ZOB RADAR ASSOCIATE OBSERVED OPERROR DUE TO CTLR'S FAILURE TO HEAR INCORRECT ALT ASSIGNMENT READBACK AND COMMENTS ON CTL ROOM NOISE AND ALPHA NUMERIC DATA SIZE ON THE RADAR DISPLAYS.

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LEAR CLRED TO FL250 ON PREVIOUS FREQ. READ BACK FL250. COM CHANGE TO NEXT FREQ. RPTED CLBING FL260. ERROR NOT CAUGHT. ACFT CLBED ABOVE ASSIGNED ALT INTO TFC. CONTRIBUTING FACTORS? WHERE DO I START? FIRST AND FOREMOST WOULD BE NOISE IN CTL ROOM DUE TO A HEADQUARTERS DIRECTIVE WHICH REQUIRES EACH AREA OF SPECIALIZATION TO AN ARBITRARY 70% STAFFING REQUIREMENT WHETHER TFC OR CONDITIONS WARRANT (IE; IF THE AREA HAS A STAFFING THAT SHIFT OF 20 (HYPOTHETICAL) THEN 14 MUST BE ON POS; EVEN IF ONLY 10 POS AVAILABLE. 10 ACFT WITH 14 CTLRS EQUALS TOO MUCH NOISE). THIS PARTICULAR SHIFT WAS A PERFECT EXAMPLE OF TOO MANY PEOPLE IN CTL ROOM AT THAT TIME. WHEN TFC AND CONDITIONS WARRANT; I AGREE THAT STAFFING IS NECESSARY. HOWEVER; FOR A 'PENCIL PUSHER' IN WASHINGTON TO MANDATE; BASED ON OPERATIONAL ERRORS; THE NUMBER OF PEOPLE IN CTL ROOM; OR AREA; IS TYPICAL OF SOMEONE SADISTICALLY TRYING TO MAKE A NAME FOR ONE'S SELF; THUS LEADING BACK TO THE PROB. SECONDLY; DISPLAYS ALLOW FOR PERSONAL PREFERENCES AS TO BRIGHT VOLUME AND FONT SIZE. THE LATTER BEING A FACTOR IN THIS SIT; YOUNGER CTLR WORKING 'RADAR;' MORE 'SEASONED' CTLR WORKING 'RA.' FROM THE ANGLE WHICH 'RA' HAS TO VIEW FLAT PANEL; SMALL FONTS BECOME INDECIPHERABLE REGARDLESS OF BRIGHT VOLUME; AS WITH ALL LCD DISPLAYS (LOOK GREAT STRAIGHT ON; BUT FROM THE SIDE; FORGET IT -- SHADOWS). THE SMALL FONT NUMBERS LOOK SIMILAR (IE; 5; 6; 8).