Videology 20/21Z404, Руководство по связи, Страница: 3 / 28

1. Features:
• High Sensitive ¼ inch Super HAD CCD
• Built in Auto Focus / Auto Iris
• Optical Power Zoom Lens
20/21xx4/22x: 22x
• Digital Zoom
20/21xx4/22x: 10x (220x Zoom)
• RS-232C, RS-232 TTL
RS-422, RS-485 communication
• Mirror Image function
• Negative / Positive function
• Preset function
• OSD (On Screen Display)
2. BASIC FUNCTIONS
20/21xx4/22x series
Zoom/Focus Lens Control
2.1. Zoom/Focus Lens Position Range
Optical zoom lens position range
→ 000 hex ~ 928 hex
Focus lens position controllable range
→ 0FD hex ~ 516 hex (It is not specified)
Digital zoom position
→ 00 hex ~ E7 hex
Quick Zoom Trace Mode (QZT)
Non Zoom Trace Mode (NZT)
: When the zoom lens moves, the focus lens doesn’t move. The picture will not
focused while the zoom lens moves to the target position.
2.2. Zoom Lens Speed Mode
Normal (Slow) Zoom Mode
: Zoom lens speed is slow.
Quick Zoom Mode
: Zoom lens speed is faster than Slow Zoom Mode.
2.3. One Shot Focus
The Camera starts the auto focusing action once.
When the One Shot Focus Command is sent, the focus lens moves to adjust the focus on
the object.
Doc # APN 20/21Z704 22X
Comm.
Issue Date: 3/25/2005
Revision: E Page 3 of 28