Instruction manual

41
Reading the Display
Lp store interval
When the store mode is Auto or Timer Auto, the set Lp store interval is dis-
played. (see page 87, 92)
Comparator
When the comparator function has been set to ON, the comparator level
is shown as an orange line on the bar graph. When a signal exceeds that
level, the indication [Comp] appears, and a signal is output from the I/O
connector on the bottom panel (open collector) (see page 31).
Note
When the optional Extended Function Program
NX-42EX is not installed, the comparator cannot
be selected.
Overload indication
When a sound level overload condition is detected, the indication
(white on black) is shown for at least 1 second.
If processed data contain signal overload data, the indication
is
shown. This indication remains on the processed data display screen until
the next processing measurement is started.
Overload indication of output
When a sound level overload condition over the upper limit of bargraph
is detected, the indication
(white on black) is shown for at least 1
second. If this indication appears, increase the bargraph range setting.
Measurement in progress symbol
When a measurement is in progress, the symbol  ashes. The indicator
LED also  ashes in red.
During auto store, the symbol also  ashes. The indicator LED  ashes
in red.
During measurement standby, the symbol is shown.
During measurement pause, the symbol is shown. The indicator LED
 ashes in blue.
Frequency weighting of AC output
Shows the frequency weighting of the output signal set by “AC OUT”
(see page 99).