HP 49g Graphing Calculator - Manual (Page 122)

To enable disabled keys
1. Press ® DB^LKEYS.
2. lype 0 (that is, zero).
3. Press
In RPN mode: follow steps 2 and 1.
If
you
assign
or disable the
keys
necessary to re-enable keys, or
necessary to cancel user mode, you will be stuck in user mode.
You will then need to reboot the calculator by holding (ON),
pressing and
releasing (F3)
and then
releasing
'
Recalling and editing user key assignments
To recall the current user key assignments
1. Press (CM) RCLKEYS.
2. Press
In RPN mode: follow step 1.
The RCLKEYS command retiuns a list of all the current user key
assignments. Each assigned object is listed with its corresponding user
key code. If the first item in the list is “S”, then imassigned user keys are
enabled; otherwise, unassigned users keys are disabled.
To edit the user key assignments
1. Recall the current user key assignments (see previous section).
2. Press (v) to open the command line editor.
3. Edit the key assignments you want to change.
4. Press (ENTER).
5. Press
@D STOREYS.
6. Press
7. If the user key assignment list you just modified is not highlighted,
highlight it.
8. Press (ENTER) twice.
In RPN mode: follow steps 1, 2, 3, 4, and 5.
Customization Page 13-5