EMJ CREW GOT A TCASII TA. THEY ALSO HAD AN EICAS; TCASII WARNING THAT DISTR THEM FROM THE TCASII WARNING.

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RECEIVED MY FIRST TCASII MASTER WARNING TODAY. ALTHOUGH I THINK THAT THIS IS A STEP IN THE RIGHT DIRECTION TO BRING ADDITIONAL ATTN TO A TCASII TARGET ALERT; I DO NOT BELIEVE THAT LEAVING OUT AN EICAS TEXT MASTER CAUTION RESOLVES THE ISSUE. PLEASE LET ME EXPLAIN THE SIT: UPON RECEIVING A TA; WE BEGAN TO LOOK OUTSIDE TO FIND THE TFC. IMMEDIATELY UPON GETTING OUR EYES OUTSIDE THE COCKPIT FOR INCREASED VIGILANCE; THE MASTER CAUTION CAME ON WITHOUT AN ASSOCIATED EICAS MESSAGE. AS THERE WAS A CLR MASTER CAUTION ALERT; WITHOUT A MESSAGE; BOTH CREW MEMBERS HAD TO BRING FULL ATTN INTO THE COCKPIT TO CONFIRM THE MESSAGE. THIS SEVERELY DETRACTED FROM OUTSIDE SCAN. FURTHER; IT TOOK A WHILE BEFORE BOTH OF US REALIZED THE REASON FOR THE CAUTION. WE COMPLETELY MISSED THE TFC OUTSIDE. BY THE TIME WE GOT OUR HEADS BACK OUT; THE TARGET WAS GONE. THIS IS NOT A SAFE ALTERNATIVE AS IT TAKES THE CREW COMPLETELY OUT OF THE SEE AND AVOID LOOP AND FURTHER BURIES THEIR HEADS IN THE COCKPIT; NOT SAFE. THERE NEEDS TO BE AN ASSOCIATED MESSAGE WITH THIS ALERT IN ORDER FOR THE CREW TO QUICKLY ACCESS THE INFO AND ASSOCIATE IT WITH ITS SOURCE; NOT THE VAGUE MESSAGE THAT ONLY GENERALLY BRINGS THE CREW'S ATTN TO THE ISSUE; AN ISSUE THAT IS ALREADY ALERTED THROUGH THE TCASII SCREEN; THE VSI AND AN AURAL ALERT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: EMB135; EMB140; AND EMB145 ACFT ARE INVOLVED. THERE ARE 3 VERSIONS OF EICAS SOFTWARE. THE LATEST TWO HAVE THE TCASII WARNING ADDED TO EICAS. THE CAPT RPTED THE PROB TO THE COMPANY AND WAS TOLD 'THEY'RE WORKING ON IT.'