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• 11 •
ENGINE STARTING NOTES
During the starting sequence listed above, the charger is set to one of four states:
• Wait for ready – The charger charges the battery for 2 minutes before the Wait for Cranking state. While
waiting for ready, the digital display shows On and the engine can be cranked. For severely discharged
batteries, it is not recommended to crank during this time.
• Wait for cranking – The charger waits until the engine is actually being cranked before delivering the amps
for engine start. While waiting for cranking, the digital display shows rdy.
• Cranking – When cranking is detected, the charger will automatically deliver up to its maximum output as
required by the starting system for up to 7 seconds.
• Cool Down – After repeated cranking during a 3-minute ready period, the charger enters a mandatory
3 minute (180 second) cool down state. Cranking will not be detected during this time, and therefore
no high output amps for engine start. The digital display indicates the remaining cool down time in
seconds. It starts at 180 and counts down to 0. After 3 minutes, the digital display will change from
displaying the countdown to displaying rdy, and the charger will be back in the Wait for Cranking state
described above. After 2 hours of Engine Starting, the unit will automatically exit from the charging
mode, just as if the STOP button had been pressed; the Charging LED will not be lit.
FAN OPERATION
The fan will operate as needed and it is normal for the fan to sometimes operate continuously. Keep the
area near the charger clear of obstructions to allow the fan to operate efciently.
USING THE BATTERY VOLTAGE TESTER
1. With the charger unplugged from the AC outlet, connect the charger to the battery, following the
instructions given in previous sections.
2. Plug the charger AC power cord into the AC outlet.
3. Press the Battery Type button until the correct type is indicated.
4. Read the voltage on the digital display. Keep in mind that this reading is only a battery voltage reading;
a false surface charge may mislead you. Compare the reading to the following chart.
6V Battery
Voltage Reading
12V Battery
Voltage Reading
Battery
Condition
6.4 or more 12.8 or more Charged
6.1 to 6.3 12.2 to 12.7
Needs charging
Less than 6.1 Less than 12.2 Discharged
TESTER AND CHARGER
When rst turned on, the unit operates only as a tester, not as a charger. Pressing the Start/Stop
button or waiting 30 seconds (see Power-Up Idle Time Limit below) activates the battery charger and
deactivates the tester. Pressing the Start/Stop button when charging (indicated by the Charging LED lit)
will stop charging and activate the tester.
POWER-UP IDLE TIME LIMIT
If Start/Stop button is not pressed within 30 seconds after the battery charger is rst powered up, the
charger will automatically switch from tester to charger if a battery is connected. In that case, the charger
will be set to the Boost rate and AGM battery type.
TESTING AFTER CHARGING
After the unit has been changed from tester to charger, it remains a charger. To change the battery
charger back to a tester, press the Start/Stop button.
USING THE ALTERNATOR PERFORMANCE TESTER
1. With the charger unplugged from the AC outlet, connect the charger to the battery, following the
instructions given in previous sections (for ”in vehicle”).
2. Plug the charger AC power cord into the AC outlet.
3. Press the display button for the alternator selection.
4. DO NOT press the START/STOP button (this is tester mode, not charge mode).
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