The Singing Machine 7 Pad Electronic Drum Set SMI-1452 - Manual (Page 6)

SETTING UP
Power Supply
Your digital drum set will operate on either batteries or the supplied power adaptor. Follow the
instructions below according to the power source you intend to use.
Using the AC-Adaptor
Connect the power adaptor to the DC IN jack
located on the rear panel of the unit, and plug the
AC power adaptor into an AC power outlet.
Do not use adaptors other than the one specified.
The technical specification of the adaptor is DC
12V output, center positive type.
Using Batteries
1. Open the battery compartment cover under
the unit.
2. Insert six “C” size, R14 SUM-2 or equivalent
batteries. When inserting the batteries, follow
the polarity markings in the illustration.
Note: We suggest using alkaline batteries.
3. Close the battery compartment securely.
Using Headphones
An optional set of stereo headphones can be connected
to the PHONES/OUTPUT jack located on the rear panel.
When headphones are connected to the jack, the
internal speakers of the unit will switch off automatically
(Perfect for private practice or late night playing). If you
would prefer to use an external sound system, the
headphone jack can also be used to connect the digital
drum set to a stereo system or mixing console.
Turn off the power on all equipment before
making any connections.
Note:
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Power will be automatically drawn from the AC adaptor if an optional AC adaptor is connected while batteries are
installed in the instrument.
It is recommended that you replace worn batteries as soon as possible. When battery voltage drops, the display will
dim and / or the sound will become distorted, when this occurs, replace the batteries with a complete set of six new
batteries of the same type.
NEVER mix old and new batteries, different types of batteries (alkaline, magnesium, etc.), Different brand batteries or
batteries from the same brand but of different types. Misuse may cause the instrument to become hot, result in fire,
or battery leakage.
Also, to prevent damage due to battery leakage, remove all the batteries from the instrument when it is not to be
used for an extended period of time.
If batteries are installed in this instrument, and the instrument is unused for a long period, they will loose their power.
CAUTION:
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