General InformationGNS 480 (CNX80) Installation Manual 560-0982-01 Rev L 1-71.3.4 DisplayTSO Compliance ...........................................TSO-C113 (SAE/AS8034)Active Display Size .......................................3.8” Diagonal (3.1” (W) x 2.1”(H))Display Format ..............................................320 pixels (W) x 240 pixels (H)Viewing Angle (with 5:1 contrast ratio min.)Left/Right.......................................................60° from perpendicularUp ..................................................................60° from perpendicularDown .............................................................35° from perpendicularBrightnessMaximum.......................................................130 fLMinimum* .....................................................0.2 fL (at zero ambient light)*Minimum brightness can be adjusted by the user to a value > 0.2 fL1.3.5 GPS/WAAS Receiver PerformanceTSO Compliance ...........................................TSO-C146a (RTCA/DO-229C)Number of channels.......................................15 (12 GPS and 3 GPS/WAAS/SBAS)Frequency ......................................................1575.42 MHz L1, C/A codeSensitivity (acquisition, no interference) .......-134.5 dBm GPS-135.5 dBm WAASSensitivity (drop lock) ...................................-144 dBmDynamic range...............................................> 20 dBLat/Long position accuracy (WAAS Corrected) <1.25 meter RMS horizontal, 2 meter RMSvertical.Velocity .........................................................1000 knots maximum (above 60,000 ft)TTFF (time to first fix) ..................................1:45 min. typical with current almanac, position, andtimeReacquisition .................................................10 seconds typicalPosition update interval .................................0.2 sec (5 Hz)1 pps (pulse per second) ................................±275 nsec of UTC secondDatum ............................................................WGS-84SATCOM compatibility ................................Compatibility on aircraft equipped with SATCOM isdependent on antenna selection.Antenna Power Supply @ GPS Port..............Vout = 4.6V + 0.3 VDC, min 4.3V @ 60 mA