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NORMAL RECORDING
[Recording Speed Mode]
Recording speed mode and single picture data size relation table
The numbers indicate the rate at which the images are stored into the memory (number of fields (or frames) per second)
Recording
speed mode
(hour mode)
Minimum
recording
duration
(hour)
Single picture data size
15kByte/
field
22kByte/
field
30kByte/
field
42kByte/
field
56kByte/
field
84kByte/
frame
12 12 – – 30 (N) 20 (U) 15 (H) 10 (F)
24 24 30 (E) 20 (L) 15 (N) – 7.5 (H) 5 (F)
48 48 – 10 (L) 7.5 (N) – 3.75 (H) 2.5 (F)
72 72––––2.5 (H)1.67 (F)
96 96––––1.88 (H)1.25 (F)
120120––––1.5 (H)1 (F)
168168––––1.07 (H)0.71 (F)
240240––––0.75 (H)0.5 (F)
360360––––0.5 (H)0.33 (F)
480480––––0.38 (H)0.25 (F)
720720––––0.25 (H)0.17 (F)
960960––––0.19 (H)0.125 (F)
The code (E, L, N, U, H, or F) within brackets indicates the picture quality. The picture quality (E) being the lowest and
(F) the highest. (E: Extended low picture quality recording, L: Low picture quality recording , N: Normal picture quality
recording, U: Upper picture quality recording, H: High picture quality recording, F: Frame recording).
The codes E, L, N, U and H indicate field recording and the code F indicates frame recording.
The picture quality code is displayed at the left of the recording speed mode.
Audio recording/playback is only possible in 12-, 24-, 48- and 72-hour modes.
The accumulated picture to memory mode (rate) is selected according to the recording speed mode and picture quality
code.
NOTES:
œ At playback, the picture quality code cannot be selected. The playback speed mode is selected and the picture quality
code is set automatically according to the recording speed mode and the picture quality code selected for recording.
œ The picture quality code “N” is displayed as “n” on the digital display.
œ The indicated minimum recording duration in the table is for recording to the end on an ST-180XZES tape. The actual
recording duration may be longer according to the kind of recorded pictures.
œ When used for recording through a multiplexer, set the multiplexer camera switching interval to a longer setting than
the recording interval. (For example, when recording in F12-hour recording mode (10 frames/sec), set the interval to a
value bigger than 0.1 sec.)
RD2QD/NA (DTL-4800 GB) Tue. Aug., 08/2000
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