Vanguard ATRT-03_03B User Manual
Page 18

REV 7 ATRT-03, ATRT-03A, AND ATRT-03B USER’S MANUAL
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Table 6. Functional Descriptions of ATRT-03B Controls and Indicators
Item
Number
Panel Markings
Functional Description
1
Back-lit LCD screen (20 characters by 4 lines), viewable in bright
sunlight and low-light levels.
2
H
H voltage connector.
3
X
X voltage connector.
4
120/240 Vac, 1A, 50/60Hz
Fuse: 250Vac, 2A Fast-Blow
Input power connector and fused power switch with third-wire safety
ground.
5
Ground stud for connecting to sub-station ground.
6
RS-232C
RS-232C PC interface connector.
7
TEST
IN
PROGRESS
This LED flashes in response to commands or when a test voltage is
applied to the test transformer.
8
Rugged alpha-numeric keypad.
9
EMERGENCY
TURN OFF
“PUSH”
Emergency turn off test voltage switch.