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• 12 •
BATTERY PERCENTAGE
Press the Display Mode button to
switch from
V
battery voltage to
A
current or
%
battery percentage.
USING A MEMORY SAVER
(Models DSR122 and DSR124)
Use a memory saver to save the vehicle’s
on-board diagnostic computer settings (radio
programs, diagnostic codes, etc.) while the
battery is disconnected from the vehicle
during repair or maintenance.
NOTE: The 12V port is rated at 15A; the
provided OBDII cable has an 8A fuse.
IMPORTANT!
Some vehicle manufacturers do not allow
the use of a memory saver through the
OBDII. Consult the vehicle manufacturer
before use, to determine if a memory
saver is acceptable for use on the vehicle.
1. Make sure that Charge/Boost/Engine
Start are off. Do not operate or crank
when using a memory saver. Do not
charge a battery when operating the
memory saver
2. Turn off the vehicle and make sure all
accessories are off.
3. Wait at least 30 minutes before using
the memory saver. This ensures that
the accessories are no longer drawing
current from the car battery.
4. Connect the memory saver’s 12V
connector to 12V port on the charger.
5. Press the
V
button until the
Memory Saver LED is lit.
6. Connect the memory saver’s OBD
connector to the vehicle’s OBD plug.
Make sure the connector is fully
engaged.
7. Push the START/STOP button.
8. Disconnect the vehicle’s battery
cables and cover the positive and
negative cables with an insulator,
such as electrical tape. This prevents
the connectors from touching metal,
each other, or the chassis and causing
a short circuit, due to the vehicle’s
electrical system receiving power from
the memory saver through the OBD
connection.
WARNING:
When working with the vehicle’s battery,
review all of the battery manufacturer’s
safety instructions, warnings and
directives regarding battery disconnection,
removal and replacement.
9. Remove the old battery and put the new
battery into position.
10. Remove the insulator from the positive
cable and connect it to the positive
terminal of the new battery.
11. Remove the insulator from the negative
cable and connect it to the negative
terminal of the new battery.
12. Press the START/STOP button to turn
off the memory saver.
13. Once the new battery is connected,
unplug the memory saver’s OBD
connector from the vehicle’s OBD plug.
12. MAINTENANCE AND CARE
A minimal amount of care can keep your
battery charger working properly for years.
• Clean the clamps each time you are
nished charging. Wipe off any battery
uid that may have come in contact with
the clamps to prevent corrosion.
• Occasionally cleaning the case of the
charger with a soft cloth will keep the
nish shiny and help prevent corrosion.
• Coil the input and output cords neatly
when storing the charger. This will help
prevent accidental damage to the cords
and charger.
• Store the charger unplugged from the AC
power outlet in an upright position.
• Store inside, in a cool, dry place. Do not
store the clamps on the handle, clipped
together, on or around metal, or clipped to
the cables.
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