Vanguard ATO-600 User Manual
Page 21
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ATO-400 / ATO-600 Operating Procedures
21
6.3 Run Normal Test Procedure
The following procedure describes the steps to measure an unknown resistance.
NOTE
The red HIGH CURRENT PRESENT indicator will flash while test current is applied to the
resistive load.
Table 5.0 Run Test Procedure (Measure an Unknown Resistance)
STEP
ACTION
ATO DISPLAY
5-1
Begin RUN TEST procedure:
Press key # 1 on START MENU.
A menu of test options appears.
5-2
Select Normal Test by pressing key #1.
“SELECT TEST CURRENT” menu
appears.
Or
5-3
Select a test current:
Press key a (1 to 7) for the desired test
current. The SELECT BURN-IN TIME
menu appears. Go to step 5-4. For this
example, a 600A test current was selected.
For a user-defined (CUSTOM) test current,
press key # 8 and go to step 5-3a.
5-3a
Custom test current levels (in 1 amp steps)
are entered via the keypad. When finished
entering the value press the “ENTER” key
and go to step 5-4. For this example, we
entered 95A test current.
NOTE
“INVALID ENTRY” will appear on the
display if an invalid value is entered.
or
SELECT TEST CURRENT:
1. 10A 2. 25A 3. 50A
4. 100A 5. 200A 6. 300A
7. 400A 8. CUSTOM
SELECT TEST CURRENT:
1. 10A 2. 25A 3. 50A
4. 100A 5. 200A 6. 300A
7. 600A 8. CUSTOM
SELECT BURN-IN TIME:
1. 5 SEC 2. 10 SEC
3. 20 SEC 4. 30 SEC
5. 60 SEC
ENTER TEST CURRENT
(10 to 100)
95 AMPS
ENTER TEST CURRENT
(10 to 200)
95 AMPS
1.NORMAL TEST
2. AUTOMATIC TEST