⑧
Insulation Resistance Switch (M
Ω
) : By pressing this switch, the insulation
resistance value calculated by voltage
and Ior value will be displayed. When
voltage is not inputted, the display will
become “OL”. Fix the wiring system
correctly. By once for 1
Φ
, twice for
△
and three times for Y.
⑨
LCD Display (LCD) : Showing the measured values, measuring mode,
conditions of battery, etc.
⑩
Data Hold Switch (D-HOLD) : By once press,
｢
DH
｣
mark will be displayed.
(MEM CLR) At the same time, the empty block number will be
displayed and the displayed value will be
memorized in the displayed block by pressing
｢
ENT
｣
switch. By pressing
｢
DH
｣
switch again
without
｢
ENT
｣
switch, Data Hold function will be
released.
⑪
Empty Switch (ENT) : This switch is for memorization of displayed values.
⑫
Frequency Change Switch : Set according to power supply frequency.
⑬
RIGHT
･
tan
δ
ON Switch : Press this switch to measure Ior current and M
Ω
by calcurating tan
δ
and “tan
δ
” mark will be
blinking on the display. During MEMORY ON, press
this switch to change the first ordinal number and it
will be blinking.
⑭
LEFT
･
tan
δ
OFF Switch : Press this switch to release “tan
δ
” display and “tan
δ
” will become non-blinking. During MEMORY ON,
press this switch to change the tenth ordinal
number and it will be blinking.
⑮
UP Switch : To memorize the display data, press this switch to
set the memory number. During MEMORY ON,
press this switch to select the memory number to
be recalled.
⑯
DOWN Switch : Use this switch to set the memory number together
with UP Switch.
⑰
Voltage Input Terminal (
～
V INPUT) : To measure Ior current, input voltage to this
terminal (black one is Ior the grounding
side).
⑱
Battery Cover (Rear Side) : Remove this cover to change the batteries.
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