[Negative values cannot be entered]

<Causes>

1. Wrong operation of the keypad.
2. The display type of entry target is set as "no sign".

<Solutions>

1. Check if the correct entry procedure is followed: a numerical value is entered from the keypad and [+/-] (Function: Sign inversion) key is pressed.
   
   Example: When inputting "-1":
   
2. Check if either [DEC (with sign -)] or [DEC (with sign +-)] is set for [Display Type] of the entry target.

[Decimal values cannot be entered]

<Cause>

The decimal place setting for the entry target is set to "0".

<Solution>

Specify the number of decimal places for the entry target.