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About device Symphony 7” is android device with capacitive touch screen made for use in POS retail systems with user software. AML8726-MX Maximum Frequency 1.5GHZ RAM memory 1GB DDR3 Flash memory 4GB NANDFLASH Network Wireless WIFI i RJ45 LAN connector Operating system Android 4.2.2 Display...
1. Turn on/off/sleep mode Turn on/off To turn on device Symphony 7” it is necessary to press and hold button >1s on the right side of device. To turn off device Symphony 7” it is necessary to press and hold same button more than 2s, after that on display select “OK”...
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2. Interfaces Figure 2. Symphony 7” interface location Connector type Description Power supply connector DC plug for power supply (9-12VDC) USB1, USB2 USB2.0 host COM1, COM2 RS232 communication interface HDMI HDMI connector for external monitor MicroSD Connector for microSD memory card RJ45 LAN connector Table 2.Inteface description Page 4 of 6...
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3. RS232 COM ports pin-out Symphony 7” RS232 port has mini USB type connector. Figure 3. COM1 and COM2 connectors pin-out COM1 is “devtty1” in android device manager. No COM1 Description Not connected Input – Receive Output - Transmit Not connected Signal ground Table 3.
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. Example of RS232 adapter cable pin-out mini USB to RJ45 Figure 4. RS232 adapter cable example NOTE: This cable can be used to connect Symphony 7” with appropriate software application to fiscal printer. Pin-out of RJ45 or other type of connector depends on the device that you are connecting. Page 6 of 6...
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