Interior
To Read the Battery Voltage
1� Press the BATT button and release it, the display
will show the battery voltage on the LED display�
2� If no other button is pressed, then the display will
shut down after about 5 seconds� If the BATT
button is held down, the display will continuously
recheck the voltage and show the updated value�
The reading may flicker back and forth between
two values�
3� If another button is pressed before the 5 second
time is up for the BATT button, the display will
immediately switch to show the value for the new
button� The 5 second time-out is restarted every
time a button is pressed�
4� There is no hold mode for the battery voltage�
To Program the LED Brightness
1� The display needs to enter the brightness
programming mode� To do this, press and hold
the BATT button; the display will show the battery
voltage�
2� While continuing to hold the BATT button, press
and hold the GREY button� Continue to hold
both buttons for approximately 5 seconds until
the display shows "bri" to indicate the brightness
programming mode� When this occurs, release
both buttons�
3� Press the GREY tank button to increase
brightness, or the FRESH tank button to decrease
brightness�
4� When the display shows the correct brightness,
press the BATT button to exit the programming
mode�
5-22
2020 Classic