Gain Control - Master audio JOKER Serie Manual Usuario

Master Audio
2. CONNECTIONS
2.1. Overview
The power and audio connections are located on the unique Joker back panel, shown
in Fig. 1. The different parts of the panel are explained in detail in the following
sections of the manual.
Control Panel
A) LCD: Displays basic information about the DSP Status. The main screen shows the
following information.
For FULL-RANGE Systems
• Current preset
• Input Level
• Output Level LF Channel
• Output Level HF Channel
• Amplifier temperature
• ECO mode enabled/disabled
• Keypad locked/unlocked
For SUBWOOFER Systems
• Current Preset
• Input Level
• Output Level
• Amplifier temperature
• ECO mode enabled/disabled
• Polarity Positive (+) / Negative (-)
• Keypad locked/unlocked
B) KEYPAD: Allows the user to perform basic operations on the DSP such as Preset
selection, delay adjust and also user preferences. To enter the menu the keypad must
be unlocked by pressing simultaneously the MENU and SELECT keys.
C) GAIN CONTROL: Use the Up and Down arrows to adjust the gain of the system.
The gain can be adjusted between 0 and -20dB. Once -20dB is reached and the Down
key is further pressed, the system will be muted. To unmute it, press the Up key again.
D) PROTECTION LED: This led lights up when the amplifier is in a protection situation
(such as temperature excess, overcurrent, or other situations that can compromise the
amplifier's integrity).
It will also light up when the amplifier is in standby mode. This happens for a couple fo
seconds at startup.
The Protection led will light off when the amplifier recovers from the abnormal
situation. Shall the Protection led keep up lighted on even after a system restart,
please contact an authorized service.
Joker Series (Active). Version 1.4 Jan14
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