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English _87
BACKUP VIEWER
Name Description
a
Audio
/
A toggle button. Each time you press this button, the audio output will toggle
between activated and deactivated.
You can adjust the volume level from 0 to 100.
b
Screen Printout
Saves the current screen as an image file. Supported file formats include
BMP and JPEG.
Prints out the current screen. You should have installed the appropriate
printer driver before you can print out the screen.
c
File Tamper
Detection
/
A toggle button. Each time you press this button, it will toggle between
activated and deactivated. The closed lock icon indicates activation of the file
tamper detection, which will blink the screen three times and stop playing if
an unauthorized manipulation of a data file is detected.
A message of “The file is forged” will display in the menu bar.
d
Deinterlace You can enable the De-interlace function.
e
Zoom In/Out
Collapses the time range that is displayed on the range bar of the storage
time. You can collapse the range bar until the overall range is shortened to 24
hours.
Enlarges the time range that is displayed on the range bar of the storage
time. You can enlarge the range bar until the overall range is extended to 1
minute.
f
Display of storage time range
Displays the time range of a stored video file.
You can move the gridline of the range bar to select a time point to play.
g
Speed
A toggle button; each time you press this button, the "Slow Playback" icon
changes its color to display it’s activated/deactivated. If it is activated, you
can use the play speed control to adjust the play speed up to x1/16 forward
and backward respectively, whereas if deactivated, you can adjust up to x16
forward and backward.
A toggle button; each time you press this button, the "Lock Speed" icon
changes its color to display it’s activated/deactivated.
If activated, the adjusted speed will be kept even if you release the mouse on
the speed bar. If deactivated, the adjusted speed will be applied only while
you use the mouse to hold the adjusted speed, and if you release the mouse,
the speed will restore to x1.
You can adjust the play speed up to x16 forward and backward respectively,
which varies according to the frame rate per second of the source.
Fast playback maximum is limited to x2 for footages recorded at 20 ~ 30 fps
(frames per second), x4 for 11 ~ 19 fps, x8 for 6 ~ 10 fps, and x16 for footages
recorded at slower than 6 fps.
h
Play
Displays the next frame. This is available only if the playback is stopped.
A toggle button. Press it once to start playing the video and switch the button
mode to 'Pause', and press it again to switch the button mode to Play and
stop playing temporarily.
Displays the previous frame. This is available only if the playback is stopped.