User manual TEKTRONIX WFM-90

[. . . ] User Manual WFM 90 & WFM 91 Handheld Waveform, Vector, Picture, & Audio Monitor 070-8968-05 This document supports firmware version 1. 00 and above. Copyright © Tektronix, Inc. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. [. . . ] Select MAG OFF from the menu and center the waveform on the display. Enter the Configuration menu and select the INPUT category. Notice that there is a menu selection which allows you to change the DC restorer speed between FAST and SLOW. WFM 90 & WFM 91 User Manual 2­13 Operation Basics: Tutorial Signal Reference. Press the Bezel Button below the menu selection labeled REF. Notice that EXT is highlighted and that EXT REF appears in the on-screen readout. Remove the cable from the EXT REF input and notice that the waveform free-runs and that the message MISSING SYNC appears in the on-screen readout. Press the LINE SEL button to enter the Line Select mode. Notice that the selected line number (Line 17) is displayed in the bar over the right two Bezel Buttons and that it is being displayed from ALL video fields. Line 17 is displayed on the left, with Line 18 displayed on the right in the two-line sweep. Use the Bezel Buttons to select Line 30 for display. Press the MENU button to enter the Operating menu and select 2F SWEEP. Notice that the selected line is highlighted in both field displays. Press the LINE SEL button to return to the Line Select menu. Press the left Bezel Button to select 1 OF 2 FIELDS. Notice that an additional menu selection of ALT FIELD appears, that the line number display now includes the field number, and that the selected line is now highlighted in only the left field display. Press the ALT FIELD Bezel Button and notice that the field number readout changes and that the highlight bar in the waveform toggles between the two fields. Turn off the Line Select mode by pressing the LINE SEL button. Enter the Operating menu and select 2H SWEEP. Enter the Configuration menu and select the VAR GAIN category. Select VAR GAIN ON and notice that a bar appears over the right two Bezel Buttons labeled VAR ADJUST and that the message GAIN UNCAL appears in the on-screen readout. Press one of the right two Bezel Buttons just once. Notice that the Configuration menu category list over the left Bezel Button has been replaced with a single label of CONFIG to provide full viewing of the waveform, and that Up/Down arrows appear in the bar over the right two Bezel Buttons signifying that they are enabled to adjust the signal gain. [. . . ] REQ: Installation Category I (as defined in IEC 1010-1, Annex J). REF: Rated for indoor use only. Pollution Degree Vibration ­ Operating REQ: Pollution Degree 2 (as defined in IEC 1010-1). REF: 15 minutes each axis at 0. 015 inch, frequency varied from 10­55­10 Hz in 1-minute cycles with instrument secured to vibration platform. Ten minutes each axis at any resonant point or at 55 Hz if no resonant point is found. Shock ­ Non-Operating Transportation Humidity REF: 100 g's, 1/2 sine, 11 ms duration, 3 shocks per surface (18 total). REF: Qualified under NTSC Test Proce- dure 1A, Category II (24-inch drop). REF: Will operate at 95% relative humidity for up to five days. Meets the five-day cycling humidity test as called out in Tektronix standard 062-2847-00. WFM 90 & WFM 91 User Manual A­9 Appendix A: Performance Specification A-9. [. . . ]