Avtech KD673 Schnellstartanleitung Seite 8

Note: Depending on the model you have, this DVR series supports UP TO FOUR audio-in channels, which
are Audio 1, Audio 2, Audio 3 and Audio 4 accordingly, and the audio data will be recorded with the
video data of CH1, CH2, CH3 and CH4 respectively.
For example, if your DVR supports two audio-in, its audio channels will be Audio 1 and Audio 2.
When you playback CH1, you will also hear the audio recording of Audio 1.
4.4. Search
1) Full Event Search
Press "LIST" to show the recorded files by event. Choose the item you want to see, and press "ENTER" to start
playback.
2) Search by Time
Press "MENU" to enter the menu list, and go to "ADVANCE"
press "ENTER" to enter the quick time search menu. You can search any specific events by time (Year / Month /
Day / Hour / Min) and directly play the file you find.
4.5. Firmware / OSD Upgrade
1) By using USB flash drive
Step 1. Format the USB memory device as FAT32 format first.
Step 2. Get the upgrade files from your distributor and save the upgrade files in your USB flash device (do not
change the file name).
Step 3. Insert the USB flash drive into the DVR USB port.
Step 4. Move to "ADVANCE"
Step 5. Select "YES", and press "ENTER" again to confirm upgrade.
2) By using the supplied software "Video Viewer"
Step 1. Save the upgrade files at your PC (do not change the file name), and execute Video Viewer.
Step 2. In the "Address Book" panel, select the IP address of your DVR (or add the IP address of your DVR to the
address book if it's not yet in the address book), and click "
Step 3. In "Update Server", click "Firmware" or "Language" tab as needed, and click "Add" to select the firmware
or OSD files to upgrade.
Step 4. Click "Update Firmware" or "Update Language" to start the upgrade.
"SYSTEM INFO", and move to "UPGRADE". Press "ENTER".
"EVENT LOG". Move to "QUICK SEARCH", and
" to show the "Update Server" panel.