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Фрагмент инструкции
2- 5 Connecting Audio Outputs ................................................ 2- 5 Output 1 ................................................................................. 2- 5 Output 2 ................................................................................. 2- 6 Output 3 ................................................................................. 2- 6 Menus, Configuration, and Adjustments................... 2- 6 Moving through menus by using front panel controls ......... 2- 6 Default menu......................................................................... 2- 7 Main menus............................................................................ 2- 8 Test Pattern Setup menu ...................................................... 2- 8 Grayscale submenu ................................................................ 2- 9 White field submenu ............................................................. 2- 9 Audio Setup menu ................................................................. 2- 9 Audio units submenu (Units) ................................................ 2- 9 Output 3 submenu .............................................................. 2-10 Video Setup menu ............................................................... 2- 10 HD15 Video format submenu (HD15 Format) .................... 2-10 RGB Sync format submenu (RGB Sync Fmt) ....................... 2-11 Raster border submenu (RasterBorder) .... ........................... 2-11 Advanced Setup menu......................................................... 2- 11 Power off timer submenu (PwrOff Timer) .......................... 2-11 Screen saver timer submenu (ScrSvr Timer) ........................ 2-12 Screen saver mode submenu (ScrSvr Mode) ....................... 2-12 Enable at power up submenu (................. 2-13 Backlight submenu (BackLight) .......................................... 2-13 Unit Reset submenu (Press & Hold) ..................................... 2-14 Exit menu ............................................................................. 2- 14 Additional Functions.......................................................... 2- 15 Low Battery mode ............................................................... 2- 15 VTG 300/ Table of Contents, cont’d Button Lock mode ................................................................ 2-15 Audio Testing Features ..................................................... 2-17 Selecting audio signals ......................................................... 2-17 Setting the audio level......................................................... 2-17 Setting the audio frequency................................................ 2-18 Video Testing Features ..................................................... 2-19 Selecting a video test pattern ............................................. 2-21 Setting a signal range.......................................................... 2-22 Setting the scan rate ........................................................... 2-22 Installing the VTG 300 Batteries ................................. 2-23 Conserving the VTG 300 Battery Life ........................ 2-24 Recharging the VTG 300R ................................................ 2-25 Installing the Protective Boot....................................... 2-25 Appendix A • Specifications and Part Numbers ..... A- 1 Specifications ......................................................................... A- 2 Included Parts ......................................................................... A- 5 All trademarks mentioned in this manual are the properties of their respective owners. 68-737-01 Rev. D 06 06 VTG 300/ VTG 300/300R Video Test Generator 1 Chapter One Introduction About the VTG 300/300R Features Introduction About the VTG 300/300R VTG 300/300R Video Test Generator The Extron VTG 300/300R is a portable, hand-held video and audio test generator. The VTG 300R features an integrated battery pack and charger, otherwise both models offer the same functions and features. Both models are herein referred to as the “VTG” throughout this manual. Also, “VTG” and “video test generator” will be used interchangeably. The VTG will generate video signals for computer, standard resolution video, HDTV, and 16:9 high resolution output rates. The composite video format conforms to the SMPTE 170M video standard. There are also six test pattern categories available for optimizing the display output: crosshatch, H pattern, color bars, grayscale, alternating pixels/multiburst, and white field. For audio signals, the VTG offers basic audio test signals including sine and square waves, pink noise, white noise, polarity testing, and a frequency sweep from 20 Hz to 20 kHz. Video output connectors include BNC, 4-pin mini DIN, and 15-pin HD connectors. Audio output is provided through RCA, 3-pin XLR, and 3.5 mm phone jack connectors. The VTG 300 is powered by the included external power supply or four...