Hitachi HCX5000I User Manual page 13

SelecSet keys
1-2
The SelecSet 500A has 21 fixed keys, 24 programmable
keys, and an 8 x 40 display. Operations are performed
using the display and the keys. Both are described in detail
on the following pages.
S S 500A U
ELEC ET
HCXTD840, Issue 1, July 2001
G
SER UIDE