NTi Audio Acoustilyzer AL1 - Manual (Page 25)

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Test Applications: “Timer Status” Setting
TIMER OFF
(applicable for standard measurements)
All values are recorded and monitored
continuously. The measurement timer
shows the actual testing period length.
Pressing the RESET icon sets the clock
and the test results back to zero.
TIMER SINGLE
Sound pressure level measurement with
user-defined time setting.
• Set the required test cycle period.
• The clock counts back to zero. After the
defined test time is completed, the clock
flashes ”00.00.00”.
• The test results Leq, LCpeak and MAX/
MIN SPL are frozen.
• Changing the test cycle period setting
or pressing the RESET icon restarts the
measurement.
TIMER REPEAT
Automatically repeat measurements with
user-defined test time interval.
• Set the required test cycle period.
• The measurement timer counts back to
zero. When the test time has elapsed ,
the clock and the test results are reset
and a new measurement is started.
• The previously measured Leq is
displayed as PreLeq (useful for Leq
monitoring at live concerts)
• Changing the test cycle period or
pressing the RESET icon restarts the
measurement.