7
TRT33A Description
4
Description
4.1
Front Panel Components
Alphanumeric keypad
Use this keypad to enter value of memory location, nameplate voltages or set Time and Date
UP/DOWN
To select a menu, navigate in the active menu, and set test parameters.
STOP
Press to stop a test, stop the alarm buzzer, or return to previous menu.
START
Press to start a test.
Test parameters must be selected beforehand.
ENTER
Use this button to confirm the test parameters defined, change Language, Time and Date, or to view
memory location.
SET
To scroll between the
CONFIGURATION
and
MEMORY
menu, set time and date, or change memory
location.
TC CONTROL unit
To control Tap changer from the TRT33A device using UP and DOWN buttons.
Green LED
• Lights continuously when TRT33A is turned on.
• Flashes when the test can be started.
Display
UP/DOWN
to
navigate and set
test parameters
ENTER
to confirm the
defined test parameters
STOP
to stop
a test
START
to start
the test
SET
to scroll
between main
menus
Alphanumeric keypad
to enter numerical value
TC CONTROL
unit
to
control Tap changer
Figure 4-1:
Front panel
components
HV
connector
LV
connector
Safety Emergency Stop
Press this button to turn off the test
voltage. Turn Clockwise to release.