User's Manual

© SENSITECH INC. CONFIDENTIAL – CONTROLLED DOCUMENT Page 71 of 83
A Carrier Corp. Company
PART NUMBER T82002163
REV A
Keypad
The keypad will consist of 8 buttons which will provide control of the following functions. There are 5
keys that will be dedicated to the navigation of the LCD selections consisting of an up, down, right, left and
OK or select. The three remaining keys will control the power (ON/OFF), Print (START), and BACK. The
method of communication with the Logic PD from the keypad will be in the form of GPIO interrupts. See
the chart below for clarification:
TSII Keypad rows0-2 and columns0-2 identification 06/20/08
Reference: Schematics V3.4.7
KEY IDs: row X, column Y
BACK row 0, column 1
PRINTER row 0, column 2
UP row 1, column 0
DOWN row 1, column 1
ENTER/OK row 1, column 2
LEFT row 2, column 0
RIGHT row 2, column 1
Power Charge Paper Low Batt
Rev 5.27.08
BUTTONS FUNCTIONS
1. BACK 1. Navigate to previous window or selection. Cancel.
2. ENTER 2. Execute command/entry. Executes menu structure.
3. UP Arrow 3. Navigate up
4. DOWN Arrow 4. Navigate down
5. LEFT Arrow 5. Navigate left
6. RIGHT Arrow 6. Navigate right
7. START 7. Download TT4 or TTmini and Print data
8. POWER 8. Initiate power to the unit or power OFF