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Power Supply Mode tests and maintains battery
voltage in the vehicle at 13.5 volts to allow for un-
interrupted reashing of vehicle computers, retain
vehicle system settings, or simply to maintain bat-
tery voltage.
1. In the Main Menu use the LEFT (t)or RIGHT (u) ARROW
key to highlight the POWER SUPPLY icon. Press the SE-
LECT soft key.
2. Use the UP (p) or DOWN (q) ARROW key to select the
BATTERY TYPE, or press the corresponding numerical key
to move the dot to the option button of your choice.
1 REGULAR FLOODED
2 AGM
3 AGM SPIRAL
Press the NEXT soft key.
NOTE: The GR8 tests the battery to determine if
it is safe to charge. If it detects that the battery
is defective, it beeps, ashes the status light, and
displays a warning that the battery is unsafe to
charge. Press the EXIT soft key to return to the
Main Menu.
3. If the battery is safe to charge, the GR8 begins maintaining
the battery voltage at 13.5 volts.
NOTE: Amperage uctuates in response to the
vehicle’s demands.
If the voltage drops below the 12.8, the GR8 displays a
warning and raises the voltage to the setpoint.
4. When nished servicing the vehicle, press the STOP but-
ton or the OFF switch, unplug the power cord and discon-
nect the clamps.
Chapter 8: Power Supply Mode
Chapter 8: Power Supply Mode
GR8 1100
Midtronics Inc. 7000 Monroe Street Willowbrook, IL 60527
www.midtronics.com