Ask C90 Ürün Kılavuzu - Sayfa 6

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5 COMMAND RETURN CODES

The Serial protocol returns an acknowledgement ("return code") for every packet sent. If

the host sends a packet, then the projector acknowledge the receipt of this packet. The return codes are detailed in the table

below.

Command Return Code Name

ACK

NAK

ERR

VAL

STRING

Table 8

Host:

Operation Set Packet =>

<= ACK

Operation Get Packet =>

<= VAL

VAL=0x1D 0x00 0x03 means that 0x0300 is returned

Page 6

Projector Control

Return Code Value

0x06

0x15

0x1C 0xXXXX

0x1D 0xXX 0xYY

Strings 0x06

Projector

Description

Packet acknowledged – no errors. Normal

response when receiving

Packet not acknowledged – some error occurred in

receiving this packet. Usually

Indicates a CRC error.

Packet was received OK, but an error occurred

when executing the command contained in the

Packet. The two bytes following the 0x1C

(0xXXXX) are the error code

Packet value returned. This return code will be

sent in response to a Operation packet of type

OPERATION_GET. The first byte after 0x1D

(0xXX), is the least-byte of the returned value. The

0xYY is the most significant-byte of the returned

value.

ASCII Strings and at last ACK

Version 1.0