CLEAR, FUNC/ENTER, 6
to access the Manager Menu
<password> (1234 is the default)
Then
2
for Terminal Setups
Then
1
for General Setup
From Page 2, you'll be in the GENERAL SETUP section - Just press FUNC/ENTER 5 times until you see
KEYS 1=YES 0=NO
Press
1
to enable Keypad Use
Then
FUNC/ENTER
to commit the change
Then
CLEAR
to return to the Idle Prompt