8
Detailed Descriptions of Commands
REC PRESET (DAH+99H)
Sets the requirements for the Recording modes.
Parameter bytes to follow to specify the requirements
are the same format of those of the return data for REC
PRESET SENSE (DAH+C9H).
The time mode and recording cycle cannot be set in
combination. If both are specified, the time mode
setting has priority, and the recording cycle setting is
ignored.
7tib 6tib 5tib 4tib 3tib 2tib 1tib 0tib
1etyb 10000 EDOMCER
2etyb8AREMAC7AREMAC6AREMAC5AREMAC4AREMAC3AREMAC2AREMAC1AREMAC
3etyb
AREMAC
61
AREMAC
51
AREMAC
41
AREMAC
31
AREMAC
21
AREMAC
11
AREMAC
01
9AREMAC
4etybHTGNELEPATfosdnasuohT HTGNELEPATfosderdnuH
5etybHTGNELEPATfosneTHTGNELEPATfostinU
6etyb 00000 EDOMYTILAUQ
7etybEDOMEMITfosdnasuohT EDOMEMITfosderdnuH
8etybEDOMEMITfosneTEDOMEMITfostinU
9etybELCYCCERfosneTELCYCCERfostinU
01etybELCYCCERfoecalplamicedts1ehtotnwoD ELCYCCERfoecalplamiceddn2ehtotnwoD
Example: To set the number of cameras to 16, the
tape length to 270 minutes, the image quality mode to
HIGH and the time mode to 123 hours for Recording
mode 1:
First byte
Bits 2 to 0: Specify the Recording mode number.
Second and third bytes
Specify the tape length in units of minutes in BCD.
Fourth and fifth bytes
Each bit specifies whether to record the corresponding
camera input.
0: Not to record
1: Record
Sixth byte
Specifies the image quality mode.
001: SUPER
010: HIGH
011: MID
100: LOW
111: No change
Seventh and eighth bytes
Specify the time mode in units of hours in BCD.
When the time mode is not to be specified, pad both
bytes with FFH.
Ninth and tenth bytes
Specify the recording cycle in units of 0.01 second by
a BCD code.
When the cycle is not to be specified, pad both bytes
with FFH.
ALARM PRESET (0AH+9AH)
Specifies the requirements for alarm recording.
The parameters to be set depend on the mode of alarm
recording.
7tib 6tib 5tib 4tib 3tib 2tib 1tib 0tib
1etyb 10000 EDOMMRALA
2etyb 00000 )mralAretfA(EDOMCER
3etybDNEEPAT
MRALA
FFO
0EMITEMITFFOMRALAfosderdnuH
4etybEMITFFOMRALAfosneT EMITFFOMRALAfostinU
5etyb 0000 EMITMRALAERPfosderdnuH
6etybEMITMRALAERPfosneT EMITMRALAERPfostinU
Normal mode: The pre-alarm time setting (bytes 5
and 6) is ignored.
Interleave mode: The pre-alarm time setting (bytes 5
and 6) is ignored.
Event mode: The pre-alarm time setting (bytes 5 and
6) is ignored.
Frame mode: The settings of the condition for
canceling the alarm recording (bytes 2 and 3) and
the pre-alarm time (bytes 5 and 6) are ignored.
Example: To switch to Recording mode 2 upon an
alarm input and return to normal recording in 30
seconds:
First byte
Bits 2 to 0: Specify the mode for alarm recording.
000: Normal mode.
001: Interleave mode
010: Event mode
011: Pre-alarm mode
100: Frame mode
RxD
TxD
DAH
0AH
99H 01H FFH
23H FFH FFH
0AH 0AH
FFH
0AH
02H
0AH 0AH
0AH
01H
0AH
02H
0AH
70H
0AH
0AH 0AH
EXP-3 CMD DATA DATA
DATA DATA DATA
ACK ACK ACK
DATA
ACK
DATA
ACK ACK
ACK
DATA
ACK
DATA
ACK
DATA
ACK
ACK ACK
RxD
TxD
DAH
0AH
9AH
80H 10H02H 30H 00H 00H
EXP-3 CMD
ACK DATA DATADATA DATA DATA DATA
