User's Manual

Chapter 1 錯誤! 尚未定義樣式。 13
1.5.4 Keypad
The terminal is equipped with a physical keypad that consists of 27 keys. Silicon rubber has
been chosen for their durability and prompt feedback.
The layout of the 27-key keypad includes alphanumeric, assorted characters, etc. This
keypad is set to numeric mode by default.
Figure 4: 27-key layout
Note: Functionality of keys is application-dependent.