Quantum Data 701A Manuale utente
700A Series
Portable Video
Test Generators
Quick Start Guide
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2
Model 700A, 701A Video Test Generators
Quick Start Guide
Contents
Getting Started.....................................................................................................................................................3
Computer Interfaces ..........................................................................................................................................4
User Interface........................................................................................................................................................5
Selecting Formats ...............................................................................................................................................6
Selecting Images .................................................................................................................................................7
Gating Outputs ....................................................................................................................................................7
Setting Power Save Preferences ....................................................................................................................8
Calibrating Generator ........................................................................................................................................9
Adjusting Horizontal Scan Frequency ......................................................................................................11
Detecting Formats Supported by a Monitor.......................................................................................... 12
Using Test Sequences ..................................................................................................................................... 13
Testing Audio..................................................................................................................................................... 15
Testing HDCP Interfaces ................................................................................................................................ 15
Generating Psuedo Random Noise............................................................................................................ 16
Using Video Generator Manager ................................................................................................................17
Creating Video Formats.................................................................................................................................. 18
Modifying Test Sequence .............................................................................................................................. 19
Pattern Descriptions........................................................................................................................................ 20
Updating Firmware.......................................................................................................................................... 24
Specications..................................................................................................................................................... 25
Service and Support Contacts .................................................................................................................... 26
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Getting Started
Using AC Power
Use only the AC adaptor provided with the generator to avoid operator injury and damage to the gen-
erator.
Using Battery Power
The generator uses six AA rechargeable nickel metal hydride (NiMH) batteries, which can be recharged
about 1000 times.
You may use alkaline batteries instead, but not while the AC charger is connected to the generator. Only
NiMH batteries can be safely recharged in the generator.
All batteries in the generator must be the same type.
The supplied batteries may not come fully charged. Use the supplied AC charger to charge the batteries
for at least 18 hours. The AC adaptor may be used to operate the generator and to recharge the batter-
ies at the same time.
With fully charged batteries, the generator should operate for about 8 hours using VESA mode. Using
the LCD backlight, DVI, NTSC/PAL, or RF features will reduce the battery life. The generator displays a
low battery message when the NiMH batteries need recharging, or when the alkaline batteries need to
be replaced.
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Computer Interfaces
DVI interface on 700A
outputs analog signals
only, using included
DVI-to-VGA adaptor.
(Active on 701A only)
SDI/HD-SDI
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User Interface
LCD Display
The LCD window displays messages and menu options.
Function Buttons
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Selecting Formats
Viewing Formats by Signal Type
Press the Signal Type button, and then select a signal type, to list formats based on the selected signal
type.
VESA Red, green, blue component color video
per VESA standards. (DVI-to-VGA adaptor
used for outputs.)
NTSC/PAL Composite color baseband video
signal (BNC connector) and Separate Lu-
minance and Chrominance video signals
(S-Video connector) or RGB component video per NTSC and PAL standards.
Names of formats using modulated RF output end with _Cnn, where nn is the NTSC-M or PAL-G
television channel used.
HDTV/SDTV-RGB Luminance plus color difference signals per HDTV standards
HDTV RGB RGB component color video signals per HDTV standards
HD/SDI Digital video signals (701A only)
USER User-dened formats, of any type, stored in non-volatile memory
Selecting Formats
Press the Format button to select from a list of video formats of the type selected from the Signal Type
menu.
Reloading Standard Formats
If you modify or delete standard formats, you can restore the original formats by reloading the standard
formats.
To reload the standard formats:
1. Select Options > Clr_Fmts to delete all formats, including user-created formats.
2. Select Options > Reload Fmts to restore the standard formats to their original memory locations.
The standard formats will replace any user-created formats in the original memory locations. User-
created formats in locations not previously occupied by a standard formats will not be replaced.
HD/SDI
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Selecting Images
Gating Outputs
Press the Gating button to gate outputs, and to switch sync types.
Note: Color gating works for all images except Ramp.
Selecting Images
Press the Image button to select from list of available test images (patterns).
You cannot modify the images, or add your own
images.
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Options Menu
Press the Options button to set system-level options.
Setting Power Save Preferences
Hot Plug:In
Setting Power Save Preference
When the Power Save preference is on, and the generator is on battery power, the generator will turn
off after 30 minutes of no front panel activity.
If the generator is running a test sequence in Burn-in mode, the Power Save preference is ignored.
To set the Power Save preference, select Options > Pwr Save.
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Calibrating
Model 700A and 701A generators use programmable hardware to set the amplitude calibration factors
for analog video outputs. These calibration factors are stored in Flash EPROM, and are not lost if the
batteries are run down or removed.
Quantum Data calibrates the analog video and sync output amplitudes in new generators to published
specications. You can recalibrate these amplitudes over a nominal range to meet your specic testing
conditions.
WARNING: Recalling the original factory calibration settings is not possible after saving
your own settings.
Equipment Needed for Calibration
•DC voltmeter capable of measuring from 0 to 1 volt with a minimum resolution of 2 millivolts
•Precision 75 ohm (+/- 1%) input terminator for the voltmeter
•Test cable to connect the voltmeter to the R, G, B and ground pins on the VGA connector
•Oscilloscope with a precision 75 ohm (+/- 1%) input impedance and suitable gain and bandwidth to
display a 1.00 Volt pk-pk signal with 3.579 MHz color carrier
•75 ohm coaxial cable to connect the oscilloscope to the BNC TV output
•Vector scope
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Calibrating
Calibrating Outputs
1. Select Options > Calibrate > Reset to set the generator’s calibra-
tion factors to default nominal values.
2. Press Options > Calibrate > Full Scale.
3. Set the voltmeter’s scale factor to be able to measure a nominal
1000 millivolts DC.
4. Using a VGA-to-BNC cable, connect the generator’s red output to
the positive input on the voltmeter, with a 75 ohm (+/- 1%) input
terminator. Connect the negative lead of the meter to any ground
pin.
5. Select R_FS+ or -R_FS to set the DC output level to 1000 mV
+/- 3 mV.
6. Repeat steps 4 and 5 for the green and blue outputs.
7. Select Save.
8. Select Options > Calibrate > Zero.
9. Connect the red output to the positive input of the voltmeter.
10. Select R_Zero+ or -R_Zero to set the DC output level to 0 mV +/- 3 mV.
11. Repeat steps 9 and 10 for the green and blue components.
12. Select Save.
13. Select Options > NTSC_CAL.
14. Adjust the oscilloscope’s timebase and sweep trigger to view the entire waveform. Adjust the G_
NTSC so that its chrominance is 100 IRE or 714mV.
15. Using a vector scope, use the R_NTSC and B_NTSC options to adjust the red and green outputs
using so that their signals align with the 2% boxes.
16. Press Save.
Note: The modulated RF output does not have any calibration settings.
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