User Manual

www.gtrs.tech03
Poweron
Pressandholdthepowerswitchand,thebuttonLEDwillilluminateindicatingpowerison.Pressandholdthe
powerswitchagaintopoweroffandthebuttonLEDwillturnoff.
ChannelSelection
TheGWU4has4differentchannels.Powerontheunitandpressthepowerswitchtoswitchbetweenthefour
differentchannels.ThecoloroftheLEDbuttonwillindicatethecurrentlyselectedchannel.
Notes:AGWU4INSTcanworkwithmultiGWU4AMPunitssimultaneously.