RMB on the text, goto Style in the tab Lettering you will find lettering angle, change 0 to 45 to 90 to ...
Best regards,
Michaël.
NX7.5.4.4 + TC Unified 8.3
Win 7 64 bit (Intel(R) Xeon(R) CPU X5650 @2.67GHz)
24.0 GB
NVIDIA Quadro 4000 + NVIDIA Tesla C2050