To use the buttons at the bottom of the glance, you should do an "export TERM=dtterm".

After that, you will be able to use:
F1 for ProcList
F2 for CPU Rpt
F3 for Mem Rpt
F4 for Disk Rpt
F5 for NextKeys
F6 for SlctProc
F7 for Help
F8 for Exit