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18
There are four keyboard diagnostic tests, one for each key. The tests are performed
by pressing each key. The ratemeters response is maintained as long as the key is
held.
Test Key
Unit Response
Program
Display shows software part number.
Right Arrow
All display segments and the program LED
turn off and the analog output goes to
maximum value (20 mA and 10V).
Up Arrow
Each display digit will turn on, one at
a time, and relay 2 will turn on.
Down Arrow
Each display segment of all displays
will turn on, one segment at a time,
and relay 1 will turn on.
To exit the diagnostic mode, turn unit power OFF.
DIAGNOSTICS cont.