User Manual
Page 46
... rm the specs for 30 seconds when the PJ is turned on , messages such as described below may be displayed. ViewSonic PJ552 / PJ562 42 CLEAN THE AIR FILTER POWER OFF FIRST, THEN CLEAN THE AIR FILTER. NO INPUT IS DETECTED ON *** SYNC IS OUT OF RANGE ON *** fH *****kHz fV *****Hz CHECK THE AIR FLOW The...
... rm the specs for 30 seconds when the PJ is turned on , messages such as described below may be displayed. ViewSonic PJ552 / PJ562 42 CLEAN THE AIR FILTER POWER OFF FIRST, THEN CLEAN THE AIR FILTER. NO INPUT IS DETECTED ON *** SYNC IS OUT OF RANGE ON *** fH *****kHz fV *****Hz CHECK THE AIR FLOW The...