Radio Shack 310 Owner's Manual download pdf (Page 11)

Using a Bench-Top Power Supply

If you are using a bench-top power supply or a 9-volt

battery:

1. Set the input coupling switch to

GND.

Important

: You must first set the input coupling

switch to

GND

to initialize the probe every time

you turn on the ProbeScope, even if you want to

measure a circuit’s signal using the same settings

previously used.

2. Insert the supplied power cable’s barrel plug into

the Probe-Scope’s power jack.

3. Connect the supplied power cable’s alligator clips

to the DC power source.

Cautions:

• Make sure the input power source is between

+9V DC and +13V DC.

• Make sure to observe the proper polarity by

connecting the red clip to + and the black clip

to –.

22-310.fm Page 11 Friday, August 6, 1999 12:26 PM

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Radio Shack 310 Owner's Manual Page 11