User's Manual
Viewsonic Tweety RF Remote Rev 2.9A November 05, 2001
Universal Electronics Inc. Confidential Page 32 of 63
3.4.6 Factory Test Mode(s)
1
To enter this RF Channel test mode, press and hold a combination keys <<1>+<3>> for at least 3
seconds then released, within 6 seconds after the battery/power is applied to the unit:
<<1> + <3>>
2
The software will start with setting up RF-channel 1 and send through the Transmitter the entire
packet for the first channel continuously for the first 300 ms, with a 10-20ms gap between each
channel. The process is automatically with the next RF-channel setup until all 10 RF-channels
have been cycled through per Table1 below:
3.4.6.1 Table1: Factory Test Mode for RF Channel Test
Test Channel Time (ms) Packet Sent
0 - 300 0F 0F 0F 0F 55 55 FF FF 01 01 00
1
300 - 400
Nothing sent while changing RF Ch. 1
400 - 700 0F 0F 0F 0F 55 55 FF FF 02 02 02
2
700 - 800
Nothing sent while changing RF Ch. 2
800 - 1100 0F 0F 0F 0F 55 55 FF FF 03 03 04
3
1100 - 1200
Nothing sent while changing RF Ch. 3
1200 - 1500 0F 0F 0F 0F 55 55 FF FF 04 04 06
4
1500 - 1600
Nothing sent while changing RF Ch. 4
1600 -1900 0F 0F 0F 0F 55 55 FF FF 05 05 08
5
1900 - 2000
Nothing sent while changing RF Ch. 5
2000 - 2300 0F 0F 0F 0F 55 55 FF FF 06 06 0A
6
2300 -2400
Nothing sent while changing RF Ch. 6
2400 - 2700 0F 0F 0F 0F 55 55 FF FF
07 07
0C
7
2700 - 2800
Nothing sent while changing RF Ch. 7
2800 - 3100 0F 0F 0F 0F 55 55 FF FF 08 08 0E
8
3100 - 3200
Nothing sent while changing RF Ch. 8
3200 - 3500 0F 0F 0F 0F 55 55 FF FF 09 09 10
9
3500 - 3600
Nothing sent while changing RF Ch. 9
3600 - 3900 0F 0F 0F 0F 55 55 FF FF
00 00
FE 0
End test
3900
Nothing sent while changing RF Ch. 10
1
FACTORY TEST MODE can be entered upon cold power up and/or warm power up
2
IF E2 is not initialized, the remote will not enter the FACTORY TEST MODE.










