Vanguard ATRT-03_03B S2 - Manual (Page 15)

REV 2 ATRT-03 S2, ATRT-03A S2, AND ATRT-03B S2 USER’S MANUAL
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Table 5. Functional Descriptions of ATRT-03A 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 POWER Power switch
8
120-240 Vac, 2A, 50-60Hz
Fuse: 250Vac, 5A Fast-Blow
Input power connector with third-wire safety ground.
9 GROUND Ground stud for connecting to sub-station ground.
10 CHARGE LED is lit when internal batteries are being charged.
11
+12V
GROUND
12 VDC input connectors.
12 4.5-inch wide thermal printer.
13
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.
14
LTC
CONTROL
Load Tap Changer control buttons.
15 Rugged alpha-numeric keypad
16
TEST
IN
PROGRESS
This LED flashes in response to commands or when a test voltage is
applied to the test transformer.
17 RS-232C RS-232C PC interface connector.
18
USB
PC
USB PC interface connector.