Hitachi vl-21a ユーザーズマニュアル
1. Document History
Revision
Issue Date
Reason
CN#
Rev A
07-21-11
Initial Release 11-00
2. Specifications
Signal
System
NTSC
Scanning System
2 : 1 Interlace
Scanning Frequency (H)
15.734KHz
Scanning Frequency (V) 59.94Hz
Image
Sensor
1/4”
IT
CCD
Total Pixels
811 (H) x 508 (V) 410K
Effective Pixels
768 (H) x 494 (V) 380K
2.1 Lens
F1.6 (W) ~ 3.7 (T) (± 7%), f = 3.6 ~ 97.2mm ( ± 7%)
x27 Zoom Video Auto Focus
High Durability Zoom Lens
Zoom Durability
More than 500K at Room Temperature
Focus Durability
More than 1,000K at Room Temperature
Iris Durability
More than 500K at Room Temperature
Focus Length
∞ ~1.0m (Tele) ~ 0.01m (Wide)
Signal Process
Digital Signal Processing
Sync System
Internal / External
Camera Functions
Optical Zoom
Optical Zoom
TELE ~ WIDE (Zoom Speed: 4 sec)
Digital Zoom
Off / On (x 10 times)
Video Focus
Auto / Manual (NEAR ~FAR) / Push Auto
Manual
Mode
Zoom
Start
Zoom
Stop
Manual
Manual (AF Action is activated for a moment
before
focus
stops)
White Balance
AUTO / Indoor / Outdoor / Push Auto / Manual
(R&B Gain Level UP/DOWN)
Special (R or B Gain Level Control)
Shutter Speed
AUTO / Manual (1/60 ~ 1/10000 (NTSC)
Iris Control
AUTO / Manual (Manual Iris Level: UP ~ Down
Gain Control
AUTO / Manual (Manual Iris Level: UP ~ Down
3