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the maximum time allowed, simply press the ENTER button once, then use the +/– buttons to
increase/decrease the time accordingly.
Also, if most of your charging will be done at a 1C rate (typically requiring 45-75 minutes for an
approximately 70-90% discharged battery to be fully charged), we recommend setting the time to
approximately 90-100 minutes. However, please keep in mind that if the time limit is set too low that it
is possible the charger will complete/end charging when it reaches the time limit rather than
completing/ending the charge appropriately per the chemistry/type (i.e. – delta peak for NiCd/NiMH,
CC/CV to CHG End Voltage for LiPo/LiIon/LiFe, etc.), especially if the battery was discharged further
than expected and/or is charged at too low of a current rate.
Temperature Cutoff
The Temperature CUTOFF is the internal temperature at which the charger will reduce the amount of
charging/discharging power or stop charging/discharging entirely, while remaining powered on, to
prevent permanent damage to the charger. However, in the event that the temperature exceeds the
cutoff, the charger will power down entirely. And to adjust the Temperature CUTOFF simply press the
ENTER button twice, then use the +/– buttons to increase/decrease the temperature accordingly.
Key Beep
The Key Beep function/setting allows you to turn the audible ‘beep’ associated with key/button
presses ON or OFF. To turn the beep ON or OFF simply press the ENTER button once then use the
+/– buttons to turn it on or off accordingly.
End Beep Duration
The End Beep Duration function/setting allows you to set the duration of the audible ‘beeps’
associated with the completion/end of the charge, discharge or other processes. To turn the beep
OFF entirely, on for 5/15/30 seconds or ON indefinitely until you manually turn it off, simply press the
ENTER button twice then use the +/– buttons to change the setting accordingly.
Temperature Unit
The Temperature Unit function/setting allows you to view the temperature readings found throughout
various screens in the charger in degrees Celsius or degrees Fahrenheit. To change the temperature
unit displayed simply press the ENTER button once then use the +/– buttons to switch between the
units accordingly.
DATA VIEW MODE
The Data View mode of the TP820CD allows you to view various data collected within the mode and
throughout recently completed charging/discharging processes. You can reach the Data View mode
from the Setting Data (Settings) Mode screen by pressing the MODE button once. From there you
can use the +/ – buttons to scroll through the available screens/menus accordingly. It’s also
important to note that the settings/data shown below apply to each port individually and must
be viewed/changed according to the specific port.
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