Bk-precision 1249B - Datasheet Manual de usuario
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Accessories
74
1211E
1249B
Model 1249B
NTSC Generator with RGB
The 1249B is ideal for comprehensive testing,
servicing and adjustment of video and televi-
sion equipment, television receivers, video tape
recorders, video monitors, closed circuit televi-
sion systems and components, and master
antenna systems and components.
■ NTSC color bar pattern, ±5 and
±5 IEEE units
■ CH 3, CH 4, and IF outputs
crystal controlled
■ Calibrated 1Vp-p or variable
composite video output
■ RGB outputs on BNC or 9-pin
D connector
■ Composite sync, vertical sync,
and horizontal sync outputs
■ Interlaced or progressive scan
■ 30 Hz signal is provided for
isolation of servo problems in VCR’s
Model 1211E
Portable NTSC Pattern
Generator with S-Video,
Composite Video and
RF outputs
This handheld NTSC Pattern Generator is
powered by a 9 volt battery or AC adapter
providing NTSC color bars, crosshatch, dot,
staircase, circle, center cross, windows, and
a full range of color raster patterns. The out-
puts available are composite video via RCA
connector, a RF output BNC connector, or an
S-Video mini-DIN output. Signals can be pro-
duced as an interlaced or progressive scanning
mode.
■ S-Video, composite video,
RF output
■ Interlace or progressive scanning
system
■ 9VDC battery (included)
■ AC adapter available
Color Bars White (75% or 100%, switch selectable) White, Yellow, Cyan, Green,
Yellow, Cyan, Green, Magenta, Red, Magenta, Red, Blue, and Black
Blue, Black (7.5% set-up)
Chroma Switch Selectable Auto/Manual
Accuracy ±5˚ and ±5 IEEE
Staircase COLOR OFF obtains staircase Linear staircase signal with 5 equal
from color bars steps from black to white
Rasters Black White, Red, Green, Blue, Yellow,
Cyan, Magenta, and Black
Window Does not apply White window on black background
Convergence Center dot 15 vertical x 11 horizontal
7x11 dots white dots on black raster
7x11 crosshatch white lines on black raster
Center Cross Centering Box on screen
Circle with 1x1 crosshatch
RF Output Channels: CH 3, CH 4, IF. CH3 = 61.25MHz, crystal controlled
61.25, 67.25, 45.75 MHz±0.008 MHz
Level 10 mV rms minimum into 75Ω
Impedance 75Ω 75Ω
Stability 50 ppm.
S-Video Does not apply Chrominance Output: 0.75V
p-p into 75Ω
Luminance plus Sync Output:
1V p-p into 75Ω
Composite Video 1V p-p into 75Ω 1.2V p-p into 75Ω
Negative or positive polarity sync available
Amplitude Variable 0 to ±1.2V p-p into 75Ω
Calibrated 1V p-p position with negative sync.
Impedance 75 Ω
RGB Output
Patterns BNC and D-Type Sub-Miniature Connectors. Does not apply
convergence and color bars
Level TTL level and low level, (0.8±0.2V), switch selectable
Impedance 75Ω
Sound 4.5 MHz ±0.2% modulated by approximately
1 kHz audio tone, switch selectable
Sync Outputs
Composite NTSC-M TTL level; interlace for NTSC color bars Does not apply
and switch selectable interlace or progressive for
convergence patterns (negative polarity sync)
Horizontal TTL level (Positive polarity sync.)
Vertical TTL level (Positive polarity sync.)
Impedance 75Ω
Color Subcarrier NTSC signal: 3.579545 MHz (+50Hz)
Power Source 105 to 130VAC, 60Hz, 8W 9V battery or AC Adapter (not included)
(9V DC, 100mA 5.5mm x 2.5mm center pin)
Operating Temperature 32˚ to 122˚F (0˚to +50˚C)
Dimensions 3.39 x 10.39 x 11.42" (86 x 264 x 290mm) 1.5 x 3.8 x 5.7" (38 x 97 x 145mm)
Weight 2.8 lbs (1.3kg) 9.6oz. (272g)
Specifications
models
1249B 1211E
SUPPLIED: instruction Manual, 9V battery (1211E)
OPTIONAL: BE-12 AC adapter
One Year Warranty
1
Indice de contenidos
Pagina 1 - Specifications
Accessories741211E1249BModel 1249BNTSC Generator with RGBThe 1249B is ideal for comprehensive testing,servicing and adjustment of video and televi-sio
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