This is a small battery (CR2032) video tester / signal generator made specifically for testing arcade monitor. It is smaller than half a credit card, and can be easily carried around in your pocket for on the go testing.

The tester supports the common 15kHz standard resolution, as well as the 24kHz medium resolution and 31kHz high resolution arcade modes. All possible sync outputs are available, including separate horizontal and vertical syncs, and combined (composite) syncs. Each of these are available with positive and negative polarities for a total of 6 different sync options.

Here are some of the features of the Arcade Monitor Tester:

Battery Operated – about 3 hours battery life on a good quality CR2032 (depending on the pattern / type of use / monitor)

Generates the following video and sync signals:
  • RGB and SYNC at 3V-pp
  • Positive HSYNC
  • Negative HSYNC
  • Positive VSYNC
  • Negative VSYNC
  • Positive CSYNC
  • Negative CSYNC – typically used (JAMMA standard, etc)
Generates following arcade video modes:
  • 15kHz – standard arcade resolution for most monitors
  • 24kHz – medium resolution arcade video mode
  • 31kHZ – high resolution mode supported by newer chassis
Generates the following tests in each mode:
  • Text – for raster direction / yoke polarity
  • Color Grids Primary Colors – for color check and adjustment
  • Color Grids Primary and Secondary Colors – for color check and adjustment
  • Checkerboard – for geometry and convergence checks, white / black level / saturation
  • Grid - for geometry checks
  • Convergence Grid -  for convergence checks
  • Pong - streaking test
  • Hollow / Filled Box – for bloom artifact check
  • Moving Crosshairs - geometry distortion check
  • Vertical Primary Color Bars – for color check and adjustment
  • Vertical Secondary Color Bars – for color check and adjustment
  • Vertical Tertiary Color Bars – for color check and adjustment
  • Scrolling Horizontal Color Bars – bloom and color uniformity
  • Solid Full Screen White – for burn in and degaussing
  • Solid Full Screen Red – for burn in and degaussing
  • Solid Full Screen Green – for burn in and degaussing
  • Solid Full Screen Blue – for burn in and degaussing
  • Alternating Color Grid - color transitions / color saturation test
  • Alternating Full Screen Color – burn in, degaussing, color transitions
  • Random Color Grid - stability testing, demo mode, etc...
Battery life indicator shows battery status through MODE LED.
  • LED always on – full battery
  • Duration of on/off cycle indicates battery depletion level
  • 50% off/on blink – nearly dead
To operate the tester, use the optional RGB+Ground clips / cable to connect the tester to your monitor’s input posts. Use the secondary sync plug to select the desired sync signal and connect that probe to the monitor as well. Turn the tester and monitor on.

Press the MODE button to cycle through the available video modes, and TEST to cycle through the tests.

Important: Even though the tester is battery powered and isolated from ground, the monitor should always be powered via an isolation transformer. Failure to do so may result in shock or damage to the monitor and tester.

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