Quick Reference
Key Name Description
[Shift]+[3] (AC) Press the [AC] key to set the instrument to AC out-
put mode.
[Shift]+[6] (DC) Press the [DC] key to set the instrument to DC out-
put mode.
[Shift]+[9] (+/–) Positive and negative signs.
1.4 Rear Panel at a Glance
The rear panel of this series instruments is shown below.
• IT7221 rear panel
No. Name Description
1 Output terminals AC or DC output terminals and chassis ground ter-
minals, used to connect DUT.
2 Remote sense
terminals, Output
lock terminals
• sL+ and sN- are remote sense terminals, used
for maximizing measurement accuracy.
• L+ and N- are output terminals. These two ter-
minals are not suitable for transmitting large
current. Therefore, they cannot be connected
to the DUT, which are only used for short circuit
during local measurement.
Copyright © Itech Electronic Co., Ltd.
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