Schumacher SI263 - Manual (Page 16)

1. To connect to a negative-grounded system, attach the red
POSITIVE output clamp to the POSITIVE post of the battery.
Twist the clamp back and forth to ensure a solid electrical
connection is made.
2. Connect the black NEGATIVE output clamp to a heavy, un-
painted metal part of the chassis or engine block, away from
the battery. (See illustration.) DO NOT connect the clamp to
the negative battery post, carburetor, fuel line or sheet metal
part.
3. Plug the power cord into an AC outlet.
4. To select the desired charge rate and battery voltage, press
the appropriate CONTROL BUTTONS: The CHARGING
(yellow) LED illuminates when the charging process begins.
If the CHECK (red) LED illuminates, ensure correct cable
connections.
5. To disconnect the Battery Manager, unplug its power cord
before disconnecting the output clamps. While standing away
from the battery, remove the output clamp from the chassis
or engine block. Finally, remove the output clamp from the
battery post.
Negative-Grounded System (Standard)
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