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SDA 601 Serial Digital Analyzer User Manual
Supplying Power
The SDA 601 is DC powered. You may power it with the standard AC
adapter, the optional 9.6 V NiCad battery pack, eight standard AA
batteries, or a “BP” type battery pack with the correct voltage and po-
larity. The external DC power connector is on the left side of the
instrument.
Figure 1: Opening the Battery Compartment
To install AA batteries or the battery pack, open the battery compart-
ment of the SDA 601 by pressing down on the cover and sliding it in
the direction of the inscribed arrow, as shown above. When the cover
tabs line up with the slots in the case, lift the cover away from the
instrument. Install batteries in alternating directions as indicated by
the graphic molded into the “floor” of the battery compartment. If us-
ing the optional battery pack, take the time to identify both contacts
and install the pack properly.
When selecting a power source for your SDA 601, please remember:
H Attempting to use an improper AC adapter can cause permanent
damage to the instrument. USE AN APPROPRIATE DC POWER
SOURCE ONLY: Voltage must be between 9 and 15 VDC; the
center contact of the connector must be NEGATIVE polarity; and
open-circuit voltage must not exceed 18 VDC. For best results, use
the adapter supplied with the instrument.
H There is no need to remove the optional NiCad battery pack for
recharging. The SDA 601 will “trickle charge” the battery pack
whenever the standard AC adapter is attached and the instrument