Hikvision DS-2AF1-401 Инструкция по эксплуатации онлайн [12/51] 312304

User Manual of 4-inch High Speed Dome

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this causes the over-exposure of the background where the light is strong.

Wide Dynamic Range (WDR)

The wide dynamic range function helps the speed dome provide clear images even under back light

circumstances. When there are both very bright and very dark areas simultaneously in the field of

view, WDR balances the brightness level of the whole image and provide clear images with details.

dwell time at the preset separately programmable.

Pattern

A pattern is a memorized, repeating series of pan, tilt, zoom, and preset functions that can be

recalled with a command from a controller or automatically by a configured function (alarm, park,

time task, or power-up). By default the focus and iris are in auto status during the preset is being

memorized.

Power-off Memory

This feature allows the dome to resume its previous position or status after power is restored. By

default setting, the dome supports the power-off memory capability with the dwell time of 3

minutes.

AUX Output

An auxiliary output is a configurable signal from the dome back box that can trigger another device

to operate. The dome provides one auxiliary output. The auxiliary output type can be set to NO

(normally open) or NC (normally closed). And the alarm dwell time is configurable as well.

Manchester Code Self-test

The speed dome supports Manchester code self-test for fault diagnostic. You can enable the

Manchester code diagnosis function by setting the positions 8 and 9 of DIP Switch to ON. The

corresponding fault code will be displayed on the screen (not available during park time) while

adopting Manchester protocol.

Table 1-1 Descriptions of the Fault Code