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User’s Guide
DPAN – HiQnet Network Input Module,
Analog Audio with Networking
See Figure 1c
The DPAN input module features analog audio inputs and sophisticated onboard digital signal processing
technology. Precision band pass limiting, pre-equalization filters and automatic self-test functions ensure
optimized performance. In addition, the DPAN input module adds 100 Mb Ethernet networking functionality
and HiQnet compatibility. It enables remote control and monitoring via HiQnet System Architect™ software.
Network Control and Monitoring is enabled by the JBL DP-DCP (DrivePack Device Control Panel) supplied
within HiQnet System Architect. Network capabilities include monitoring of status, input and output levels,
clipping, temperature, load faults and gain reduction. Additional control features available in software include
load supervision, dynamic processing, ten internal user defined presets, delays, onboard noise and sine-
wave generators, network device event logging, and user alert messaging.
CONTROLS
1) ENABLE ALT PRESET button
a) Momentary, Enables or Disables the selected
function. Factory ALT Preset:
On subwoofer applications, the subwoofer low-
pass filter frequency is set to 80 Hz and for full
range systems the high-pass is raised to 80 Hz.
(Knee shape and slopes are model dependent).
I
nternal Controls
- Input Sensitivity -Position
Switch: Located on the back side of the front
panel, full output is achieved by selecting either
+ dBu in one position or +0 dBu in the other
position. Switch positions are marked with
silkscreen on the PWB.
NOTE: Product is shipped factory set to the +0 dBu
switch position to provide optimal input gain structure
and headroom for most professional audio equipment.
Changing the sensitivity switch to the + dBu setting
is not recommended unless connection to -10 dBV
equipment is required.
INDICATORS
2) ENABLE ALT PRESET
a) Orange LED illuminates when the function is
enabled.
3) FAULT
a) Red LED illuminates during any fault condition.
4) THERMAL Protection
a) Orange LED illuminates during thermal limiting:
ai) FLASHING indicates first stage of thermal limiting, amplifier output level is reduced to prevent
overheating.
aii) SOLID illumination indicates thermal protection is in the second stage of protection and
amplifier shut down may occur if immediate action is not taken to correct the external reason for
excessive heating of the amplifier.
5) READY
a) Green LED, illuminates when the system is ready for operation
6) SIGNAL/CLIP
a) (Signal) Green LED, detects input signal above the threshold set at –70 dBu
b) (Clip) Red LED, Clip detection monitors input, DSP, and each amplifier output channel. The LED
changes from Green to Red when clipping THD at any point is detected.
Figure 1c
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