ERJ-145 v2 quick question

First of all,i would like to thank you Bill and your crew.I really like it.:-kewlNow for the question;i just can't seem to be able to find the TRFC button to turn on the TCAS.I'm obviously misunderstanding the readme.>Display>To show the TCAS display in map, vor, and approach modes on the ND, >push the TRFC button to ON, located on the Guidance Control Panel (GCP).>If TRFC is OFF, the ND will not display any targets until a TA or >RA occurs, in which case the TRFC is automatically displayed on the >ND.>If the TCAS button on the GCP is pushed ON, all nav information is >removed from the ND, only TCAS target information is displayed, >range will be set to 10 miles with a 5NM range circle appearing, and >twelve clock position stars will appear as a two NM range ring >around the aircraft symbol. Others have obviously figured it out Thank you,:-zhelp