................................................................... 21

Figure 7. Typical Internal Test Record Directory Printout ............................................................ 27

Figure 8. Typical EZCT S2 Flash EEPROM Test Plan Directory Printout ........................................ 33

Figure 9. Typical Test Plan Printout .............................................................................................. 35

Figure 10. Graphic Report Showing Knee Point Marker ............................................................... 45

Figure 11. Buried CT in a Delta Transformer Illustration 1 ........................................................... 47

Figure 12. Buried CT in a Delta Transformer Illustration 2 ........................................................... 47

Figure 13. EZCT S2 Vx Verification Test Connections .................................................................... 51

Figure 14. EZCT S2 Ix Verification Test Connections ..................................................................... 52

Figure 15. EZCT S2 Turns Ratio Verification Test Connections ..................................................... 53

Figure 16 ....................................................................................................................................... 55

Figure 17 ....................................................................................................................................... 56

Figure 18 ....................................................................................................................................... 57

Figure 19 ....................................................................................................................................... 58

Figure 20 ....................................................................................................................................... 59

Figure 21 ....................................................................................................................................... 60

Figure 22 ....................................................................................................................................... 61

Figure 23 ....................................................................................................................................... 61

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CONVENTIONS USED IN THIS DOCUMENT

This document uses the following conventions:

•

A key or switch on the EZCT S2 is indicated as

[KEY]

and

[SWITCH].

Menu options are referenced as (MENU OPTION).

•

Screen and menu names are referenced as “SCREEN/MENU NAME”.

•

The terms “test record” and “test shot” are used interchangeably.

•

• EZCT S2 LCD screen output is shown as:

1. OPTION 1

2. OPTION 2

3. OPTION 3

4. OPTION 4

• When instructions are provided, the menu item that should be selected is shown in bold as

shown below (option 3 should be selected):

1. OPTION 1

2. OPTION 2

3. OPTION 3

4. OPTION 4

• Warning messages are indicated as:

Warning message

WARNING

• Important notes are indicated as:

Note details

NOTE

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EZCT S2 USER’S MANUAL REV 3

1.0 INTRODUCTION

1.1 General Description and Features

The EZCT S2 is Vanguard’s second-generation, microprocessor-based, current transformer test
set. The EZCT S2 can perform the current transformer (CT) excitation, CT current-ratio, and
winding polarity tests automatically. The EZCT S2 automatically raises and lowers the excitation
test voltage without any operator intervention. With up to 1500 Vac excitation test voltage
available, the EZCT S2 can easily perform excitation tests on very large CT’s.

Excitation Test

The CT excitation test is performed using the ANSI/IEEE C57.13.1, IEC 60044-1 test method. The
test voltage range for the CT excitation test (50 Vac, 250 Vac, 500 Vac, or 1500 Vac) can be
selected, and then the test voltage is raised and lowered automatically by the EZCT S2. The test
voltage and current data are collected and stored in the unit’s internal memory. Up to 10 CT
excitation and current-ratio tests can be stored in one test record. IEEE-30, IEEE-45, ANSI/IEC
60044-1 (10/50) knee point voltages are also calculated and printed on the test report. Once
the test is completed, test results can be printed and excitation curves can be plotted on the
built-in 4.5-inch wide thermal printer.

CT Ratio and Polarity Test

The EZCT S2 determines the CT current-ratio using the ANSI/IEEE C57.12.90 measurement
method. A test voltage is applied to the CT’s secondary terminals and the induced voltage is
measured through the CT’s H1 and H2 terminals. The CT current-ratio and polarity are displayed
on the screen and stored in memory. The current-ratio measuring range is from 0.8 to 5,000.
The CT winding polarity is displayed as a “+” sign (in-phase) or a “-” sign (out-of-phase) and is
annotated with the phase angle in degrees.

User Interface and Display

The EZCT S2 features a back-lit LCD screen (4 lines by 20 characters) that is viewable in both
bright sunlight and low-light levels. A rugged, alpha-numeric, membrane keypad is used to
control the unit.

Built-in Thermal Printer

A built-in 4.5-inch wide thermal printer can print the current transformer test report and plot
the excitation curves.

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REV 3 EZCT S2 USER’S MANUAL

Test Record Header Information

The test record header information can include the company name, substation name, circuit ID,
manufacturer, CT serial number, operator’s name, and test record comments. In addition to the
test record header, a 20-character test description for each test in the record can also be
entered.

Internal Test Record Storage Capacity

The EZCT S2 can store up to 140 test records in Flash EEPROM. Each test record may contain up
to 10 excitation curves, current-ratio readings, and winding polarity readings. Test records can
be recalled and printed on the built-in thermal printer.

Internal Test Plan Storage Capacity

The EZCT S2 can store up to 128 CT test plans in Flash EEPROM. A test plan defines the
excitation test voltage and current selection, CT nameplate ratio, and CT winding terminal
connection instructions for each test. Up to 10 test definitions can be stored in each test plan.
The use of a test plan greatly simplifies the CT testing process since it also provides instructions
for making the proper CT cable connections. Test plans can be created on the EZCT S2 itself or
created on a PC and downloaded to the EZCT S2 via the unit’s built-in RS-232C or USB port.

Computer Interface

The EZCT S2 can be used as a stand-alone unit or can be computer-controlled via the built-in RS­232C or USB interfaces. A Windows® XP/Vista-based Current Transformer Analysis software
application is provided with each EZCT S2. This software can be used to retrieve test records
from the EZCT S2, create test plans, download test plans to the EZCT S2, and can also be used to
run CT tests from the PC. Tabulated test records can be exported in Microsoft® Excel format.

1.2 Furnished Accessories

The EZCT S2 comes furnished with the following:

• 1 Power Cord

• 2 20-foot X Cable Sets

• 1 35-foot H Cable Set

• One RS-232C serial cable

• One USB cable

• Ground Cables

• Cable carrying duffel bag

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EZCT S2 USER’S MANUAL REV 3

®

1.3 Technical Specifications

Table 1. EZCT S2 Technical Specifications

TYPE Portable current transformer test set

PHYSICAL SPECIFICATIONS 16.8”W x 12.6”H x 12”D (42.7 cm x 32 cm x 26.9 cm); Weight: 55 lbs (25 kg)

INPUT POWER 100 – 120 Vac or 200 – 240 Vac (factory pre-set), 50 Hz/60 Hz

MEASUREMENT METHOD ANSI/IEEE C57.12.90, IEC 60044-1 and ANSI/IEEE C57.13.1 standards

TEST OUTPUT VOLTAGES 0 – 50 Vac @ 10A max, 0 – 250 Vac @ 10A max

0 – 500 Vac @ 5A max, 0 – 1500 Vac @ 1.2A max

VOLTAGE READING RANGE 0 – 2,200 Vac; Accuracy: ±1.0% of reading, ±1 volt

CURRENT READING RANGE 0 – 10A; Accuracy: ±1.0% of reading, ±0.02A

CURRENT-RATIO RANGE 0.8 – 999: 0.1%, 1000 – 1999: 0.3%, 2000 – 5000: 1%

PHASE ANGLE

MEASUREMENT

DISPLAY Back-lit LCD Screen (20 characters by 4 lines); viewable in bright sunlight

PRINTER Built-in 4.5-inch wide thermal printer

COMPUTER INTERFACES One RS-232C port (115k baud), one USB port

PC SOFTWARE Windows

INTERNAL TEST RECORD

STORAGE

INTERNAL TEST PLAN

STORAGE

SAFETY Designed to meet UL 61010A-1 and CAN/CSA C22.2 No. 1010.1-92

ENVIRONMENT Operating: -10˚ to 50˚ C (15˚F to +122˚ F); Storage: -30˚ C to 70˚ C (-22˚F to

CABLES Two 20-foot X cable sets, One 35-foot H cable set, power cord, One cable-

WARRANTY One year on parts and labor

0 - 360 degrees; Accuracy: ±1.0 degree

and low-light levels

XP/Vista-based CT Analysis software is included with purchase

price

Stores 140 test records. Each test record may contain up to 10 sets of
excitation, resistance and ratio data

Stores 128 test plans. Each test plan can store 10 excitation test voltage and
current settings

standards

+158˚ F)

carrying duffel bag

The above specifications are valid at nominal operating voltage and at a
temperature of 25°C (77°F). Specifications may change without prior notice.

NOTE

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1.4 EZCT S2 Controls and Indicators

The EZCT S2’s controls and indicators are shown in Figure 1 below. A leader line with an index
number points to each control and indicator, which is cross-referenced to a functional
description in Table 2. The table describes the function of each item on the control panel. The
purpose of the controls and indicators may seem obvious, but users should become familiar
with them before using the EZCT S2. Accidental misuse of the controls will usually cause no
serious harm. Users should also be familiar with the safety summary found on the front page of
this User’s Manual.

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Figure 1. EZCT S2 Controls and Indicators

EZCT S2 USER’S MANUAL REV 3

Table 2. Functional Descriptions of EZCT S2 Controls and Indicators

Item

Number

1

2

3

4

5

6

7

8

9

10

11

12

Panel Markings Functional Description

Current transformer excitation voltage connector. The EZCT S2’s X output

X

H Current transformer primary input test cable connector.

Built-in 4.5-inch wide thermal printer.

110-120 Vac,

12A, 50-60Hz

Power receptacle.

GROUND Ground terminal.

USB USB PC interface

RS-232C RS-232C PC interface. Baud rate is set for 115KB, 8 data bits, 2 stop bits.

Rugged alpha-numeric keypad.

EMERGENCY

TURN OFF

“PUSH”

HIGH VOLTAGE

PRESENT

terminal is rated to 1500 Vac working voltage. Any voltage above 1500 Vac
will damage the input circuitry.

Power switch with built-in circuit breaker.

Back-lit LCD screen (20 characters by 4 lines); viewable in bright sunlight and
low-light levels.

Emergency turn off switch.

Test voltage presence indicator.

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REV 3 EZCT S2 USER’S MANUAL

2.0 PRE-TEST SETUP

2.1 Operating Voltages

The EZCT S2’s operating voltage is preset at the factory for 100-120 Vac, 50/60 Hz or 200-240
Vac, 50/60 Hz.

2.2 LCD Screen Contrast Control

To increase the LCD screen contrast, press and hold the [PAPER ∧ Contrast] key for two
seconds. Release the button when the desired contrast level has been reached.

To decrease the LCD screen contrast, press and hold the [PAPER ∨ Contrast] key for two
seconds. Release the button when the desired contrast level has been reached.

2.3 Printer Paper Control

To advance the thermal printer paper, press and release the [PAPER ∧ Contrast] key.

To retract the thermal printer paper, press and release the [PAPER ∨ Contrast] key.

2.4 Printer Paper

The EZCT S2’s built-in thermal printer uses 4.5-inch wide thermal paper for printing test results.
To maintain the highest print quality and to avoid paper jams, the use of thermal paper
supplied by Vanguard Instruments Company is highly recommended. Additional paper can be
ordered from the following sources:

Vanguard Instruments Co, Inc.

1520 S. Hellman Avenue
Ontario, CA 91761
Tel: [phone]
Fax: [phone]
Part Number: VIC TP-4 paper

BG Instrument Co.

13607 E. Trent Avenue
Spokane, WA 99216
Tel: [phone]
Fax: [phone]
Part Number: VIC TP-4 paper

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EZCT S2 USER’S MANUAL REV 3

2.5 Replacing the Thermal Printer Paper

The roll of thermal paper is housed inside a dispenser underneath the printer cover. To replace
the paper, follow the steps below:

• Unscrew the two large printer cover screws and remove the printer cover.

• Remove the leftover thermal paper roll from the paper holder.

• Unroll the new thermal paper roll.

• Feed the thermal paper into the slot between the paper pocket and the rubber roller.

The printer will automatically pull the paper under the thermal head.

• Place the paper roll into the paper holder.

• Lift the thermal head and align the thermal paper if necessary.

• Re-install the printer cover.

Thermal paper has a chemical coating on one side of the paper. This side should be
facing the thermal print head. Incorrect paper loading may result in blank output on

NOTE

the thermal paper.

The thermal paper will show a red stripe to indicate that the roll is about to run out
of paper.

2.6 Computer Interface Ports

The EZCT S2 features one USB and one RS-232C PC interface port. A Windows-based “Current
Transformer Analysis” software application is supplied with the EZCT S2. For further
information, please see the software user’s manual.

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REV 3 EZCT S2 USER’S MANUAL

3.0 OPERATING PROCEDURES

3.1 EZCT S2 Cable Connections

Always connect the EZCT S2 to the substation ground before connecting any test cables. The X
cable connections are required to run the current transformer excitation test. The H and X cable
connections are required to run the transformer turns-ratio test. A typical excitation and ratio
test connection is shown in Figure 2. Transformer bushing CT connections for Delta and Y
transformers are shown in Figure 3 and Figure 4, respectively.

Figure 2. Typical EZCT S2 Excitation and Ratio Test Cable Connection

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EZCT S2 USER’S MANUAL REV 3

Figure 3. Bushing CT Connection on Delta Transformer

Figure 4. Bushing CT Connection on Y Transformer

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REV 3 EZCT S2 USER’S MANUAL

3.2 Performing Tests

3.2.1. Entering Test Record Header Information

You can enter the test record header information before performing tests. The record header
includes identifying information such as the company, station, circuit, model number, etc. Once
the header information has been entered, it will apply to all subsequent test records. To enter
the header information:

a. When the unit is turned on and the firmware has been loaded, you will be presented

with the “START-UP” menu as shown below:

1. RUN TEST 12/01/09

2. SETUP 08:16:25

3. TEST PLANS

4. DIAGNOSTIC

Press the [2] key (SETUP).

b. The following screen will be displayed:

1. RECORD ID

2. PRINT RECORD

3. RESTORE RECORD

4. NEXT PAGE

Press the [1] key (RECORD ID)

c. The following screen will be displayed:

COMPANY:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Type the company name using the alpha-numeric keypad.

When pressing a key, the corresponding number on the key will be displayed first.
Pressing the key again will display the first letter on the key. Pressing the key again will
display the second letter on the key. For example, to type the letter “A”, you must press

[2] key twice. To erase the character at the cursor position, press the [CLEAR] key.

the
Press the

∨ Contrast]

[PAPER ∧ Contrast] key to move to the next character. Press the [PAPER

key to move to the previous character. Press the [ENTER] key when you

are done typing the company name.

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d. The following screen will be displayed:

STATION:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Type the station name using the alpha-numeric keypad and then press the [ENTER]
key.

e. The following screen will be displayed:

CIRCUIT:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Type the circuit information using the alpha-numeric keypad and then press the

[ENTER] key.

f. The following screen will be displayed:

EZCT S2 USER’S MANUAL REV 3

MANUFACTURER:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Type the manufacturer name using the alpha-numeric keypad and then press the

[ENTER] key.

g. The following screen will be displayed:

MODEL:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Type the model information using the alpha-numeric keypad and then press the

[ENTER] key.

h. The following screen will be displayed:

SERIAL NUMBER:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Type the serial number using the alpha-numeric keypad and then press the [ENTER]
key.

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REV 3 EZCT S2 USER’S MANUAL

i. The following screen will be displayed:

COMMENTS:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Enter any relevant comments using the alpha-numeric keypad and then press the

[ENTER] key.

j. The following screen will be displayed:

OPERATOR:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Type the operator’s name using the alpha-numeric keypad and then press the [ENTER]
key. All header information will be saved, and you will be returned to the “START-UP”
menu.

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EZCT S2 USER’S MANUAL REV 3

3.2.2. Performing Excitation and Ratio Tests

The following procedure describes the general steps for performing excitation and ratio tests.

a. When the EZCT S2 is turned on, it will first go through a start-up cycle and load the

firmware. Then the “START-UP” menu will be displayed as shown below:

1. RUN TEST 12/01/09

2. SETUP 08:20:19

3. TEST PLANS

4. DIAGNOSTIC

Press the

[1]

key (RUN TEST) to start a test.

b. The following screen will be displayed:

1. EXCITATION & RATIO

2. EXCITATION ONLY

3. RATIO ONLY

Select the test type by pressing the corresponding key (

c. The following screen will be displayed:

SELECT TAP:

1. X1-X2 3. X1-X4

2. X1-X3 4. X1-X5

5. NEXT PAGE

Select the tap connection by pressing the corresponding key (
connection is not listed, press the

[5]

key to view the next page of options.

d. The following screen will be displayed:

HOOK CABLES TO CT:
X1 CABLE to CT-X1
X2 CABLE to CT-X2
“ENTER” TO CONTINUE

[1] - [3]

[1] - [4]

)

). If the tap

The cable connection information displayed depends on your selection in step
c.

NOTE

Press the

[ENTER]

key to continue.

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e. If the selected test included an excitation test, the following screen will be displayed:

SELECT VOLTAGE RANGE

1. 50V 2. 250V

3. 500V 4. 1500V

Select the test voltage range by pressing the corresponding key (

[1]

-

[4]

).

f. If the selected test included an excitation test, the following screen will be displayed:

SET TEST CURRENT:

1. 0.2A 2. 0.5A

3. 1A 4. 2A

5. 5A 6. 10A

Select the maximum test current for the excitation test by pressing the corresponding
key (

[1] - [6]

).

Most CT’s will saturate before the excitation current reaches 1A. To reduce
stress on CT’s, a maximum test current of 1A is recommended.

NOTE

g. If the selected test included a ratio test, the following screen will be displayed:

XFMR NAME PLATE RAT.

1. YES

2. NO

1. YES

Press the

[1]

key if you would like to enter the CT nameplate values. The

following screen will be displayed:

ENTER PLATE RATIO:

0 :

Type the first number using the keypad.

You can press the

Press the

[ENTER]

[CLEAR]

key to restart a field entry if necessary.

key. The following screen will be displayed:

ENTER PLATE RATIO:

80 : 0.0

Type the second number using the keypad. The screen will be updated as shown:

15

ENTER PLATE RATIO:

80 : 1.0

Press the [ENTER] key. Continue to step h.

2. NO

Press the [2] key if you do not want to enter the CT nameplate values. Continue
to step h.

h. The following screen will be displayed:

ENTER TEST 1 NOTE:

↑/↓ TO POSITION
“ENTER” TO ACCEPT

Use the alpha-numeric keys on the keypad to enter a test note. The test note field is 20
characters long. One test note can be saved for each test.

EZCT S2 USER’S MANUAL REV 3

When pressing a key, the corresponding number on the key will be displayed first.
Pressing the key again will display the first letter on the key. Pressing the key again will
display the second letter on the key. For example, to type the letter “A”, you must press
the [2] key twice. To erase the character at the cursor position, press the [CLEAR] key.
Press the [PAPER ∧ Contrast] button to move to the next character. Press the

[PAPER ∨ Contrast]

key to move to the previous character. Press the [ENTER] key

when you are done typing the note.

i. The following screen will be displayed:

TEST 1 PARAMETERS:
1500V 1.0A X1-X2

“START” TO BEGIN

Press the

[START] key to begin running the test.

j. If the selected test included an excitation test, the following screen will be displayed:

CABLES ENTERGIZED!
1500V 1.0A X1-X2
I = 0.6810 AMPS
V = 61.0 VAC

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