ELRO DVR74W 7 tft 4-ch digital recorder + 500Gb hard disc User Manual
Page 12

- 11 -
will return to 【File List】 automatically
2. BACKUP
Via USB Storage to backup, connect USB device via USB2.0 port before backup.
Select the recording file by direction keys , and press【Enter】, There will be a “√ ” sign if select is ok, and
then press【BACKUP】to begin backup as follow:
Instruction :
1. When USB device space is less than recording file, the system will show “Space no enough”.
2. Disconnect USB device directly when backup finished.
3 RECORD MODE
Move the cursor to 【RECORD】
(
Icon highlighted when selected),and press【Enter】to enter into the setting
interface(As follow showed). use direction keys and cursor to change the options.
CHANNEL: ON: Means the channel enable for recording.
RESOLUTION: There are D1,HD1,CIF three options, D1 means the resolution best ,
corresponding to D1、HD1、CIF resolution.
QUALITY : There are BEST, FINE and NORMAL three option, They are corresponding HIGHEST, HIGH and
NORMAL data stream standard
- 3 6 -
5.1.3. The definition of buttons and connectors on rear panel
4
AUDIO
IN
IN
5
6
Power Switch
7
8
USB
9
VIEDO
VIEDO
OUT
Connection M
Connectio
n wired camera(CH1/CH2)
Connection wired camera(CH1/CH2) with this device
onitor with this device.
DC12
12V DC power input
Interface
Connection Description
1
NET
RJ-45 network interface, can be connected to cable for
network remote view or control.
2
3
AUDIO OUT
This interface provides audio signals to external devices
such as speakers. While in the audio playback will
be output of this connector.
For software upgrade
485A
PTZ function jack
Power key for unit
with this device
VIDEO IN
AUDIO IN
USB
RJ45
AUDIO OUT
AUDIO OUT
1
2
3
4 5
6
7
8
2
1
2