Chapter 4 DESCRIPTION OF FRONT AND REAR PANEL ITEMS
4-18
4.2 Display Items
PROTECTION
READY
TEST
PASS
AC
kV
mA
FAIL
DC
s
CURRENT TIME
UPPER LOWER
KEYLOCK
REMOTE
TIMER ON
LOWER ON
UPPER
LOWER
RANGE
kV
VOLTAGE
20 21 22 23 25
24
26 27 34 33
3219 28 29 30 31
Figure 4.4 Display
Vaccum Fluorescent Display
The vaccum fluorescent display indicats the test conditions, test results, and other items as
described in this section.
4.2.1 Test Voltage Display
TEST VOLTAGE RANGE Message
This message, which is a 7-segment 2-digit message, indicates the test voltage range selected
with the TEST VOLTAGE switch
. The selectable test voltage ranges are as follows:
Model Test voltage range
TOS5101 10kV 5kV
TOS5051 5kV 2.5kV
TOS5050 5kV 2.5kV
Caution
• As you change test voltage ranges with the
TEST VOLTAGE
switch
, the TEST VOLTAGE RANGE message
blinks to indicate that
the ranges have been changed. Blinking stops as you press the
STOP
switch
or as you start the test by pressing the
START
switch
.
• During the TEST-0N period (period that the TEST message
2
appears), the
TEST VOLTAGE
switch
is disabled. During this
period, it is possible that the actual position of the switch does not
conform with the TEST VOLTAGE RANGE message
or the
AC / DC test mode message
2
.
• Do not let the
TEST VOLTAGE
switch
caught on a midway in
turning it from one range position to another range position. If you
turn ON the
POWER
switch
while the
TEST VOLTAGE
switch
is caught on a midway, the TEST VOLTAGE RANGE message