Nexa ZED 2951, Руководство по установке

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2.2 Buzzer Details
A long beep--> Status:
(1) Power on;
(2) Bluetooth data transmission failed;
A short beep-->Status:
(1) Bar-code read &upload successfully;
(2) USB connect successfully;
(3) 2.4G/Bluetooth connected or paired;
High&low short beep-->Status:
(1) Setting code obtained successfully;
(2) Data stored successfully;
(3) Data upload completely;
(4) Enter the off state;
Three short beeps--> Status:
(1) USB/2.4G/Bluetooth is disconnected;
(2) Data upload unsuccessfully or the storage Flash is full;
(3) Setting code failed;
Three short tones with high and low rhythm --> Status :
Insufficient power, ready to enter off state;