Press and hold the SET button for 3 seconds until the PV display starts flashing a parameter code (e.g., P0 ).
Primary Control Output (Relay contacts or SSR drive signals). Terminals 5 & 6: Auxiliary Alarm Output contacts. amt-78 user manual
It is obvious that the manual was translated, likely from an Eastern European or Asian origin. While the technical terms are correct, the instructional prose is stiff and occasionally circular. Sentences like "To engage the filter, the filter switch must be engaged" are not helpful to a novice user trying to understand the flow of operations. Press and hold the SET button for 3
±0.05% of full scale (model dependent). Operating Temperature: -10°C to 50°C (14°F to 122°F). Storage Temperature: -20°C to 60°C (-4°F to 140°F). Relative Humidity: < 85% non-condensing. It is obvious that the manual was translated,
Turn off the unit and allow it to cool down away from direct heat.