1249B B&K Precision, 1249B Datasheet - Page 24

• Manufacturer Part Number: 1249B
• Description: COLOR GENERATORNTSC/RGB
• Manufacturer: B&K Precision
• Type: NTSC Benchtopr

Specifications of 1249B

• Patterns: Bar, Dot, Crosshatch, Raster
• Connection Method: RCA, RF, S-Video
• Power Source: 105,130VAC
• Signal Generator Type: NTSC Pattern
• Supply Voltage Range: 105V To 130V
• External Height: 86mm
• External Width: 290mm
• External Depth: 264mm
• Frequency: 30 Hz
• Equipment Type: NTSC Pattern Generators
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na
• Other names: BK1249B

OPERATING INSTRUCTIONS (CONT.)
1. Perform the "INITIAL SET-UP" procedure.
2. Press the N T S C BARS switch and the COLOR OFF
3. A monochrome bars (staircase) display with progressively
1.
2.
3.
STAIRCASE PATTERN
COLOR BARS WITH 100% WHITE
1. Perform the "INITIAL SET-UP" procedure.
NTSC STANDARD COLOR BAR PATTERN
c.
d.
switches.
darker shades of grey should now be displayed (with the
lightest baron the left side of the screen and the darkest on the
right side of screen) on the screen.
OFF and 4.5MHz switches are released.
screen.
Perform the "INITIAL SET-UP" procedure.
Press the NTSC BARS switch. Be sure that the COLOR
The NTSC Color Bar pattern should now be displayed on the
A calibrated 1Vp-p signal level with negative sync
polarity is available when the COMPOSITE VIDEO
LEVEL control is fully counterclockwise to the CAL
position.
Patterns may now be selected.
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2.
3.
STAIRCASE WITH 100% WHITE
1. Perform the "INITIAL SET-UP" procedure.
2. Any of the four convergence patterns may be selected by
1. Perform the "INITIAL SET-UP" procedure.
2. Release all of the pattern selection switches (the four
3. A monochrome bars display with progressively darker
CONVERGENCE PATTERNS
black pushbuttons) by slightly depressing one of them.
Make sure that the COLOR OFF switch is disengaged.
left side of the screen should now be displayed.
Release all of the pattern selection switches (the four
A color bars pattern with 100% white color bar on the
black pushbuttons) by slightly depressing one of them.
Make sure that the COLOR OFF switch is engaged.
shades of grey (left to right) should now be displayed
on the screen. The left most bar will be I00% white.
pressing the appropriate switch(es) as follows: