Topdon V1500 Manuel D'utilisation page 9

Battery Clamps
1 3
2
1 Tool Ready Indicator
Lights up solid green when the jump starter is
ready for use.
2 Error Indicator
Lights up solid red when a reverse polarity, short
circuit, over temperature, or improper connection
is detected. (The internal buzzer will beep in the
meantime).
Note:
-If the jump starter is properly connected, but
neither the Tool Ready nor the Error indicator is
illuminated, it may be because the vehicle's battery
voltage is less than 3V. Try jump-starting your
vehicle with the BOOST mode.
3 BOOST Button
Press to enable the BOOST mode (forced output
mode). The Tool Ready indicator will light up green.
Start your vehicle within 30 seconds. The BOOST
mode automatically turns off, and the green
Tool Ready indicator goes out if the vehicle is not
started within 30 seconds or successfully cranked.
Note: Under the BOOST mode, all safety
protections will be temporarily disabled. Use this
mode with caution and only when the traditional
battery jump option has been tried already.
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