10
7. Reply Data
7KHFRQQHFWLRQ,'WKHGDWDLVVDPHDVWKHFRQQHFWLRQ,'GDWDRQWKHVHQGLQJ
data format) is attached to the Network control commands reply data.
$&.UHSO\
‘06H’ + ‘xxH’
1$.UHSO\
‘15H’ + ‘xxH’
(UURUUHSO\
‘1CH’ + ‘xxxxH’ + ‘xxH’
'DWDUHSO\
‘1DH’ + ‘xxxxH’ + ‘xxH’
3URMHFWRUEXV\UHSO\
‘1FH’ + ‘xxxxH’ + ‘xxH’
$XWKHQWLFDWLRQHUURUUHSO\
‘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
DXWKHQWLFDWLRQZLWKDQ0'0HVVDJH'LJHVWDOJRULWKP:KHQWKHSURMHFWRULV
XVLQJD/$1DUDQGRPE\WHVZLOOEHUHWXUQHGLIDXWKHQWLFDWLRQLVHQDEOHG%LQG
this received 8 bytes and the authentication password and digest this data with
WKH0'DOJRULWKPDQGDGGWKLVLQIURQWRIWKHFRPPDQGVWRVHQG
)ROORZLQJLVDVDPSOHLIWKHDXWKHQWLFDWLRQSDVVZRUGLVVHWWR³SDVVZRUG´DQGWKH
UDQGRPE\WHVDUH³DIF´
1) Select the projector.
5HFHLYHWKHUDQGRPE\WHV³DIF´IURPWKHSURMHFWRU
%LQG WKH UDQGRP E\WHV ³DIF´ DQG WKH DXWKHQWLFDWLRQ SDVVZRUG
³SDVVZRUG´DQGLWEHFRPHV³DIFSDVVZRUG´
'LJHVWWKLVELQG³DIFSDVVZRUG´ZLWK0'DOJRULWKP
,WZLOOEH³HGDGIIDEFHIGEGH´
$GGWKLV³HGDGIIDEFHIGEGH´LQIURQWRIWKHFRPPDQGVDQG
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.
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)