Using The Probe - Cal Test Electronics CT3688A User Manual

USING THE PROBE

Power Connection
Connect the USB power cable to the USB interface on the front of the
oscilloscope and then to the input on the probe. See figure below.
CAUTION
WARNING
If powering by 9 V battery, slide the cover off the back of the battery box and
plug the battery in, making sure to position the battery for proper polarity. After
inserting the battery, close the case. See figure below.
When the battery is low, the power indicator will start to flicker and dim.
Only use center pin positive supply, USB cable included
or optional 9 VDC/300 mA AC wall adapter (CT3723 not
included).
At the time of powering on the probe, the input leads
must not be connected to the device under test (DUT).
Never operate the probe with the case open.
CAL TEST ELECTRONICS
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