JVC VR 601 User Manual

Page 55

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6.2.2 COMMAND Types

6.2.2.0 Command (Main Category=0x02)

6.2.2.1 Handshake (Second Category=0x01)

PC Request: <0x41>, <0x01>, <0x20>, <0x02>, <0x01>, <0x00>, <0x4f>

DVR Response: <0x41>, <0x20>, <0x01>, <0x02>, <0x08>, <0x00>, <0x4f>

6.2.2.2 Request Time (Second Category=0x02)

PC Request: <0x41>, <0x01>, <0x20>, <0x02>, <0x02>, <0x00>, <0x4f>

DVR Response: <0x41>, <0x20>, <0x01>, <0x02>, <0x02>, <0x07>, <7 Time Value >, <0x4f>

The following case is an illustration of < 7 Time Value>

2001/06/20 17:05:00 = <0xD1>, <0x07>, <0x06>, <0x14>, <0x11>, <0x05>, <0x00>

6.2.2.3 Set Time (Second Category=0x02)

PC Request: <0x41>, <0x01>, <0x20>, <0x02>, <0x02>, <0x07>, < 7 Time Value >, <0x4f>

The following case is an illustration of < 7 Time Value>

2001/06/20 17:05:00 = <0xD1>, <0x07>, <0x06>, <0x14>, <0x11>, <0x05>, <0x00>

DVR Act: Changing the time and date.

NOTE: The date (year, month and day) may not be set by RS-232. In this case,

please set at the desired date after setting the date at different year, different

month and different day.

6.2.2.4 Request State (Second Category=0x06)

PC Request: <0x41>, <0x01>, <0x20>, <0x02>, <0x06>, <0x00>, <0x4f>

DVR Response: <0x41>, <0x20>, <0x01>, <0x02>, <0x06>, <0x01>,

<System State = 0..>, <0x4f>

Description of <System State>:

STATE_STOP

0

STATE_REC

1

STATE_PLAY

3

STATE_SETUP

6

STATE_SEARCH

7

STATE_BACKUP

15

STATE_NET_PLAY

23

6.2.2.5 Time Search (Second Category=0x0b)

PC Request: <0x41>, <0x01>, <0x20>, <0x02>, <0x0b>, <0x06>, <6 Time Value >, <0x4f>

where < 6 Time Value > = year ( 2 bytes, = LowByte + HighByte*256 ), month ( 1 byte),

day (1 byte), hour(1 byte),min(1 byte)

Example: to search 06/12/2002 17:00 the Time Value =

<0xd2>,<0x07><0x06>,<0x0b>,<0x11>,<0x00> where 2003= 210(=0xd3) + 7(=0x07) *256

NOTE: The DVR accepts RS-232 time search commands only under the live or playback

Mode.

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