66
Automatic Connection Break
7KH7&3FRQQHFWLRQZLOOEHDXWRPDWLFDOO\GLVFRQQHFWHGDIWHUWKHUHLVQR
communication for 30 seconds after being established.
The projector does not accept commands without authentication success
when authentication is enabled. The projector uses a challenge response type
DXWKHQWLFDWLRQZLWKDQ0'0HVVDJH'LJHVWDOJRULWKP
:KHQWKHSURMHFWRULVXVLQJD/$1DUDQGRPE\WHVZLOOEHUHWXUQHGLI
DXWKHQWLFDWLRQLVHQDEOHG%LQGWKLVUHFHLYHGE\WHVDQGWKH$XWKHQWLFDWLRQ
3DVVZRUGDQGGLJHVWWKLVGDWDZLWKWKH0'DOJRULWKPDQGDGGWKLVLQIURQWRIWKH
commands to send.
)ROORZLQJLVDVDPSOHLIWKH$XWKHQWLFDWLRQ3DVVZRUGLVVHWWR³SDVVZRUG´DQGWKH
random 8 bytes are “a572f60c”.
Authentication
1) Connect the projector.
5HFHLYHWKHUDQGRPE\WHV³DIF´IURPWKHSURMHFWRU
%LQGWKHUDQGRPE\WHV³DIF´DQGWKH$XWKHQWLFDWLRQ3DVVZRUG
“password” and it becomes “a572f60cpassword”.
'LJHVWWKLVELQG³DIFSDVVZRUG´ZLWK0'DOJRULWKP
It will be “e3d97429adffa11bce1f7275813d4bde”.
5) Add this “e3d97429adffa11bce1f7275813d4bde” in front of the commands
and send the data.
6HQG³HGDGIIDEFHIGEGH´FRPPDQG
6) When the sending data is correct, the command will be performed and the
reply data will be returned. Otherwise, an authentication error will be returned.
$VIRUWKHWUDQVPLVVLRQRIWKHVHFRQGRUVXEVHTXHQWFRPPDQGVWKH
authentication data can be omitted when the same connection.
NOTE
7. Other Functions
7.4 Command Control via the Network (continued)