HP 49g Graphing Calculator - Manual (Page 44)

Check Reids
Check fields are used to turn an option on or off. The CONNECT, SIMULT,
and PIXELS fields in the above example are check fields. A tick in a check
field indicates that the option is selected; an empty field indicates that it is
not selected.
To change the currently selected option in a check field, highlight the field
and press
CHK.
If the field had a tick before, it is now blank (indicating that
you have turned the option off). If it was blank before, it will now have a
tick (indicating that you have turned the option on).
Some input fonn fields are both a data field and a list field. Wien
such a field is highlighted, both the
edit
and
CHOOS
commands
are available from the menu. You can either enter a new value
for such a field, or select the value from a list.
Resetting values to their defaults
To reset a value in an input form field to its default value:
1. Move the cursor to the field.
2. Press®.
3. Press
RESET.
4. If you want to reset die values in
all
fields on the input form, press @
to select
RESET
all
.
The first option in the options list—
reset value
—restores just the
value in the highlighted field to its default value. The second option—
RESET
all
—restores all values on the form to their default values.
5. Press
OK
or
Input form help
In addition to the help message that prompts you for input, further help is
provided by way of a list of valid object types for a field. To display this list
for a particular field:
1. move the cursor to the field
2.
press TYPES (foimd on the second page of the fimction key menu).
To hide the list of valid object types, press (CMlD.
Page 2-16 Basic operation