Sanyo VCC-WB2000 User Manual download pdf (Page 43)

Alarm Setting

Pre-alarm and Post-alarm Recording

The camera can record images from the point

immediately preceding an alarm (pre-alarm

recording) and images that occur after the alarm

is received (post-alarm recording).

The alarm data for a single pre- and post-alarm

event can be recorded in the camera’s internal

memory. The ratio between the spaces

available for pre-alarm and post-alarm recording

can be set using the BUFFERING AREA

command in the ALARM SET menu. The default

setting is “0” for pre-alarm recording and “10” for

post-alarm recording. In this case, the

COMPRESSION RATIO and RESOLUTION

setting values for images in the live image

screen can be changed regardless of the alarm

settings. (Figure 1)

However, if the BUFFERING AREA settings are

changed so that the PRE/POST ratio is 1/9 or

something greater than this (so that pre-alarm

recording is carried out), the [PRIORITY] and

[ALARM RESOLUTION] settings will be

displayed in the set positions on the live image

screen. In this case, the setting values are fixed,

and so they cannot be change using the

drop-down list box. The [IMAGE MODE] setting

at this time will also be fixed at “COLOR”.

(Figure 2)

In addition, if [PRIORITY] is set to “PICTURE

QUALITY”, the compression ratio setting in the

live image screen will be “STEP5”, and if it is set

to “TIME”, then “STEP2” will be displayed.

Note: When the alarm recording capacity is

filled, pre-alarm recording is canceled.

Accordingly, the setting for the drop-down

list box in the live image screen will no

longer be fixed.

Figure 1

Figure 2

L5AB2/US (VCC-WB2000) GB 2002, 7, 4

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Sanyo VCC-WB2000 User Manual Page 43

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