Vanguard ATRT-03_03B - Manual (Page 16)

REV 7 ATRT-03, ATRT-03A, AND ATRT-03B USER’S MANUAL
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Table 5. Functional Descriptions of ATRT-03A 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 4.5-inch wide thermal printer.
5 POWER Power switch.
6
120/240 Vac, 1A, 50/60Hz
Fuse: 250Vac, 2A Fast-Blow
Input power connector with third-wire safety ground.
7 GROUND Ground stud for connecting to sub-station ground.
8 CHARGE LED is lit when internal batteries are being charged.
9
+12V
GROUND
12 VDC input connectors.
10 RS-232C RS-232C PC interface connector.
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
EMERGENCY
TURN OFF
“PUSH”
Emergency turn off test voltage switch.