2.
Operation
The keyboard operates in two different modes:
1.
Keyboard.
2.
Air-mouse.
After a system reset, the keyboard operates in default keyboard mode.
2.1.
Keyboard Mode
Figure 2-1 Key Layout
2.1.1.
Key Tap
When the user taps on a key, the corresponding HID key code is sent by the keyboard via BLE or USB.
To type specific letter multiple times, the user must tap as many times as required. For example, if “q”
must be typed, then tap once on the “Q” key. If “qq” must to be typed, then tap twice on the “Q” key.
2.1.2.
Capital and Small Letters
The shift key is useful to switch between capital and small letters.
To send single character in capital letter,
1.
Tap Shift key once.
2.
Shift key LED turns ON.
3.
Tap any key. The tapped key will be sent in capital letter.
4.
Shift key LED turns OFF.
5.
The subsequent characters will be sent in small letters.
To send all characters in capital letter,
1.
Double tap on Shift key.
2.
Shift key LED turns ON.
3.
Caps Lock key code is sent.
4.
The subsequent characters to be typed will be sent in capital letters.
5.
To turn OFF Caps Lock, perform Double-Tap or Single Tap on Shift key.
For example, to type the word “Atmel”, then tap shift key once, followed by tap keys a, t, m, e, and l. To
type the word “ATMEL”, then tap shift key twice, followed by tap keys, a, t, m, e, and l.
2.1.3.
Selecting Alternate Characters
Character-Select key is used to select between primary and alternate characters. When user taps on a
key, the keyboard sends corresponding key code based on character-select status.
Atmel Multifunction Compact Keyboard [USER GUIDE]
Atmel-42580A-Multifunction-Compact-Keyboard_User Guide-12/2015
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