LT Security LTD2284HMK - Manual (Page 20)

2.2.2.5.1 ALARM SETUP
Move the cursor to【ALARM SETUP】（Icon highlighted when selected），press【Enter】
to access setting interface.
I/O CHANNEL： Each channel corresponds an I/O status, which means when an alarm is
triggered, it will activate the corresponding channel to start alarm recording.
N.O：indicate I / O input level from high to low
N.C：indicate I / O input level from low to high
HDD LOSS：ON: means it will trigger an alarm if there is no HDD, and a 【H】will be displayed
on the left bottom of channel 1 in the live view
HDD SPACE：ON：If the space is less than 500M, a remark will appear in live view：Not enough
space, please change HDD after shutdown.
VIDEO LOSS：ON：when one channel has no video input, it will display “video loss” in live view.
ALARM MANAGE：Includes three options, alarm output, buzzer and post REC.
OUTPUT：When an alarm is triggered, the alarm output time will be:
0 second、10 seconds, 20 seconds, 40 seconds and 60 seconds
●
BUZZER：Buzzer calling time setup when alarm is triggered: 0 second,10
seconds,20 seconds,40 seconds and 60 seconds
● POST REC.：Post recording time setup: 30 seconds,1 minute,2 minutes and 5
minutes
● PRE REC：Pre-recording time is fixed as10 seconds.
2.2.2.5.2 SYSTEM INFO
Move the cursor to【SYSTEM INFO】（Icon highlighted when selected），press【Enter】to
access setting interface. This interface mainly displays system hardware features and firmware
versions; includes : device type, software version, MAC address, serial number.
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