Vanguard ATRT-03_03B S2 - Manual (Page 17)

REV 2 ATRT-03 S2, ATRT-03A S2, AND ATRT-03B S2 USER’S MANUAL
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Table 6. Functional Descriptions of ATRT-03B S2 Controls and Indicators
Item
Number
Panel Markings Functional Description
1
EMERGENCY
TURN-OFF
“PUSH”
Emergency turn off test voltage switch.
2
Back-lit LCD screen (64 x 128 dot graphic), viewable in bright sunlight
and low-light levels.
3 H H voltage connector.
4
USB
MEM
USB Flash drive interface port.
5 X X voltage connector.
6
LTC
CONTROL
Load Tap Changer controller connector.
7
120-240 Vac, 2A, 50-60 Hz
Fuse: 250Vac, 5A Fast-Blow
Input power connector and fused power switch with third-wire safety
ground.
8 GROUND Ground stud for connecting to sub-station ground.
9
CHANGE
“PUSH”
TO SELECT
Control knob. You can scroll through menu items by turning the control
knob. A highlighted menu item can be selected by pushing the control
knob.
10
LTC
CONTROL
Load Tap Changer control buttons.
11 Rugged alpha-numeric keypad.
12
TEST
IN
PROGRESS
This LED flashes in response to commands or when a test voltage is
applied to the test transformer.
13 RS-232C RS-232C PC interface connector.
14
USB
PC
USB PC interface connector.