LIBHOF Q-18 - Low Voltage Protection Battery Monitor Setting; Cooler Device Switch On;Off; Cooling Temperature Setting

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4.2 Cooler device switch on/off
Switch on: Touch the button «ON/OFF» once lightly by your finger.
Switch off: Keep touching the button «ON/OFF» for about five seconds.
4.3 Cooling temperature setting
• Switch on the cooling device.
• Select temperature display unit: First touch the button «down» without releasing, at the
same time use your another finger to touch the button «set» without releasing, keep
your two fingers touching the two buttons «set» and «down» for about 10 seconds,
there will be flashing «°C» or «°F» appearing in the display screen, release your two
fingers from the two buttons «down» and «set». Then touch the button «up» or «down»
to select the temperature unit Celsius or Fahrenheit. The selected temperature unit will
appear and flash in the displayscreen for a few seconds, and then the display screen
will return to display the current Temperature automatically.
• Cooling temperature setting: touch the button «set» once, then touch the «UP +» and
«DOWN -» button to set the cooling temperature you want. The selected temperature
number will flash in the display screen for a few seconds, and then the display screen
will return to display the current temperature automatically.
4.4 Low voltage protection battery monitor setting
The cooling device is equipped with a 3-level battery monitor which protects your vehicle
battery against excessive discharging when the device is connected to the on-board DC
supply.