HP 50g User Manual page 129

Note: most of the examples in this user guide assume that the current setting of
flag 117 is its default setting (that is, not set). If you have set the flag but want
to strictly follow the examples in this guide, you should clear the flag before
continuing.
Selected CHOOSE boxes
Some menus will only produce CHOOSE boxes, e.g.,
The APPS (APPlicationS menu), activated with the G key, first key in
the second row of keys from the top of the keyboard:
The CAT (CATalog menu), activated with the ‚N key, second key
in the fourth row of keys from the top of the keyboard:
The HELP menu, activated with I L @HELP
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