Device setup
6.5.2 Info
Selecting «Info» provides basic information about the device.
The information provided is mainly intended for service purposes.
Most of the information is static information, for example:
▪ Various firmware versions (Firmware Core/DSP/PS/AMP)
▪ Serial number
▪ Owner
In addition, there is dynamic information about the actual
temperatures of... :
▪ Power supply (Temp. PS)
▪ The entire power amplifier (Temp. AMP)
Selecting the «Hardware» button provides further hardware
specific information.
Selecting the «Operating data» button provides further data, e.g.
operating hours and number of startups.
6.5.3 Levels
Selecting «Levels» opens the corresponding subscreen.
The data area of the levels screen provides the following
information (starting from the top left):
1st line
Mute status of each channel.
Speaker Loudspeaker setups selected for the individual
channels.
Input Actual input signal levels of the individual
channels.
Output Actual output voltages of the individual
amplifier channels.
Gainred/
Headr
Relationship between headroom (Headr) and
gain reduction (Gainred) with peak hold for
1 sec.
Display ranges:
Gainred 0 dB Þ +32 dB.
Headr –32 dB Þ 0 dB.
Impedance Actual load impedance values for the
individual amplifier channels.
Power Power actually delivered by the individual
amplifier channels.
Temperature Actual temperatures of the individual amplifier
channels.
ISP/OSP Indicates whether the input signal (ISP) as well
as the amplifier output signal (OSP) of the
individual channel are present.
GR/OVL Indicates whether gain reduction (GR) of the
respective channel is active or the respective
channel is overloaded (OVL).
d&b D40 Reference manual 1.5 en36
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