Megohmmeter Models 5000N/5100/5110- 26 -Audible SignalWhen the push-to-test button is in the ON or LOCK-IN position, anaudible signal will result. This signal consists of approximately one beepevery six seconds (ten beeps per minute). The signal can be used as atime base for monitoring the duration of the test. On the MΩand GΩranges, the signal indicates that theinstrument is in operation and thatthe selected DC test voltage may be present on the terminals of theinstrument.Note: On the Models 5100 and 5110, the audible signal may bedisconnected by means of a jumper located on the main circuit board.Connector tobattery boardONOFFFigure 11