NOCO Genius BOOST MAX GB251+ User Manual & Warranty page 9
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Also See for BOOST MAX GB251+:
- User manual & warranty (40 pages) ,
- User manual & warranty (26 pages) ,
- User manual
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Interface
1.) Internal Battery Level Indicates the charge level of the internal battery.
2.) Error LED Illuminates red if reverse polarity is detected, or blinks "on" and "off" in various sequences (from 1 to 6 blinks) to convey
error conditions.
3.) Hot LED Illuminates solid red; unit is fully operational, but approaching upper temperature limit. Flashing red; unit is too hot to jump
start, only the flashlight is available in this state.
4.) Cold LED Illuminates solid blue; unit is fully operational, but approaching lower temperature limit. Flashing blue; unit is too cold to
jump start, only the flashlight is available in this state.
5.) Power Button Push to turn unit "on" & "off".
6.) Power LED Illuminates white when unit is "on". Will illuminate orange after the 60-second timeout countdown until the clamps are
removed from the Car Battery or the GB251 is power cycled 'off' and back 'on' again.
7.) Light Mode Button Toggles the ultra-bright LED light through 7 light modes: 100% > 50% > 10% > SOS > Blink > Strobe > Off
8 . Voltmeter/Countdown Timer. The built-in voltmeter reads the voltage of the vehicle's battery for enhanced diagnostics and
troubleshooting. The voltmeter will automatically read the voltage of any battery (or battery system) when the battery clamps are
connected - even if the unit is powered off. The voltmeter will read voltage between ~3V to ~30V. If the connected battery is below
3V, nothing will display. In this situation, it is likely there is a load(s) on the battery, such as, headlights or an AC fan that should be shut
off before attempting to start the vehicle. While the unit is on and after a battery is detected, the voltmeter will display the 60-second
timeout countdown.
9.) Boost LED Illuminates white when boost is active. If the unit is connected properly to a battery, the GB251 will automatically detect
a battery and go into boost mode (LED flashes white when manual override feature is active).
10.) Manual Override Button To enable, push and hold for three (3) seconds. WARNING: Disables safety protection and
manually forces boost "on". Only for use when a battery voltage is too low to be detected.
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