Maxtor MV-DR3000 60F/S 60 fields per second, 30F/S, 20F/S, ALM Type, ALM Duration, PRE- Alarm

/deactivate the alarm recording when it detects an alarm input.

ON: The device activates the alarm recording when it detects an alarm input. OFF: The device ignores the alarm signal when it detects an alarm input.

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:

60F/S (60 fields per second), 30F/S, 20F/S,

12F/S, and REMAIN. For a PAL unit there are

5 different record speeds you can select from:

50F/S (50 fields per second), 25F/S, 17F/S,

10F/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	Best	High	Standard	Basic
Quality
Image	48KB	32KB	21KB	16KB
Size

AUDIO:

This option determines the way to record sound if necessary.

ON: Enables AUDIO recording.

OFF: Disables AUDIO recording.

NOTE: Audio function can only be activated at the following refresh rates in NTSC(PAL): 60(50), 30(25), 20(17), 10(10), 5.5(5.5) 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.

Duration

Set ting

	Alarm recording
		Duration
Alarm	Alarm
activated	deactivated
Non-Stop	Alarm recording
		Duration
Alarm	Alarm		R eset
activated	deactivated

NOTE: Recording may be interrupted at the time of

Alarm-in or Alarm-out.

LIVE images may be interrupted at the time

of Alarm-out.

PRE- ALARM:

This option determines that images prior to an alarm 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 ( 20 fields/sec).

ON: Enables this function.

OFF: Disables this function.

33