18 MDS 4710/9710 Technical Manual MDS 05-3305A01, Rev. E
Additional points to remember when using the HHT:
• Use the key to access numbers; press again to return to letter
mode.
• Use the key to edit information or command entries.
• The flashing square cursor ( ) indicates that Letter Mode is
selected.
• The flashing superscript rectangular cursor ( ) indicates that
Number Mode is selected.