User's Manual
Viewsonic Tweety RF Remote Rev 2.9A November 05, 2001
Universal Electronics Inc. Confidential Page 3 of 63
Revision History
Product Revision History
Specification Software
Rev Date Ver Date
Sect.
Update Description By
A 12/6/00 Initial Draft JE
B 12/20/00 1.1 Added Network Description JE
3.2.4 Added Make and Break data for MUTE
3.3.2 Revised ID Setup
3.3.3 Revised RF Channel Change
4 Added table on RF Transmission
5 Added Hardware Interface Table
6.1.2 Revised RF Channel Frequency table and added frequency control
information.
6 Revised UEI key Data Packet information
6.1.6 Added Serial Input Timing Diagram
7.4 Added Battery life information and table
C 01/12/01 1.0 Changed Part Number reflect SOP package JE
6.2 Changed Varapoint Data to reflect the Data in section 6.0
D 02/05/01 ALL
3.3.2,
3.2.4,
3.2.5
Per new NMB Specification and Bill Browns Comments
Programming Instructions per Anthony’s request
Added these sections per Anthony’s request.
JE
E 02/13/01 1.1
3.1.1
3.1.2
3.1.3
3.2.4
3.3.1
3.3.2
3.3.3
3.3.5
6
7.4
8.6
Updated IC package and part number, added comment on poly-
dome keys.
Updated IC Package Type
Referenced spec section for Mfg. Reset, SETUP, and Stuck Key
Time-out, removed visible LED for SW only to No visible LED
Changed from double sided PCB to single sided PCB and added
comment on Gold Flash required for Varapoint
Revised Key chart to match actual key labels.
Revised Stuck Key Time-out and added diagram for STUCK KEY
data packet to be sent out to HOST and added diagram for IDLE
MODE (SLEEP) data packet to be sent out to HOST
Revised ID Setup
Revised RF SETUP procedure
Added Factory Test mode for RF Channel Test
Added comment on packet data to be sent two times for all key
presses to end of this section.
Revised Battery Life Section per Bill Brown
Added Color and Printing specification
JE
Rev1.0 Kicked-off Specification JE
Rev 1.1 1.1
3.2.1/2
3.2.4
3.3
3.3.1
3.3.3
3.3.5
3.3.9
4
6
7.4
10.1
Revised IC from DIE package to QFP
Changed Target Device from TV to Viewsonic
Updated Key Table
Updated Definitions in regards to LED blinking methodology
Updated Stuck Key, sleep and Keep alive information and appendix
Updated RF Channel Change section
Updated Factory Test
Updated Low Battery section for the 6volt design
Changed data rate from max. 19.2 bps to fixed 9600 bps
Updated Data Packet and Pointing device information
Added statement on the each key press is calculates @ 1 second
Changed Low non operating range from –20 C to -10C
JE










