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7. Reply Data
7KHFRQQHFWLRQ,'WKHGDWDLVVDPHDVWKHFRQQHFWLRQ,'GDWDRQWKHVHQGLQJ
data format) is attached to the Network control commands reply data.
$&.UHSO\‘06H’ + ‘xxH’
1$.UHSO\‘15H’ + ‘xxH’
(UURUUHSO\‘1CH’ + ‘xxxxH’ + ‘xxH’
'DWDUHSO\‘1DH’ + ‘xxxxH’ + ‘xxH’
3URMHFWRUEXV\UHSO\‘1FH’ + ‘xxxxH’ + ‘xxH’
$XWKHQWLFDWLRQHUURUUHSO\‘1FH’ + ‘0400H’ + ‘xxH’
(‘xxH’FRQQHFWLRQ,'
Automatic Connection Break
The TCP connection will be automatically disconnected after there is no
communication for 30 seconds after being established.
Authentication
The projector does not accept commands without authentication success
when authentication is enabled. The projector uses a challenge response type
DXWKHQWLFDWLRQZLWKDQ0'0HVVDJH'LJHVWDOJRULWKP:KHQWKHSURMHFWRULV
XVLQJD/$1DUDQGRPE\WHVZLOOEHUHWXUQHGLIDXWKHQWLFDWLRQLVHQDEOHG%LQG
this received 8 bytes and the authentication password and digest this data with
WKH0'DOJRULWKPDQGDGGWKLVLQIURQWRIWKHFRPPDQGVWRVHQG
)ROORZLQJLVDVDPSOHLIWKHDXWKHQWLFDWLRQSDVVZRUGLVVHWWR³SDVVZRUG´DQGWKH
UDQGRPE\WHVDUH³DIF´
1) Select the projector.
 5HFHLYHWKHUDQGRPE\WHV³DIF´IURPWKHSURMHFWRU
 %LQGWKHUDQGRPE\WHV³DIF´DQGWKHDXWKHQWLFDWLRQSDVVZRUG
³SDVVZRUG´DQGLWEHFRPHV³DIFSDVVZRUG´
 'LJHVWWKLVELQG³DIFSDVVZRUG´ZLWK0'DOJRULWKP
,WZLOOEH³HGDGIIDEFHIGEGH´
 $GGWKLV³HGDGIIDEFHIGEGH´LQIURQWRIWKHFRPPDQGVDQG
send the data.
6HQG³HGDGIIDEFHIGEGH´FRPPDQG
6) When the sending data is correct, the command will be performed and the
reply data will be returned. Otherwise, an authentication error will be returned.
NOTE$VIRU WKHWUDQVPLVVLRQRIWKHVHFRQGRUVXEVHTXHQWFRPPDQGVWKH
authentication data can be omitted when the same connection.
Command Control via the Network (continued)
211


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