Sentry LE Series Manual page 53

LE/LE-HC Series DVR User Manual
V1.4 October 2006
Algorithm
Use the Dimension option to set the resolution of the video. Default resolution setting is 320 x 240
pixels but 640 x 480 can be selected. Please remember that higher resolutions will give larger
recorded files and slower remote transmissions.
Use the keyboard or mouse to complete each field and click OK to save changes.
NTP Setup
Use the NTP Setup menu to enter details of the Network Time Protocol (NTP) server used to
synchronize the time of the device with the network.
Use the keyboard or mouse to complete all fields. After making the changes, click on the Test &
Save button to verify that the server is operational. Click OK to save changes.
Firewall
(only on LE-HC)
The function of the Firewall is to protect your DVR system from Internet attacks so that you can
safely hook up your DVR to the Internet.
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