User's Guide

Key Description
• Press and hold to clear the entire main text area.
Up Navigation key Press to scroll through the letters, numbers, or symbols.
Down Navigation key Press to scroll through the letters, numbers, or symbols.
Right Navigation key
• Press to navigate to the right.
• Press and hold to change entry mode.
• Press to add a new letter at the end of the text (a, A or 0).
Left Navigation key Press to navigate to the left.
Menu Opens the Editor Menu to store the message as a template or save
changes.
Rotary Knob
• Press to add new letter (a, A or 0).
• Press and hold to change entry mode.
• Rotate to scroll through the letters, or numbers or symbols.
Table 9: Keys Usage (Applicable only for MTP8550Ex.)
Key Alphanumeric Mode (TAP/iTAP) Symbol Mode
0 to 9 keys Numeric Mode:
• Press to enter digit at insertion point.
• Press and hold any numeric key to enter
TAP alphanumeric mode.
• To exit TAP alphanumeric mode, press
and hold any numeric key.
0 key Press to cycle through single shift, caps lock,
and lower case.
+ - × * / \ [ ] = < > § #
1 key . , ? ! 0 1 @ ’ ” - ( ) / : _ ; + & % × * = < > € £ $ ¥ ¤ [ ] { } \ ~ ^ ¿ ¡ § #
2 key A B C 2
a b c 2
@ _ \
3 key D E F 3
d e f 3
/ , ;
4 key G H I 4
g h i 4
” & ’
5 key J K L 5
j k l 5
( ) [ ] { }
6 key M N O 6
m n o 6
¿ ¡ ~
7 key P Q R S 7
p q r s 7
= < >
MN006260A01-AD
Chapter 2 : Getting Started
41