User Manual
www.gtrs.tech03
●Poweron
Pressandholdthepowerswitchand,thebuttonLEDwillilluminateindicatingpowerison.Pressandholdthe
powerswitchagaintopoweroffandthebuttonLEDwillturnoff.
●ChannelSelection
TheGWU4has4differentchannels.Powerontheunitandpressthepowerswitchtoswitchbetweenthefour
differentchannels.ThecoloroftheLEDbuttonwillindicatethecurrentlyselectedchannel.
Notes:AGWU4INSTcanworkwithmultiGWU4AMPunitssimultaneously.