Vanguard Instruments VBT-75 S2, Руководство пользователя

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REV 1 VBT-75 S2 USER’S MANUAL
5
Table 2. Functional Descriptions of VBT-75 S2 Controls and Indicators
Item
Number
Panel Markings Functional Description
1
HIGH VOLTAGE High voltage cable connector
2
USB MEM USB flash drive interface for firmware updates
3
Back-lit LCD screen (4 lines x 20 characters).
Viewable in bright sunlight and low-light levels.
4
120/240 Vac, 2A,
50-60 Hz
F3AL 250V
Input power connector with built-in fuse holder and power switch
5 GROUND
VBT ground stud. Connect ground stud to substation ground using the provided
cable.
6 TEST FAILED
Test failure indicator. This indicator turns on if the test current exceeds the
present current threshold (100, 200, or 300
μ
A).
7
PUSH TO
"ARM"
Arm switch; press and hold during testing.
8 CHANGE VBT turn-and-press control knob.
9
HIGH VOLTAGE
ENABLED
This indicator turns on when high test voltage is present at the test leads.
10 GROUND High voltage return cable connector