NOCO Genius 10 Mode D'emploi page 7

2.) Attach at least a 24-inch-long 6-gauge (AWG) insulated battery cable to NEGATIVE (NEG, N, -) battery terminal.
3.) Connect POSITIVE (RED) battery clamp or eyelet terminal connector from battery charger to POSITIVE (POS, P. +) battery terminal.
4.) Position yourself and free end of cable as far away from battery as possible - then connect NEGATIVE (BLACK) battery clamp or eyelet terminal connector to free
end of cable.
5.) Connect the battery charger into a suitable electrical outlet. Do not face the battery when making this connection.
6.) When disconnecting charger, always do so in reverse sequence of connecting procedure and break first connection while as far away from battery as practical.
7.) A marine (boat) battery must be removed and charged on shore. To charge it on board requires equipment specially designed for marine use.
Begin Charging.
1.) Verify the voltage and chemistry of the battery.
2.) Confirm that you have connected the battery clamps or eyelet terminal connectors properly and the AC power plug is plugged into an electrical outlet.
3.) [First time use] The charger will begin in Standby mode, indicated by an orange LED. In Standby, the charger is not providing any power.
4.) Press the mode button to toggle to the appropriate charge mode (press and hold for three seconds to enter an advanced charge mode) for the voltage and
chemistry of your battery.
5.) The mode LED will illuminate the selected charge mode and the Charge LEDs will illuminate (depending on the health of the battery) indicating the charging
process has started.
6.) The charger can now be left connected to the battery at all times to provide maintenance charging.
Auto-Memory:
The charger has built in auto-memory and will return to the last charge mode when connected. To change modes after the first use, press the mode
button.