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Sony WatchCorder EVT-820 Operating Instructions Manual page 4

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Frame still picture with
high resolution
The frame still picture doubles vertical resolution in comparison to the field still
picture.
* Horizontal resolution is improved to more than 380 lines in black-and-white mode and
more than 260 lines in color mode.
Six time lapse modes
The time lapse intervals for recording can be set in six steps, from 1 frame per 0.25
seconds to 1 frame per 16 seconds. At the longest interval setting, available recording
time is a full 760 hours (about 31 days) with one 90-minute tape.
Field still picture with digital
memory
For clear and unblurred viewing of fast-moving objects, single fields stored in digital
memory can be displayed.
Versatile recording
functions
¢ Alarm recording — Automatic recording at shortest time mode setting when alarm
sensor is activated.
© Timer recording — Two kinds of timer recording
Internal timer recording: Automatic recording at the desired time on the desired days of
the week. Up to three programs can be preset for one week.
External timer recording: Automatic start of recording when power is supplied from an
external timer.
* Repeat recording — Automatic rewind at tape end, and recording restart at tape
beginning.
Alarm recall and alarm
search function
Up to 10 alarm recordings can be listed and the alarm date, time and current time are
shown ("Alarm recall'). A still picture can be also obtained at the alarm recording portion
('Alarm search').
Time/date generator
Time and date information, which is invaluable for surveillance and monitoring purposes,
can be recorded together with the picture.
Informative display with
tape counter
The recording condition and other settings can be checked at a glance on the easy-to-
read display. The REC indicator flashes in the same interval as the selected time mode,
and the ALARM indicator alerts of any alarm sensor operation.
Power failure backup
and automatic recording
restart
Time and date settings are retained for up to 72 hours even in the case of a power
interruption. During recording, when power is restored, recording automatically continues
in the previously selected mode.
REC LOCK function
To guard against operation errors, the record mode can be locked, so that recording
is not interrupted even if a button is accidentally pressed.

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