d&b D80 - Manual (Page 59)

Load monitoring setup
On the «System check» screen, selecting «LM setup» opens the
corresponding subscreen.
The «Load monitoring setup» menu provides all relevant
parameters for adjustment to the on-site requirements.
Load
monitoring
On/Off
Activates Load monitoring. The On/Off status
is also indicated on the System check and
Channel setup screens.
LM Period The maximum time in detents of 20 sec. it
takes the system to detect a loudspeaker
malfunction. The intervals of the pilot signal
are derived from this parameter.
LM Threshold Large signal threshold. When the output
signal exceeds this voltage level during the
measurement, the tolerance limits for this
particular measurement are increased in
order to compensate for the reduced
accuracy.
zMin
tolerance
Lower limit of the impedance window, which
is set to –20 % by default.
zMax
tolerance
Upper limit of the impedance window, which
is set to +30 % by default.
Dev.: Relative deviation in percent in relation to the
reference values determined during
calibration.
10.8. Speaker
Selecting «Speaker» opens the Speaker setup subscreen which
enables the selection of loudspeaker setups for the applicable d&b
loudspeakers (depending on the selected output mode).
The setups available are arranged in two blocks, «Series» and
«Speaker».
Back ( ) The Back button provides two options:
1. The selection has not been confirmed by
tapping «OK» Þ Cancel:
Exits the subscreen and the previous
configuration remains active.
2. The selection has been confirmed by tapping
«OK»: Exits the subscreen.
Series The bottom left of the «Series» Input field displays
the number of setups available while the bottom
right displays the actual name of the Series.
The list is in alphabetical order, the starting point,
however, is the Series currently loaded.
Selecting «(All)» provides direct access to all
setups available and the LINEAR setup.
d&b D80 Manual 1.9 en 59