Rs232c control, Rxd txd – Sanyo MPX-MD4 User Manual
Page 37
RS232C CONTROL
INFORMATION GATHERING COMMANDS
STATUS SENSE(D7)
When this command is sent from the computer, this unit will
send a 5-byte response (see Table 1).
STATUS SENSE(D7) byte assignment (Table 1)
Fourth and fifth bytes are reserved.
First byte
Bit
Bit state information
7
LIVE/VCR indication
0: LIVE picture mode
1: VCR playback mode
6
Monitor 1 display
mode indication
000:
Full screen
5
001:
4 divisions split screen
4
010:
Menu display
3
Monitor 1 displayed
channel depending
on the display mode
indication
(Full screen mode)
2
0000: Channel 1
1
0001: Channel 2
0
0010: Channel 3
0011: Channel 4
(4 divisions split screen)
0000: 4 divisions split screen (channels
1, 2, 3, 4)
(Menu display)
0000: (LANGUAGE/LANG./IDIO.) menu
0001: (CLOCK SET) menu
0010: (TITLE SET) menu
0011: (ALARM SET) menu
0100: (SENSOR SET) menu
0101: (TIMER SET) menu
0110: (DISPLAY SET) menu
0111: (VCR SET) menu
1000: (ALARM DATA) menu
Second byte
Bit
Bit state information
7
EXT/ALARM
indication
EXT and ALARM are ON
6
VIDEO LOSS
indication
VIDEO LOSS is ON
5
SENSOR indication
SENSOR is ON
4
Reserved
0
3
Monitor 1 display
state mode indication
0000: Normal display mode
2
0001: Sequential display mode
1
0010: Zoomed in mode
0
0011: Still image mode
0100: Frozen zoomed in image
0101: Zoomed in still image
0110: Zoom range setting mode
0111: Zoomed in still image range setting
mode
Third byte
Bit
Bit state information
7
Reserved
–
6
Reserved
–
5
Monitor 2 operation
MON2 setup
4
Monitor 2 operation
0: Full screen
1: Sequential display
3
Monitor 2 displayed
channel
0000: Channel 1
2
0001: Channel 2
1
0010: Channel 3
0
0011: Channel 4
ALARM STATUS SENSE(D5)
The external and video loss alarm states are indicated by a
6-byte response (see Table 2).
ALARM STATUS SENSE(D5) byte assignment
(Table 2)
First byte
Second byte
Bit
Bit
7
0
7
0
6
0
6
0
5
0
5
0
4
0
4
0
3
ALARM ON 4
3
0
2
ALARM ON 3
2
0
1
ALARM ON 2
1
0
0
ALARM ON 1
0
0
Third byte
Fourth byte
Bit
Bit
7
0
7
0
6
0
6
0
5
0
5
0
4
0
4
0
3
SENSOR 4
3
0
2
SENSOR 3
2
0
1
SENSOR 2
1
0
0
SENSOR 1
0
0
Fifth byte
Sixth byte
Bit
Bit
7
0
7
0
6
0
6
0
5
0
5
0
4
0
4
0
3
VIDEO LOSS 4
3
0
2
VIDEO LOSS 3
2
0
1
VIDEO LOSS 2
1
0
0
VIDEO LOSS 1
0
0
D7
d1
d2
d3
d4
d5
RXD
TXD
D5
d1
d2
d3
d4
d5
d6
RXD
TXD
L8FH5/US (MPX-CD4 GB) 1999. 6. 4
36
English