The TEKTRONIX 1730-Series is an 8-1/2-inch wide by 5-1/4-inch high waveform monitor, weighing approximately 8 pounds. The 1730 (System M, NTSC) and the 1731 (System I, B, etc., PAL, PAL-M), and the 1735 (dual-stan- dard) versions can be powered from an ac source or, with the addition of a field upgrade kit (1700F10), 12 Vdc. The CRT occupies approximately two-thirds of the front-panel area, with the control panel taking up the remainder of the space.An RGB or YRGB Parade display, for camera setup, is accommodated with a shortened sweep. The input of the camera signal and an enable are through the rear-panel REMOTE jack. The choice of 3-step (RGB) or 4-step (YRGB) is made by changing the position of an internal jumper. The 1730-Series has a unique Store and Recall function built in that allows for the storing of up to four front-panel setups that can be recalled by pressing the appropriate recall button, or a ground closure through the rear-panel REMOTE connector. In addition, four factory-programmed measurement setups can be accessed, by external ground closures input through the REMOTE connector. An auxiliary output, to control a companion 1720-Series Vectorscope, is provided through a rear-panel connector. The auxiliary output contains a bus for two-way communications between the waveform monitor and vectorscope microprocessors and a strobe to provide line select unblanking for the Vectorscope. Operation is controlled by a microprocessor that polls the front-panel switches and remote ground closures. Front-panel switches are of the momentary touch type with lighted functional indicators. Most of the switches are also used to select special functions, which are accessed by holding the switches in until the microprocessor recognizes the request. The signal is displayed on a bright CRT capable of displaying one line per frame. It is of the mesh type, for better geometry, and uses an internal graticule to reduce parallax. Variable graticule scale illumination provides even lighting to improve measurement accuracy and the quality of waveform pictures. Option 74 provides a P4 (white) phosphor tube. The Channel A and B Composite Video Inputs and the External Reference Signal Input are high impedance bridging loop-throughs, in order to protect the integrity of the signal paths. The input switching allows for the display of either Channel A or Channel B Input or both inputs. Synchronization can be either internal or external, with the further choices of using remote sync or 90 or 100 Hz synchronization, from a VTR, where the application warrants. The 1730-Series offers a choice of three basic sweep rates: 2 Field, 2 Line, and 1 Line, each of which can be magnified to provide three additional sweep rates: 1 ms (2 Line), 0.2 ms (1 Line), and X25 (2 Field) which provides for viewing the complete vertical interval. In addition, there is full frame line selection that can be displayed as 1 line, 2 lines, or 15 lines. A bright-up pulse, for picture monitors, that corresponds to the intensified region on the CRT display, is available through a rear-panel bnc connector. The vertical signal processing provides a choice of fast or slow dc restoration, or an unclamped display. The input signal can be unfiltered (Flat) or either Low Pass or Chrominance filtered. There is also a combination of Flat and Low Pass filtering available when a 2 Line or 2 Field sweep rate is employed; the display consists of one line or field low pass filtered while the second is unfiltered. Vertical amplitudes can be displayed in a calibrated gain mode, which corre- sponds directly with the graticule vertical scales, magnified 5 times, or can be set to a specific amplitude by using the Variable GAIN control. An RGB or YRGB Parade display, for camera setup, is accommodated with a shortened sweep. The input of the camera signal and an enable are through the rear-panel REMOTE jack. The choice of 3-step (RGB) or 4-step (YRGB) is made by changing the position of an internal jumper. The 1730-Series has a unique Store and Recall function built in that allows for the storing of up to four front-panel setups that can be recalled by pressing the appropriate recall button, or a ground closure through the rear-panel REMOTE connector. In addition, four factory-programmed measurement setups can be accessed, by external ground closures input through the REMOTE connector. An auxiliary output, to control a companion 1720-Series Vectorscope, is provided through a rear-panel connector. The auxiliary output contains a bus for two-way communications between the waveform monitor and vectorscope microprocessors and a strobe to provide line select unblanking for the Vectorscope.