LD Systems ICOA 15 A BT Two-Way 15" Coaxial 1200W Powered Portable PA Speaker with Bluetooth - Manual (Page 6)

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5 INPUT 1–2
XLR/jack combo sockets for balancing audio output of channels 1 and 2 The inputs are suited for both line-level signals as well as for directly
connecting the microphone. The inputs are not equipped with phantom power.
6 GAIN
Controller for adjusting the input gain of channels 1 and 2. For an optimum signal-to-noise ratio, set the signal as high as possible, but make sure
that the Peak display does not light up or briefly appear, to prevent signal distortion and system damage. If necessary, also adjust the player’s
output level.
7 AUX IN
Unbalanced audio input with 3.5 mm stereo jack socket. A connected stereo signal is summed to mono internally. Control the volume for the AUX IN
channel using the gain controller for channel 2. If necessary, also adjust the player and master volume with the rotary-push-encoder.
8 SYSTEM OUT
Balanced audio output with male 3-pin XLR socket. The connected signal is a mix out of channel 1 and 2 and AUX IN.
OPERATION
NOTE:
The LD Systems logo briefly appears on the display as soon as the speaker is correctly connected to the power supply and switched on. All settings
(e.g. Preset, EQ, and Delay) resume the way they were as before the speaker was switched off. If Bluetooth was previously enabled (on models with
Bluetooth), it will be automatically disabled after a restart. The speaker will be ready for use after completion of this process, which usually takes
one second.
MAIN MENU
The main display is activated during normal operation. It shows the master volume setting, the activated speaker preset, the input levels of chan-
nels 1 and 2, and Bluetooth if it is activated on Bluetooth-enabled models (see figure).
Master volume
Speaker preset
Input level with peak display
channel 2
Bluetooth
Input level with peak display
channel 2
Level Peak
VOLUME
From the main menu, the master volume can be directly adjusted by turning the rotary-push encoder VOLUME / PUSH FOR MENU from -60 to +10 dB.
When the encoder is rotated, the display automatically changes to the corresponding symbol (see figure below). The main menu will automatically
reappear after approx. 8 seconds of inactivity. Pressing the encoder immediately changes the display to the main menu.