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ESC/VP Level 6 Serial Communication Manual (Abridged Edition)
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(7) Parameters
: Parameters differ for each command, so refer the separate descriptions for each command.
* In the case of items for which the setting range can be adjusted, the parameter values are the values in the table below
which have been converted to hexadecimal format.
* If a reply command contains an error attribute, the following parameter (2 bytes) is set.
(8) Checksum
: Represent checksum (1 byte)
Checksum calculation method
All bytes of data from the size to the parameters is added together, and the twos complement of the result in hexadecimal for-
mat is subtracted from 0x0100 to obtain the checksum.
Example) For the command "1D 0007 01 10 00 02 0A CS"
-30 0 30
- +
E2 00 1E
Table 5-8. Hexadecimal conversion list
Decimal 1 2 3 4 5 6 7 8 9 101112131415161718192021222324252627282930
Hexadeci-
mal
01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E
Decimal -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30
Hexadeci-
mal
FF FE FD FC FB FA F9 F8 F7 F6 F5 F4 F3 F2 F1 F0 EF EE ED EC EB EA E9 E8 E7 E6 E5 E4 E3 E2
Table 5-9. List of error parameters
Parameters Error type Error condition
0x0001
Network in use An attempt was made to communicate with the projector via a network connection, but
another computer was already communicating with the projector.
0x0002
No applicable setting Parameter is outside the setting range and FromTo is incorrect.
Command is not supported, or unknown command.
0x0003 Resource error Insufficient EasyMP.net resources.
0x0004 Download in progress Projector is in download mode.
0x0005 Setting not currently possible The apply command received cannot be processed.
0x0006 Lamp off Projector lamp is switched off.
0x0007
Error between projector and
EasyMP.net
When the command was sent via EasyMP.net and too many retries or timeouts occur
between EasyMP.net and the projector, it indicates an error upstream from EasyMP.net.
0x0008 EasyMP.net rebooting EasyMP.net is at end sequence.
0x0009 Status mismatch A command which was different from the expected command was received.
0x000A
Projector error When too many retries or timeouts occur between master and slave projectors when
connected in a stack, it indicates an error upstream from the master projector.
0x000B
Network not connected An attempt at communication with the computer (network) was made, but no computer
(network) exists.
0x000C Locked An item which has been locked by the administrator (installer) was specified.
0x000D Not available for stack A command which cannot be used for a stack configuration was specified.
0x00 + 0x07 + 0x01 + 0x10 + 0x00 + 0x02 + 0x0A = 0x24 ---> 0x0100 - 0x24 = 0xDC