Kikusui TOS5050, Operation Manual, Page: 57 / 139

Chapter 4 DESCRIPTION OF FRONT AND REAR PANEL ITEMS
4-19
will indicate 0 kV, both
AC
/
DC
test mode messages 20 will
appear at the same time (except for TOS5050) and will blink to show
that no range selection has been successfully accomplished. When
this has occurred, turn the
TEST VOLTAGE
switch 5 accurately to
a range position. As you do so, the Tester will become the READY
status (status that the
READY
message
28
appears). When in this
status, blinking stops as you press the
STOP
switch 3 or as you
start the test by pressing the
START
switch
2
.
20
AC/DC Test Mode Message
This message indicates whether the AC or DC test mode has been selected with the TEST
VOLTAGE
switch
5
. The selectable modes are as follows:
Model Test Mode
TOS5101 AC DC
TOS5051 AC DC
TOS5050 AC —
Caution
• The TOS5050 is for the AC test mode only. It has no
DC
test mode
message
20
.
• As you change the modes with the
TEST VOLTAGE
switch
5
, the
message blinks to indicate that the modes have been changed. Blink-
ing stops as you press the
STOP
switch
3
or as you start the test
by pressing the
START
switch
2
.
• During the TEST-ON period (period that the TEST message 29
appears), the
TEST VOLTAGE
switch
5
is disabled. During this
period, it is possible that the actual position of the switch does not
conform with the TEST VOLTAGE RANGE message
19
or the
AC / DC test mode message
20
.
• Do not let the
TEST VOLTAGE
switch
5
caught on a midway in
turning it from one range position to another range position. If you
turn ON the
POWER
switch 1 while the
TEST VOLTAGE
switch
5
is caught on a midway, the TEST VOLTAGE RANGE message
19
will indicate 0 kV, both
AC
/
DC
test mode messages
20
will
appear at the same time (except for TOS5050) and will blink to show
that no range selection has been successfully accomplished, and the
READY message
28
will disappear to show that the Tester is
not in the READY status. When this has occurred, turn the
TEST
VOLTAGE
switch
5
accurately to a range position. As you do so,
the Tester will become the READY status (status that the
READY
message
28
appears). When in this status, blinking stops
as you press the
STOP
switch
3
or as you start the test by pressing
the
START
switch 2 .