APT QDSP-20K User manual
Tel: +44 (0) 1579 212210
Email: [email protected]
Website: www.apt-gb.com
QDSP-20K Amplifier with DSP
Front Panel
Signal Indicator:
Mute LED - Indicates Device audio protection mute
Clip LED- Indicates Low impedance/short circuit detection
Limit LED - Indicates signal is clipping/limiters are in use
Signal LED - Indicates signal present on channel.
LCD Display:
Display shows current status and allows user to view and edit menu’s and settings
locally..
Enter:
Confirms menu/operation command using front display.
Back:
Previous Page/scroll cursor back a character.
Next:
Next Page/Scroll Cursor forward a character.
Menu:
In Standby state used to access Settings Menu.
ESC:
Back to Previous menu/Return to standby screen.
Bypass:
Used to Bypass certain parameters in Channel Settings.
Input Select Key:Input Select Key:
Quick press to Mute input signal, Press and hold to access Output Channel settings.
USB-B Port:
Used to access PC control via front panel (Windows OS only).
Output Select Key:
Quick Press to Mute output signal, Press and hold to access Output Channel settings.
Control Knob:
Adjust Paramaters in Menu settings.
Power Switch:
Switch on Unit/Switch off unit, with LED to indicator to show Current power state.
Input Select Rotary Control
Navigation/Command Keys
Power Switch
Output Select
Tel: +44 (0) 1579 212210
Email: [email protected]
Website: www.apt-gb.com
QDSP-20K Amplifier with DSP
Mains input
4mm2 Flex
Signal Link Out
(CHA + CHC)
DSP Remote Connection
USB, RS485, Ethernet
Balanced Input Speaker Output
(CH1 + CH3 Bridge option)
Output Connections Input Connections
Rear Panel
Channel 4 ±1 Channel 2 ±1 Channel 3 ±1
Channel 4 ±2
Bridge 1+ 2-
Channel 1 ±1
Channel 2 ±2
Bridge 1+ 2-
Pin1 Screen
Pin2 +
Pin 3 -
Input 1
Input 2Input 4
Input 3
Ch A + CH C
Link Out
Output 4 Output 2
Output 1
Output 1+2
4 Channel Mode
Output 3
Output 3+4
Output 3+4 Output 1+2
Tel: +44 (0) 1579 212210
Email: [email protected]
Website: www.apt-gb.com
QDSP-20K Amplifier with DSP
*Please note Must be connected to DHCP Router/Switch
Network Connection:
Input & Output Gain Settings
Limiter Settings
Routing Selection
Input Crossover/EQ Settings
Network/Output Mode Settings
Delay Settings
Tel: +44 (0) 1579 212210
Email: [email protected]
Website: www.apt-gb.com
QDSP-20K Amplifier with DSP
Overview Screen:
Channel data Copy
Parameter Access
Shortcuts
Current Channel
Routing
Signal Indicator
Channel Name
Channel Link Button
Channel Display
Option
Device IP
Amp Output Mode
Normal/BTL System
Settings
Table of contents
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