Ribao JM-90 Instruction Manual page 9

MG Detection Function (option)
MGD
This function is to detect the magnetism on notes. Through this function, the
machine can detect counterfeit notes without magnetism. When a counterfeit note is
detected, the machine will stop and show the error message "CF2". The suspected note
is the last one in the stacker. Take the suspected one away and press RESTART key to
countinue the counting. The suspected one isn't included in the counted result.
Four sensitivity levels can be selected by pressing MGD key.
MGD-1
MGD-11
MGD-111
MGD-1111
OFF(Blank)
9
MGD-1 → MGD-11 → MGD-111 → MGD-1111 → (Blank)
Level 1: To count notes of the lowest magnetic sensitivity level.
Level 2: To count notes of middle magnetic sensitivity level.
Level 3: To count notes of high magnetic sensitivity level.
Level 4: To count notes of the highest magnetic sensitivity level.
The function should be turned off when counting notes without
magnetism.