9- START. Starts the test.
:- SVT/PI. It displays the calculated value as the result of a Step Voltage Test
(SVT) or of Polarization Index (PI).
;- STOP. End of test.
<- DAI. It displays the calculated value as the result of a Dielectric Absorption
Index.
Led's
=- Indicates FILTER key on.
>- The equipment is in the 500 V - steps test voltage. The fast selection keys
are enabled, too.
?- The equipment is in the 100 V - steps test voltage. The fast selection keys
are enabled, too.
@- Indicates that the BATTERY CHARGER is in operation. During the charge, it
flashes in red, turning to green when the battery reaches the total charge,
and it continues like this as long as the charger is connected to the mains.
A- Keys 7 and 8 enable the equipment Operation Mode selection.
B- MEM function is on.
C- Keys 7 and 8 enable the Resistance Limit selection for the "Pass-fail test".
D- The PRINTER is on (the measured values are printed to paper).
9