Approach Tech DVR-3024 - Manual (Page 34)

32
D uration
Setting
Alarm
activated
Alarm
deactivated
R eset
Alarm recording N on-Stop
Alarm
activated
Alarm
deactivated
D uration
Alarm recording
D uration
REC RATE:
This option is for the purpose of adjusting the
number of pictures recorded every second
into a storage disk when an alarm input is
activated. For an NTSC unit, there are 5
different record speeds you can select from:
30F/S (30 fields per second), 15F/S, 10F/S,
6F/S, and REMAIN. For a PAL unit, there are
5 different record speeds you can select from:
25F/S (25 fields per second), 12.5F/S,
8.3F/S, 5F/S, and REMAIN. If you select
REMAIN for use, the device will record
images at the same speed as set on the REC
page.
REC QUALITY:
This option determines the image quality to
be recorded when an alarm input occurs.
There are 4 levels of image quality to choose
from: BEST, HIGH, STANDARD, and BASIC.
The table below shows the level of image
quality with the corresponding compression
ratio and image size.
REC
Quality
Best High Standard Basic
Image
Size
60KB 50KB 40KB 32KB
AUDIO:
This option determines the way to record
sound if necessary.
OFF: Disables AUDIO recording.
11KHZ: Enables AUDIO recording and
records at the 11KHz sampling rate.
22KHZ: Enables AUDIO recording and
records at the 22KHz sampling rate.
NOTE: Audio function can only be activated in
the following refresh rate in NTSC(PAL):
30(25), 15(12.5), 10(8.3), 6(5), 2.7(2.7)
fields/sec.
ALM TYPE:
This option allows users to set a type of alarm
input corresponding to the sensor signal in
use.
NO: Normally Open. This is to be used with
the type of alarm sensor whose contact
remains open in normal conditions and
closes in case of activation.
NC: Normally Closed. This is to be used with
the type of alarm sensor whose contact
remains closed in normal conditions and
opens in case of activation.
ALM DURATION:
This option allows users to set alarms for a
certain duration. You can select one of the six
following options: 0 SEC, 30SEC, 1 MIN, 5
MIN, 10 MIN, and NON-STOP.
NOTE: Recording may be interrupted during
Alarm-in or Alarm-out.
PRE- ALARM:
This option determines that images prior to an
alarm occurs will be recorded in the hard-disk
drive. When an alarm is triggered the device
will record the image prior to the alarm for 5
seconds ( 10 frame / sec ).
ON: Enables this function.
OFF: Disables this function.
NOTE: If the device is already under recording
mode before an alarm occurs, the
pre-alarm recording will not take effect.