HP 48g Graphing Calculator - Manual (Page 435)

Disabling User Keys
You can disable user keys that are unassigned—so they do nothing.
This lets you control the user keys that are active, including assigned
keys and standard (unassigned) keys.
If you assign a disabled user key, it becomes enabled.
To disable all ynassigned user keys:
■ Enter ■ S ' and press f ^ f M O D E S ) K E Y S D E L K .
To reenable unassIgned, disabled user keys:
■ To enable one unassigiied key, enter ' SKEY ', enter the three-digit
key number, then press f i ^ l M O D E S ) K E Y S f i S N .
■ To enable several unassigned keys, enter a list containing ' S K E Y ‘
and the three-digit key number for each key, then press f j ^ f M O D E S ]
K E Y S
S T O K . (Include one ' S K E Y ' for each key.)
■ To enable and unassign all user keys, press 0 f ^ ( M O D E S ) K E Y S
To reenable and assign disabled user keys:
■ To enable and assign one user key, enter the object to be assigned to
the key, enter the three-digit key number, then press f ^ i M O D E S l
l< E Y S Fi S I ■ 1 .
■ To enable all user keys and assign several keys, enter a list with S as
the first object, followed by the assigned object and three-digit key
number for each key assignment, then press f i ^ f M O D E S ) K E Y S
30
Recalling and Editing User Key Assignments
To recall the current user key assignments:
■ Press
fi^flVlODES
) K E Y S R C L K (the RCLKEYS command).
The RCLKEYS command returns to level 1 a list of all the current
user key assignments—pairs of assignment objects and three-digit key
numbers. If the first item in the list is the letter S, then unassigned
user keys are currently enabled—otherwise, unassigned keys are
currently disabled.
Customizing the HP 48 30-7