Dedicated Micros Digital Sprite Lite Průvodce nastavením stáhnout pdf (Strana 8)

ENGLISH

Rear Panel Connections

A Digital Sprite 2 can be installed in as little as 4 steps, and being plug-and-

play, cameras will be detected and begin recording automatically.

Connections at rear of the Digital Sprite 2

The illustration shows the rear panel connections.

Video

Audio

Data

Quick Install

SERIAL 1

SERIAL 2

SERIAL 3

SERIAL 4

TERM

485 BUS

AUX ALARMS

AUX RELAYS

DIRECT

12345

SCSI

NET

AUDIO 1

AUDIO 2

MON A

MON

VID 1 VID 2 VID 3

VID 4 VID 5

VID 6

VID 7

VID 8 VID 9 VID 10 VID 11 VID 12 VID 13 VID 14 VID 15 VID 16

OUT

(BUS A)

(BUS B)

With analogue recording, the image quality is dependent on the type of VCR

being used; VHS or S-VHS. Digital Sprite 2 allows the image quality to be

altered by adjusting the image size, for example, low quality is 14KB, medium

is 18KB, and high is 25KB*.

Using a larger image size will fill the hard disk faster than a smaller image

size, as more space is required to store it. To achieve the same amount of

recording time when a larger image size is used requires the record rate (PPS)

to be reduced.

* Note that as for all digital recording, image quality can vary for different scene types, medium

quality may be 18KB in one scene, but it may be 30KB or more to get the same quality in a

scene with more detail.

Standard record rate

The record rate is the amount of pictures recorded to disk in a second, or

pictures per second (PPS). This is a system wide figure, so whether 1 or 16

cameras are recorded, the record rate remains the same. The update rate per

camera can be worked out using the record rate:

Update rate = No. of cameras

Record rate

Hard disk capacity

Using a larger hard disk will allow image quality, recording rate, or recording

time to be increased. For example, an 80GB disk can record for 8 days at the

default settings (24-hour time-lapse mode at Medium quality).

Tip: As a rule-of-thumb recording at the default settings* will use 10GB of

storage per day, i.e. an 80GB unit will record for 8 days.

Calculating recording time

Digital Sprite 2 calculates the recording time automatically when the record

rate and image quality are entered. Alternatively, an interactive record

calculator is available for download from our web site:

www.dedicatedmicros.com

* 24-hour time-lapse mode, 6PPS, and medium quality images, 18KB.

VID1 to VID16

75 Ohm BNC composite camera connections (1V pk-pk)

Digital Sprite 2 is available as a 6, 9 or 16 channel.

MON A Main monitor, 75 Ohm BNC composite monitor connection (1V pk-pk).

MON B Spot monitor, 75 Ohm BNC composite monitor connection (1V pk-pk).

MON A Main monitor, S-video monitor connection.

SCSI 50-pin HD SCSI-2 connection.

NET RJ-45 10-baseT Ethernet connection.

SERIAL 1 & 2 9-way (Male) D-type RS-232 serial port.

SERIAL 3 & 4

(BUS A & BUS B)

9-way (Male) D-type RS-232, RS-422 and RS-485 serial port.

TERM Termination DIP switches for RS-485.

AUDIO 1 IN RCA (phono) socket, 47 KOhms 1V pk-pk.

AUDIO 1 OUT RCA (phono) socket, 1V pk-pk.

AUDIO 2 IN Not used, available for future expansion.

AUDIO 2 OUT Not used, available for future expansion.

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