Manuale d’uso / di manutenzione del prodotto vl-21a del fabbricante Hitachi
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HIT ACHI Instruction Manual VL-21A 1.
T able of Contents 1. Document History 3 2. Specifications 3 2.1 Lens 3 3. Measurement Specifications 5 4. Environment Condition and Test 5 4.1 High Temperature Storage Test 5 4.2 Low Temperature Storage Test 5 5 . I n t e r f a c e 5 5.1 Pin Assignment 5 5.
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) 15.734K Hz 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.
Sharpnes s Manual (Sharpness UP ~ Do wn) Brightness Manual (Brightness UP ~ Do wn) Negative Off / On OSD Func tion On / Off, English / Chinese (Appendix 1) Flickerless Off / On 1/100 sec Shutter Set NTSC Back Light Normal / Zone Selectable Day & Night Function Auto / Day / Night Video Output Levels Video Level = 0.
3. Measurement Specifications See “Appendix 2” for Standard Measurement Co ndit ion and Measurement Procedure 4. Environment Condition and Test Operating Condition Temperature -10°C ~ 60° C (Recommenda tion: -5°C ~ 50°C) Humidity 20% ~ 60% Storage Condition Temperature -40°C ~ 60 ° C Humidity 0% ~ 90% 4.
6. Lens Test Condition 6.
7. Appearance 7.
8. Appendix 1 8.1 OSD (On Screen Display) 1) OSD Display Position The OSD (O n Screen D isplay) is as follows: 2) Description 8.
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8.2. Menus and Operations 8.2.1. MAIN MENU The main menu is shown belo w. 9 functions can be selected. Many of these sections have subsections as described in the pro- ceeding pages.
ZOOM END Maximum zoom movement. Possible from x001 to x270. ZOOM SPEED Zoom speed movement. Possible from x1 to x27 MENU FOCUS EXPOSURE B L C WHITE BAL 3 D - D N R SPECIAL GENERAL INITIAL EXIT 8.2.3. EXPOSURE EXPOSURE AE MODE AUTO SHUTTER NOT USED IRIS NOT USED AGC NOT USED BRIGHTNESS 25 FLICKERLESS OFF D.
8.2.4. BLC Use to select BLC mode. M E N U FOCUS EXPOSURE BLC NORMAL, R2, R1, D2, D1, U2, U1 WHITE BAL 3 D - D N R SPECIAL GENERAL INITIAL EXIT 8.
8.2.6. 3D-DNR 3D digital noise reduction use d to redu ce grainy ima ge MENU FOCUS EXPOSURE B L C WHITE BAL 3D-DNR OFF, HIGH, MIDDLE LOW SPECIAL GENERAL INITIAL EXIT MENU FOCUS EXPOSURE B L C WHITE BAL 3 D - D N R SPECIAL GENERAL INITIAL EXIT 8.
8.2.7.1. MOTION When there is movement of the subject on the scree n there will be an alarm, or the user will be informed through com- munications on “MD” will display on the screen. NOTE: There is a signal every time there is move- ment by the subject.
8.2.8. GENERAL General camera settings. GENERAL CAM ID ID DISPLAY OFF CAM TITLE OFF LANGUAGE ENG PROTOCOL DEF BAUDRATE 9600 VERSION VER 1.1N INITIAL OFF E X I T CAM ID Displays the camera’s ID from 0 - 255. LANGUAGE Displays the currently set language.
8.3. Specifications Signal System NTSC Scanning System 2 : 1 Interlace Horizontal Scan Freque ncy 15.734 KHz Vertical Scan Frequency 59.94 Hz Image Sensor 1/4 Inch Micro Lens IT CCD Total Pixels 811 (H) x 508 (V) 410K Effective Pixels 768 (H) x 494 (V) 380K Horizontal Resolutio n 580 TV Lines (BW 600 TV Lines), Sharpness Max.
8.4. Communication Protocol 17.
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9. Appendix 2 9.1 Measurement Conditions Standard Measurement Conditions 19 Supplied Voltage DC 12 volts ± 0.5 volts Ambient Temperature 23° C Humidity 60% RH Measurement Fixture Video Output, DC input, RS-23 2C level Convert (5Vp-p -> 12Vp-p) Power Supply 12 volts ± 0.
9.2. Measurement Procedure 9.2.1. Video Output Level MEASURING SYSTEM System 1 PROCEDURE TEST CONDITIONS Refer to “MEASUREMENT CO NDITIONS” 1. Shoot the gray scale chart, and zoom WIDE or TELE to fit the chart to the monitor 2.
9.2.2. Color Reproduction TEST CONDITIONS Refer to “Measurement Conditions” MEASURING SYSTEM System 1 PROCEDURE: 1 . Shoot the color bar chart and zoom WIDE or TELE to fit the ch art to the monitor. 2. Measure the color amplitude and color phase on the vector scope of Red, Blue, and Yellow.
TEST CONDITIONS Refer to “Measurement Conditions” MEASURING SYSTEM System 1 PROCEDURE: 9.2.4. Horizontal Resolution 1. Shoot the resolution chart and zoom WIDE or TELE to fit the ch art to the monitor. 2. Adjust the brightness and contrast of the B/W monitor so that each step of the gray scale portion of the chart can be observed.
10. Contact Information For technical assistance with this prod uct, please contact the supplier from whom the product was purcha sed. Distributed by: Hitachi Kokus a i Electric America Ltd .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Hitachi vl-21a è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Hitachi vl-21a - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hitachi vl-21a imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hitachi vl-21a ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hitachi vl-21a, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Hitachi vl-21a.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hitachi vl-21a. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hitachi vl-21a insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.