Acer AL922 AL922 Monitor Service Guide - Page 46

12.2 Electrostatics Discharge (ESD) This test follow the IEC 61000-4-2 E.S.D Test Discharge Voltage Level : Criteria Contact Discharge (KV) Air Discharge(KV) Class C ±4 ±4 Class B ±6 ±8 Class A ±8 ±15 Class A : Temporary degradation or loss of function or performance which requires operator Intervention or system reset. Class B : Temporary degradation or loss of function or performance which is selfrecoverable Class C : Normal performance within the specification limits Discharge times: 20 times for each discharge point, time interval 1 second. In the case of acceptance tests, the test program and the interpretation of the test results are subject to agreement between manufacturer and user. The test documentation shall include the test conditions and the test results. 46