Avtech AVD 748, User Manual

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CONNECTION AND SETUP
4
2. CONNECTION AND SETUP
Before the DVR is powered on, make sure you have installed a hard disk and connected at least one camera. For
details, please refer to the following sections.
Note: The DVR is designed to automatically detect the video system of the connected cameras (NTSC or
PAL). To make sure the system detection is correct, please check if the cameras are connected to
the DVR and power-supplied before the DVR is powered on.
2.1 SATA HDD Installation
A SATA HDD must be installed before the DVR is powered on.
Note: It’s recommended to clear all data in the hard disk when the DVR is powered on and the date &
time are set correctly to ensure the recorded data are not mixed with other data previously saved
in the same hard disk. For details, please refer to “2.5 Clear Hard Disk” at page 8.
For 16CH & 8CH Models
Step1: Loose the screws on the upper cover and open the upper cover of the DVR.
Note: The DVR cover is made of metal. Please be careful with its edge when you remove the cover.
Step2: There are two HDD brackets for this DVR as indicated on
the right picture.
2-1 To install on the first bracket
Remove the bracket, and align the screw holes of the
bracket with the HDD’s screw holes. Make sure the
PCB side of the HDD is facing up.
Fasten the HDD to the bracket, and connect the power
connector and data bus connector to the HDD. Then,
replace the bracket to DVR.
2-2 To install on the second bracket
Connect the power connector and data bus connector
to the HDD.
Align the screw holes of the bracket with the HDD’s
screw holes. Make sure the PCB side of the HDD is
facing up. Then, fasten the HDD to the bracket.
Step3: Close the upper cover of the DVR, and fasten all the screws you loosened in Step1.
For 4CH Model
Step1: Remove the screws on the top cover of DVR, and remove the top cover.
Step2: Remove the HDD bracket. Then, with the PCB side facing up, connect the compatible HDD to the
power connector and data bus connector.
Step3: Put the compatible HDD in the bracket, and fasten it with the supplied screws, two for each side.
Step4: Replace the bracket back to the DVR.