Onkyo MCA1120

When installing multiple units (MCA1120) nearby
HOTEL MODE
This mode will delete all paired Bluetooth device history when "Power OFF" or "Bluetooth button is pressed".
It will prevent undesired connection with other room devices from automatic re-pairing of the paired device history.
You need to press on the Bluetooth button for pairing to use Bluetooth function.
When Bluetooth connection is not possible, please delete MCA1120's paired device info from your Bluetooth device and re-do the pairing again.
Power ON the main unit (MCA1120) in advance
(1) Connect the USB terminal of the PC and 232C terminal of the main unit (Rear panel)
Preparation
PC
USB
Driver
Need to install the driver matching with the 232C converter cable
Example of the cable USB-232C converter cable Driver
https://www.aten.com/global/en/supportcenter/downloads/
Use driver for UC232A
PLANEX COMMUNICATIONS INC.
URS-03
3.5φ 232C cable
(2)
Establish Launch the PC App on your PC
communication
Initial screen
Click "Connect" Pop-up window appears
Select the port of the connected USB cable
Click "Apply"
USB-232C converter
3.5φ 232C cable

Onkyo MCA1120 Specifications

General

Channels	11
THD (20Hz-20kHz, Half Power)	0.05 %
Damping Factor	60
Standby Power Consumption	0.15 W
Frequency Response	5Hz-100kHz (+1dB, -3dB)
Dimensions (W x H x D)	435 x 198.5 x 435 mm

Summary

RS232 Connection and Hardware Interface

RS232 Pinout Diagram

Illustrates the pin configuration for the 9-pin female RS232 connector.

Device Back Panel and Ports

Shows the ONKYO MCA1120 unit with labeled connection ports.

CommApp Software Connection Process

Configuring the COM Port

Screenshots demonstrating the selection of a COM port for device communication.

Connection Status and Logs

Displays the CommApp interface showing connection type and logged data.

Connection Error Handling

Illustrates the 'Connection Error!' message and its resolution prompt.