JS-DS-004 MDVR USER MANUAL
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Sense: 3 levels to choose about sensitivity
Record: whether to need recording when alarm appears
Linkage: connection of external alarm device.
Delay: if triggered event is longer than preset time, then it's considered as an alarm.
Voltage
L-V: alarm be triggered if voltage is lower than threshold value
H-V: alarm be triggered if voltage is higher than threshold value
Limit: edge value for alarm triggering
Hold: be treated as an alarm when alarm length surpassing the set period.
Linkage: means”alarm linkage”. OFF or user defined to an external device like alarm lamp etc.
Delay: if triggered event is longer than preset time, then it's considered as an alarm.
Serial
COM1/COM3: the RS232, usually for short distance transmission with POS, Printer etc
COM2/COM4: the RS485, usually for long distance transmission with PTZ camera etc
Choosing external device accordingly, the Baud will auto set itself; or set manually if external
device mismatch the parameters.
PTZ
