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I’m frustrated

3504 DC Control Output to -100% to +100%

I am trying to configure DC control output 4-20mA, so that 4mA = -100% of PID output and 20mA= +100% of PID output. When I go to the Lp1 OP (output menu)
it will not let me set output low to less than 0% ???
Trying to trim the speed of motor, so 12mA = no trim...
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