Buckling mode shapes

When performing a buckling analysis, how is the shape viewed? I see the buckling load factor can be seen in the output file but there is no buckling mode shape tab in the post processing GUI.

STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 27-May-16
END JOB INFORMATION
INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
1 0 10 0; 2 0 0 0;
MEMBER INCIDENCES
1 2 1;
DEFINE MATERIAL START
ISOTROPIC STEEL
E 2.05e+008
POISSON 0.3
DENSITY 76.8195
ALPHA 1.2e-005
DAMP 0.03
TYPE STEEL
STRENGTH FY 253200 FU 407800 RY 1.5 RT 1.2
END DEFINE MATERIAL
MEMBER PROPERTY BRITISH
1 TABLE ST UC203X203X71
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
2 FIXED
LOAD 1 LOADTYPE None  TITLE LOAD CASE 1
JOINT LOAD
1 FY -10
PERFORM BUCKLING ANALYSIS MAXSTEP 25 PRINT MODE SHAPE
FINISH

Thanks