Panasonic DBS576 Section 700 Technical Manual page 200

Chapter 5. Key Telephone Features
b. Press the third FF key from the left on the bottom row.
Example 2. Small-display phone
Refer to the following diagram to determine which one-touch key to press. (See step 7-8 above.)
a b c d e f
A B C D E F
To enter D:
a. Press the first one-touch key from the left on the bottom row.
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g h i j k l m n o p q r
G H I J K L M N O P Q R
DBS 576 (USA), issued January 1999
Section 700 - Operation
s t u v w x y z : & / sp
S T U V W X Y Z . , ' -
576-20-700