Vanguard Accu-Trans - Manual (Page 10)

Accu-Trans

Operating Procedures
6
Table 1.0 Functional Descriptions of Accu-Trans Controls and Indicators
Fig. 1
Index Panel Markings Functional Descriptions
1
RS-232C
Computer interface port; 9-pin connector;
female DB type.The data are set to 19,200
baud, 1 start bit, 2 stop bits, 8 data bits, and no
parity bit.
PIN SIGNAL
2 Rx
3 Tx
5 Signal Gnd
2 (Not titled; 16-key pad) Pushbutton operating controls; 10 key pad, plus
START, STOP, ENTER, CLEAR, two paper-
drive buttons; number keys 2 thru 9 have dual
functions as letter entries (a la telephone dialer
key pad).
3 (Not titled; LCD) Liquid-Crystal Display, 4-line by 20 character;
back lighted and readable in sunlight; Displays
menus, user selections, status readouts, and test
results.
4 120/240 2A, 50-60 Hz
Fuse: 250 Vac, 3A Slow Blow Input power connector with third-wire safety
ground, ON (1)/OFF (0) rocker toggle switch;
has built-in fuse protection.
5 GROUND Stud, 5/16-18 thread, with hand-turned wing
nut; Safety Ground; This must be connected to
station ground before connecting cables to
transformer and begin testing.
6 (Not titled; thermal printer) Built in thermal printer; prints test results in the
field on 2.5-inch-wide paper. NOTE: For best
high-contrast print quality, it is recommended
that only VIC thermal paper be used.
7
HIGH CURRENT
PRESENT
LED indicator light, red; When lighted, this
indicator warns operators that there is a
possibility that lethal high voltage will exist if
any test lead is disconnected while current is
running through an inductive load. Failure to
heed this warning can result in shock and/or
fatal injury to personnel.
8 (Not titled; test lead jacks) Test connector jacks, female; for connecting
heavy gauge current leads and voltage-sensing
test leads. Plug-in voltage plugs are not polarity
sensitive, but must be plugged into the jacks
adjacent to their companion current jacks.