Runxin 82602 - Page 34

MODEL 82602-F79A-LCD/82602B-F79B-LCD/82604-F82A-LCD/82604B-F82B-LCD
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3.5. Parameter Enquiry and Setting
3.5.1. Parameter Enquiry
When light on, press and hold both and for 5 seconds to
unlock the button; then press to enter the program display mode; press
or to view each value according to below process.（Press back
to service status.）