Power supply of the J-chip mini
External the power supply
Connect power supply with value of voltage more than 11.6 V.
Replace external power supply immediately when the voltage value of external power supply below
11.6V leads to LED lamp on with red color.
(CAUTION: This value of voltage 11.6V used with power cable (1.25 sq,2m) in standard accessories)
A back-up battery built in the J-chip mini receiver which allows for replacing the external power supply
while taking measurements.
A full charged backup battery allows for 10 minutes of operation, so replace the power supply within this
time.
When the LED lamp of “INT.BAT” starts blink with red color, it indicates that the capacity of back-up
battery is less than 10.5 V.
In this case, please never operate use with only this back-up battery and connect external power supply
immediately.
When connected to the external power supply with more than 11.7V and turn on the POWER switch,
the back-up battery will charge automatically.
For example, if connect full charged car battery with 28 Ah capacity, operating time is about 6 hours.
However please take care such battery for use as external battery even full charged because
performance of each battery is different by previous status of use each battery.
Power cable in accessories
This cable for external power for the receiver.
The cable consist of three kind of color f conductors
i.e. color is red(Plus +) , black(Minus -) and white (Non connection)
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