1). Overview :Our VU system

This is our basic VU system,one wireless VU sender which measures the level of audio signal in stereo and send VU data via 2.4G wireless module,it supports 12 different wireless channels and provides -5~+5 total 10-level signal gains and supports (org)+(std)+(agc1)+(agc2)+(bamboo) smooth algothms.

the sender also contains hardware isolate circuit and AGC(automatic gain control) circuit on pcb.

This is stereo VU system,it contain 2 main bodies be connected together by using a 3.5mm audio cable(do not plug audio signal directly via this socket).and set each internal jumper,by shorting the (MASTER) side of jumper,it will display Left channel VU data in default,if short (SLAVE) jumper,it will display Right channel VU data.

tips:The receiver contains swap L-R data button.

There are two 3.5mm audio sockets on the bottom side of Sender,they are same and be connected in parallel,use one to input the audio signal from like cellphone,desket computer,notebook,DVD player,mp3 player,etc.

and use the other one for earphone.

Would please do no connect the signal directly from speaker,may damaged chip inside Sender.

The sender contains 2pcs of buttons on the top,one is (mode) the other is (+).

In normal working mode,when u plug the USB power on,the sender will turn the OLED panel one,and display wireless channel first then display the VU meter of L(on top) and R(on bottom). All others info will be displayed on the bottom row.

You can change the signal gain by clicking the (+) button in -5~+5 range,and use (mode) button to change the smooth algothms in ORG(original signal),STD(standard 50% smooth),AGC1(gain fast,fade slow),AGC2(gain slow,fade fast),BAMBOO(50%smooth,min step set to 5).

How to set wireless channel?

USB power off first,then keep (+) butyon down no release,the plug USB power on,the OLED will display the set Channel info,then click (+) button to change the wireless channel,when done,click the (mode) button,the sender will make a test and save current channel info in flash,then reboot itself(may need 2~3 seconds).

The sender support CH01~CH12 total 12 different wireless channels. One channel signal can be receiver by multi receivers be set in same channel.

receiver displays the wireless CH01,and with L-R Swap off.

test

The receiver contains two buttons on the side,the front one is for setting the wireless channel from CH01~CH12,the top button on for setting the SWAP L-R (left-right) channel On/Off.

When L-R swap on the first Led digi segment will display (').

If receiver gets no wireless signal,the LED Segment display will be turned on,and displays the current channel and L-R swap state, when receives signal,the LED Seg Disp will be turned off.

It may have a small size of LED on the side ,it will go flash when received the signal.