69APPENDIX AERROR CODESAll errors are displayed on line 4 of the display when the 6600 is in the Main screen.An error must be acknowledged before any other key entries are accepted. Theerror may be acknowledged either by pressing the CANCEL or the CLR key.ERROR CODES DESCRIPTION1 Ps2 target exceeds limit2 Ps2 actual value exceeds limit3 Pt target exceeds knots limits4 Pt target exceeds mach limit5 Rate target exceeds limit6 Ps1 target exceeds altitude limits7 Pt actual value exceeds knots limits8 Pt actual value exceeds Mach limit9 Ps actual value exceeds altitude limits.10 Ps2 EQZN transducer error11 Profile error12 Ps1 EQZN transducer error13 Pt EQZN transducer error14-18 Internal use only19 Ps2 Target exceeds Diff limits20 Ps2 Actual exceeds limit21 Ps2 Target exceeds Qc limit22 Ps2 Target exceeds Mach limit23 Ps2 Target exceeds Alt limit24 Ps2 Actual exceeds Qc limit25 Ps2 Actual exceeds Mach limit26 Ps2 Actual exceeds Alt limit