TEK TSG 90 User
Contents
1. G P W o E Gi r 9 OO OO OO OO OG The PATHFINDER provides character ID capability as well stor ing up to eight messages consisting of two 16 character lines of text Any one of these text messages may be inserted into the video test signal or up to four of them may be cycled in a continuous loop displaying for 1 to 9 seconds each in any order These mes sages may be displayed anywhere in the safe action area of the pic TSG 90 PATHFINDER User Manual Operating Basics ture or the first line of the message may be moved into the vertical interval In addition to the eight text messages the PATHFINDER can also store as many as four complete front panel configurations user presets which can include menu selections text messages and tone and cycle information You may power the PATHFINDER with the standard AC adapter the optional 9 6 V NiCad battery pack or with eight standard AA batteries AA batteries are not supplied with the instrument m Remember that attempting to operate the TSG 90 with an im proper AC adapter can result in permanent damage to the instrument USE AN APPROPRIATE DC POWER SOURCE ONLY Voltage must be 9 to 15 VDC the connector must have the NEGATIVE contact in the center and open circuit voltage of the power source must not exceed 18 VDC For best results use the AC adapter that is supplied with the instrument m The optional NiCad batte2. 9 514 3 l 1 00758857 i 1 I poa 2571 I I i SEM 128 6 I I 1 i i 0 0 ao 1 l l l 1 1 I 11 I 1 I I 1 I 1 1 11 1 1 i I 1 l 1 I IN A 1 i 7 f 1 I 11 I 1 1 i 1 1 N 1 1 1 11 1 1 l 1 1 1 1 1 1 11 285 7 i I I I 1 1 i 11 I 1 1 i 1 1 l 1 l 1 li H t us 90 12 0 300 340 42 0 46 0 490 550 61 0163 6 36 0 52 0 580 61 8 Figure 2 NTC7 Composite 12 TSG 90 PATHFINDER User Manual Appendix A Characteristics Table 7 NTC7 Combination Characteristic Nominal Value Muitiburst Bar Anplitude 714 3 MY 100 IRE Packet Arrplitude 357 2 nV 50 IRE peak to peak Pedestal 357 2 nV 50 IRE Burst Frequencies O 5 1 0 2 0 3 0 3 58 and 4 2 MHz Modulated Pedestal Pedestal Anplitude 357 2 nV 50 IRE Chroma Amplitudes 142 8 285 7 571 4 nV 20 40 80 IRE Rise Time 400 ns 7143 7 my A Mite Mile Me MHz Miz 535 7 BER prosa eee I I I 1786 Le t i A bog dedo DT 6 ETAP IE 3j m KE Xo qc te AE AL JE q LE wr od SE eni u 00 CR I Il Low Tite TUL bdb ALA exe o I rl Boo fd Pie 340p GA dE sy i i iI DI cd 44 ii e Uo qq t I i I i i AL mae Tin le Met Lie i bg jV ge ee VE Wu M i h oq dele Eu quU ae JI 285 7 fog Lp e ae OL 4 05 i I n jp Al IE ej JL bd 1 tt HH HH HH 144 us 0 0 12 0 18 0 24 0 280 320 360 40 0 46 0 50 0 540 60 0 63 6 16 0 219 269 310 350 387 429 61 9 Figure 3 NTC7 Combi
3. 9 8 61 8 Figure 10 50 IRE Flat Field 714 3 mV us 00 63 6 Figure 11 0 IRE No Burst 18 TSG 90 PATHFINDER User Manual Appendix A Characteristics 714 3 mV 53 6 0 0 I I I I I I I I I I 285 7 i i 4 us 00 9 6 61 8 63 6 Figure 12 Black Burst 285 7 Figure 13 SINX X TSG 90 PATHFINDER User Manual 19 Appendix A Characteristics a Horizontal Component 714 3 mV 549 3 0 0 285 7 714 3 mV 0 0 285 7 a Vertical Component Convergence Signal Components Figure 14 Lines 8 a o Oo o z NTC7 Combination Color Bars 50 IRE Flat Field Figure 15 Matrix TSG 90 PATHFINDER User Manual 20 Appendix A Characteristics 714 3 mV BAG 2 gt 0 0 285 7 i I I I l us 0 0 20 1 35 7 51 3 63 6 Lines 33 45 238 and 250 7143 mV 5491 i i i l i i 285 7 i us 0 0 12 3 Lines 69 132 and 149 213 7143 mV 5491 0 0 fh ik i i i i l l i i i i 285 7 us 00 12 3 35 7 Lines 133 140 and 142 148 Figure 16 Safe Area Signal Components TSG 90 PATHFINDER User Manual 21 Appendix A Characteristics l l NE ion l l mE AM 285 7 I I us 0 0 34 4 37 1 63 6 Line 141 7143 mV 285 7 us 0 0 63 6 All remaining lines S
4. G 5 Step H Red Field I Field Square Wave J 50 IRE Flat Field K 0 IRE No Burst L Black Burst M SIN X X N Convergence O Matrix P Safe Area Option 1J Direct Signal Selection List SN B021565 and Above A SMPTE Bars B 75 Bars C SNG Bars D Multiburst E NTC7 Composite F NTC7 Combination G FCC Composite H 5 Step I Red Field J Field Square Wave K 50 IRE Flat Field L Black Burst M SIN X X N Convergence O Matrix P Safe Area Rev Mar 1994 TSG 90 PATHFINDER User Manual Operating Basics ID On Off and ID Menu The ID On Off button toggles the character ID messages captions on and off The LCD display will read ID off ID on for a single text ID message or ID cyc if cycle has been turned on in the ID Menu The ID Menu is accessed by press ing the Shift button before pressing the ID On Off button The ID Menu allows the ID cycle to be turned on or off sets the display time for the captions and selects which of the stored ID messages to cycle in what order ID Edit and ID Position Pressing the ID Edit button enters a mode where the current ID text can be edited Editing occurs off line in an edit buffer so any displayed messages are not affected When finished editing pressing the Enter button saves the ID from the edit buffer as the current ID and the new text is inserted into the Video signal unless the ID cycle function is in use The ID Position mode Shift ID Edit allows positioning of the message on sc
5. INDER User Manual 27 Appendix C User Service 1 Auto power down use the left lt q or right gt arrow key to toggle between enabled and disabled 2 Battery type use the left lt q or right p gt arrow key to toggle between disposable or rechargeable 3 Factory Reset press the Enter button to reset the instrument to the factory defaults WARNING All user selections will be lost 4 LCD Diagnostic press the 4 key to turn all segments on and press the gt key to turn all segments off 5 Tone LVLO used in setting the 0 dBu tone level See the Service manual Tektronix p n 070 8706 00 for the audio amplitude adjustment procedure 6 Tone LVL4 used in setting the 4 dBu tone level See the Service manual for the audio amplitude adjustment procedure 7 Tone LVL8 used in setting the 8 dBu tone level See the Service manual for the audio amplitude adjustment procedure Preventive Maintenance ZA 28 Under average conditions the PATHFINDER should receive pre ventive maintenance every 2000 hours This is approximately one year of operation Preventive maintenance includes cleaning visual inspection a performance check and if necessary calibration See the Service manual for performance verification and adjustment procedures CAUTION The PATHFINDER case is made of molded plastic Do not allow water to get inside of any enclosed assembly or compo nent Do not clean any plastic materials with organic c
6. OQ X Figure 13 page 19 Spectrum 3 dB at 4 75 MHz Convergence Figure 14 page 20 14 Horizontal lines 17 Vertical lines Matrix Figure 15 page 20 Line numbers in the figure are indusive Safe Area Figure 16 page 21 Safe action area indicated by lines 33 and 250 Safe title area indicated by lines 45 and 238 SNG Bars Figure 17 page 23 Opt 1 only Lines 21 163 Lines 164 198 Lines 199 209 Lines 210 262 SN BO21565 and above Rev Mar 1994 TSG 90 PATHFINDER User Manual 15 30 IRE Flat Field Color Bars of O Setup SMPTE Color Bars IYOB of O Setup SMPTE Color Bars 30 IRE Flat Field Appendix A Characteristics 714 3 mV 549 1 0 0 285 7 714 3 mV 549 1 T mmmmm HI 285 7 I I I I I I I I 7 I I 1 I I i I I i I I I I I I I I I us 0 0 9 4 17 0 24 5 32 0 39 5 47 0 5 b Reverse Blue Bars lines 183 202 714 3 mV 285 7 c IYQB for SMPTE Bars lines 203 262 Figure 5 SMPTE Color Bar Signal Components 16 TSG 90 PATHFINDER User Manual Appendix A Characteristics 285 7 285 7 Figure 7 5 Step Staircase Gray Scale 714 3 mV 5151 201 7 285 7 Figure 8 Red Field TSG 90 PATHFINDER User Manual 17 Appendix A Characteristics 285 7 us 00 9 6 61 8 63 6 Figure 9 Field Square Wave 714 3 mV 357 2 285 7 us 0 0
7. PATHFINDER User Manual Appendix A Characteristics Table 4 Audio Tone Output Characteristic Information Amplitude O 4 or 48 dBu 25 dBu into 600 2 Frequencies 50 63 125 250 and 400 Hz 1 2 4 8 10 12 5 16 and 20 kHz 0 5 Hz Sweep Sweep 1 kHz for 5 s followed by 0 5 s at each of the following frequencies 50 63 80 100 125 160 200 250 315 400 500 630 and 800 Hz then 1 1 25 1 6 2 2 5 3 15 4 5 6 3 8 10 12 4 16 and 20 kHz Table 5 Multiburst Test Signal Characteristic Amplitudes White Bar 500 mV 70 IRE Packets 428 6 nV 60 IRE peak to peak Pedestal 285 7 nV 40 IRE Burst Frequencies 0 5 1 0 2 0 3 0 3 58 and 4 2 MHz Packet Rise Times 0 5 MHz 140 ns typical All others 400 ns typical mV 500 1 0 2 0 3 0 3 58 4 2 kHz MHz MHz MHz MHz MHz 500 0 285 7 71 4 0 0 285 7 us 00 9 4 139 18 1 25 4 32 4 39 4 46 4 53 4 60 4 63 6 19 5 26 5 33 5 40 5 47 5 54 5 61 9 Figure 1 Multiburst TSG 90 PATHFINDER User Manual 11 Appendix A Characteristics Table 6 NTC7 Composite Characteristic Nominal Value Bar Anplitude 714 3 nV 100 IRE Rise tirre 125 ns t25rs 2T Puse Anplitude 714 3 nV 100 IRE HAD 250 ns Amplitude 714 3 nV 100 IRE HAD 1 563 us Modulated Phase 60 8 1 Modulated 5 Step Luminance Amplitude 642 9 nV 90 IRE Chroma Amplitude 285 7 nV 40 IRE peak to peak 7143 pense me mV 642
8. User Manual Tektronix Z TSG 90 PATHFINDER NTSC Signal Generator 070 8964 00 Please check for change information at the rear of this manual First Printing November 1993 Revised March 1994 Copyright Tektronix Inc 1992 1993 AII rights reserved Printed in U S A Tektronix products are covered by U S and for eign patents issued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges re served The following are registered trademarks TEKTRONIX and TEK For further information contact Tektronix Inc Corporate Offices P O 500 Beaverton Oregon 97077 Warranty Tektronix warrants that the TSG 90 PATHFINDER NTSC Signal Genera tor will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If this product proves defective during the warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtain service under this warranty Customer must notify Tek tronix of the defect before expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the ser vice center designated by Tektronix with shipping charges prepaid Tek troni
9. afe Area display Figure 16 cont Safe Area Signal Components 22 TSG 90 PATHFINDER User Manual Appendix A Characteristics LINES 30 IRE Flat Field SMPTE Color Bars 27 SMPTE IYOB 30 IRE Flat Field Figure 17 SNG Bars Option 1J only Rev Mar 1994 TSG 90 PATHFINDER User Manual 23 Appendix A Characteristics 24 TSG 90 PATHFINDER User Manual Appendix B Replaceable Parts The following Replaceable parts for the TSG 90 PATHFINDER are available through your local Tektronix Inc field office or represen tative It is important when ordering parts to include the following in formation in your order Part number instrument type and number instrument serial number and modification number if applicable Description Tektronix Part No Reference Card 063 1449 00 Service Manual Optional accessory 070 8706 00 Rechargeable Battery Pack Optional accessory 119 4488 00 Carrying Pouch 016 1229 00 AC Adapter 119 4538 00 Case Assembly Top 614 0915 00 Case Assembly Bottom 614 0913 00 Battery Door 200 4075 00 LCD Display 119 4506 00 Rear Panel Assembly 333 4065 00 Fuse 1 5A 125V 159 0153 00 TSG 90 PATHFINDER User Manual 25 Appendix B Replaceable Parts 26 TSG 90 PATHFINDER User Manual Appendix C User Service Battery Hints ZA For optimal battery life and capacity use the rechargeable NiCad battery pack Tektronix p n 119 4488 00 in full charge discharge cycles In other words fu
10. e see the TSG 90 Service Manual Table 1 Physical Data and Environmental Limits Characteristic Nominal Value Limits Height 5 6 am 2 2 in Width 91m 3 6in Depth 19 1 cm 7 5 in Weight without batteries 0 48 kg 1 06 Ib with battery pack 0 68 kg 1 5 Ib Temperature Limits Operating O to 450 C 32 to 4322 F Storage wo batteries 30 to 65 C 22 to 149 F Altitude Limits Operating to 4267 m 14 000 feet Storage to 15420 m 50 000 feet TSG 90 PATHFINDER User Manual Appendix A Characteristics Table 2 Power Requirements Battery Life Characteristic DC Input Voltage Range Polarity Typical Battery Life Alkaline Cells Rechargeable Pack Recharging Time Information 9to 15V NEGATIVE CENTER 10 to 16 hours 4to 6 hours Approxinately 16 hours completely discharged to fully charged Table 3 Test Signal Generator General Characteristics Characteristic Specification Lurrinance Accuracy 1 of 714 3 nV 100 IRE Rise Time Accuracy 10 unless specified Subcarrier Stability 3 579545 MHz 10 Hz 0 to 45 C Y C Gain 2 of 714 3 mV 100 IRE Y C Delay lt 15rs Frequency Response Flat within 2 to 4 2 MHz SCH Phase Accuracy ot 5 Differential Phase P Differential Gain 1 Line and Field Tilt lt 05 2T Puse K Factor lt 05 Blanking Level Onv 50mv Burst Anplitude 285 7 nV 40IRE 2 Sync Amplitude 285 7 nV 40 IRE 2 10 TSG 90
11. l incidental or conse quential damages irrespective of whether Tektronix or the vendor has advance notice of the possibility of such damages TSG 90 PATHFINDER User Manual i ii TSG 90 PATHFINDER User Manual Getting Started Operating Basics Controls barile det es Shift Shift Lock LOC OU sn Deere ele Bars and Other Signals ID On Off and ID Menu ID Edit and ID Position Tone On Off and Tone Menu Recall and Store Appendix A Characteristics Appendix B Replaceable Parts Appendix C User Service Battery Hints cibi The Diagnostic Menu Preventive Maintenance List of Figures Figure 1 Multiburst 96 500005 LP sise touts Figure 2 NTC7 Composite Figure 3 NTC7 Combination Figure 4 FCC Composite Figure 5 SMPTE Color Bar Signal Components Figure 6 75 Bafs ere paso Sue esta Figure 7 5 Step Staircase Gray cale Rev Mar 1994 TSG 90 PATHFINDER User Manual iii iv m D W M MJ A tn R R w 25 27 27 27 28 11 12 13 14 16 17 17 iii head a Figure 8 Red Field 17 Figu
12. leaning sol vents benzene toluene xylene acetone or similar compounds because they may damage the plastic TSG 90 PATHFINDER User Manual
13. lly discharge the battery pack before re charging and then charge the battery pack until fully charged approximately 16 hours A new battery pack will take a few charge discharge cycles to reach full capacity WARNING Install or replace batteries only with the instrument switched OFF and the AC adapter disconnected Replace the batteries only with standard AA batteries 1 2 1 5 V nominal or with a Tektronix rechargeable battery pack p n 119 4488 00 Setting the Battery Type and the Auto Power Down functions in the diagnostic menu also has an impact on battery life The battery types are disposable Alkaline or rechargeable NiCad Setting the battery type changes the voltage level that causes the battery low message to be displayed and also changes the cut off voltage for instrument operation The Auto Power Down function when enabled shuts the PATH FINDER off when there is no keypress for approximately 10 min utes to conserve battery life Auto Power Down is indicated when enabled by a rotating line in the upper right corner of the display The Diagnostic Menu To enter the diagnostic menu hold the Lock Out button down while turning the instrument on To exit the diagnostic menu and resume normal instrument operation press any of the rectangular buttons at the top of the keypad The diagnostic menu items are listed below Use the up A and down W arrow keys to move up and down the list TSG 90 PATHF
14. nation TSG 90 PATHFINDER User Manual 13 Appendix A Characteristics Table 8 FCC Composite Characteristic Nominal Value Bar Anplitude 714 3 nV 100 IRE Rise Tirre 250 ns 2T Puse Anplitude 714 3 nV 100 IRE HAD 250 ns Modulated Sir Pulse Anplitude 714 3 nV 100 IRE HAD 1 563 Hs Modulated Phase 60 8 1 Modulated 5 Step Luminance Amplitude 571 4 mV 80 IRE Chroma Amplitude 285 7 nV 40 IRE peak to peak 7143 7 mV BALA ese 523252555255 AST spere SE Pa Ra 3429 L 2286 i 114 3 t AE i 0 0 1 1 eu ers 285 7 AN tou a i Yo det Fog i i us 0 0 9 8 13 7 16 7 227 28 8 35 9 43 8 63 6 19 7 25 7 31 8 39 2 61 8 Figure 4 FCC Composite 14 TSG 90 PATHFINDER User Manual Appendix A Characteristics Table 9 Remaining Test Signals Signal Comments SMPTE Bars Figure 5 page 16 75 Color Bars Figure 6 page 17 5 Step Staircase Figure 7 page 17 Linearity error lt 1 Red Field Figure 8 page 17 Chroma Amplitude 626 7 nV 87 7 IRE p p Field Square Wave Figure 9 page 18Highlight the page num White on lines 70 through 213 50 IRE Flat Field Figure 10 page 18 OIRE No Burst STD only Figure 11 page 18 Black Burst Figure 12 page 19 7 5 IRE active video SIN
15. r best results use the AC adapter that is supplied with the instru ment If the supplied adapter is incorrect for the local AC power supply please contact your nearest Tektronix representative WARNING Install or replace batteries only with the instrument switched OFF and the AC adapter disconnected Replace the batteries only with standard AA batteries 1 2 1 5 V nominal or with a Tektronix rechargeable battery pack p n 119 4488 00 If you have any questions regarding the operation of this instru ment please contact your nearest Tektronix representative or field office In the United States and Canada you may also call the Tek tronix information number 1 800 TEK WIDE 1 800 835 9433 between 8 00 am and 5 00 pm Pacific time TSG 90 PATHFINDER User Manual 1 Getting Started 2 TSG 90 PATHFINDER User Manual 7 AE Operating Basics The TEKTRONIX TSG 90 PATHFINDER TV Signal Generator is designed for ease of operation and outstanding portability It pro vides a complement of 16 NTSC test signals including the Safe Area signal It also provides 13 selectable audio frequencies from 50 Hz to 20 kHz a 50 Hz to 20 kHz audio sweep and an audio click channel ID The two stereo AUDIO outputs may be set to one of three selectable amplitudes 0 dBu 4 dBu or 8 dBu Tektronix Pathfinder TSG 90 NTSC Signal Generator ID jenu z E_ 25 g o s ma EF 3 2 Ei i 3 3 amp H3 FE ud E
16. re 9 Field Square Wave 18 Figure 10 50IRE Flat Field 18 Figure 11 0 IRE No Burst 18 Figure 12 Black Burst 19 Figure 13 SINXIX san ee t w te edP Dd E 19 Figure 14 Convergence Signal Components 20 Figure 152 Matix san ser d adrien 20 Figure 16 Safe Area Signal Components 22 Figure 17 SNG Bars Option 1J only 23 List of Tables Table 1 Physical Data and Environmental Limits 9 Table 2 Power Requirements Battery Life 10 Table 3 Test Signal Generator General Characteristics 10 Table 4 Audio Tone Output 11 Table 5 Multiburst Test Signal 11 Table 6 NTC7 Composite 12 Table 7 NTC7 Combination 13 Table 8 FCC Composite 14 Table 9 Remaining Test Signals 15 Rev Mar 1994 iv TSG 90 PATHFINDER User Manual Getting Started ZA Please note the following statements before using your new TSG 90 PATHFINDER CAUTION Attempting to operate the TSG 90 with an improper AC adapter can result in permanent damage to the instrument To avoid damage USE ONLY AN APPROPRIATE DC POWER SOURCE Voltage must be 9 to 15 VDC the connector must have the NEG ATIVE contact in the center and open circuit voltage of the power source must not exceed 18 VDC Fo
17. reen The H and V readouts on the LCD display al low the operator to determine where the message is being posi tioned even if there is no video display available The H value shows how many letter spaces from the left edge the message starts The V value shows the character line that the first line of text occu pies If the first line of text is placed into the vertical interval the LCD display will read V vert Tone On Off and Tone Menu The Tone On Off button toggles the audio tone on and off When Tone is On the LCD display will dis play the selected audio level for example Tone 4dB The Tone Menu Shift Tone On Off is used to select the tone frequency se lect the audio level 0 4 or 8 dBu and to turn the audio click on and off The tone frequency menu will select one of 13 fixed frequencies between 50 Hz and 20 kHz or a 50 Hz 20 kHz audio sweep This sweep signal is composed of 27 separate frequencies more than double the number of specified fixed frequencies While in the tone frequency menu with sweep selected displayed on the LCD read out pressing the ENTER key will stop the sweep and the PATH FINDER will continue to output the frequency it was producing when the ENTER key was pressed The display will change from SWEEP 50 20K to SWEEP PAUSED This is useful for checking Rev Mar 1994 TSG 90 PATHFINDER User Manual 7 Operating Basics a problem noticed at a particular frequency while sweeping and also allo
18. ry pack may be recharged without removing it from the instrument The AC adaptor will provide a trickle charge to the pack whenever the adaptor is con nected to the PATHFINDER and an AC power source m Rechargeable AA batteries may be used but they will not be recharged when in the instrument To recharge AA batteries remove them from the PATHFINDER and use any appropriate charger Controls PATHFINDER controls consist of a keypad which has buttons to make operational selections and entering menus alphanumeric but tons for text entry and test signal selection and arrow buttons for maneuvering through the menus and positioning text on screen There is an enter button in the center of the arrow keys used in menu selections There is also a Shift Shift Lock button an ON button and a Lock Out button Shift Shift Lock The Shift Shift Lock button is used to access the upper shifted nomenclature associated with each of the buttons including itself When Shift is pressed a reverse video S is dis 4 TSG 90 PATHFINDER User Manual Operating Basics 3 ne G Other Tone S e Shift Lock played in the lower right corner of the LCD display indicating that the next keystroke will use the shifted nomenclature If the next keystroke is the Shift button again then the keypad is locked into the shift mode and all keystrokes will use the shifted nomenclature The LCD display shows a rever
19. se video SL indicating that shift lock is active Shift Lock is cancelled by pressing the Shift button a third time Lock Out The Lock Out button is used to disable the keypad While locked out pressing any key except Lock Out or ON pro duces the message press Lock Out on the LCD display and has no other effect While in Lock Out mode a lock symbol padlock icon appears in the lower right corner of the LCD display Holding the Lock Out button down while switching the instrument on will invoke the diagnostic menu See Appendix C page 27 for more information TSG 90 PATHFINDER User Manual 5 Operating Basics Bars and Other Signals The Bars and Other Signals buttons are used along with the alphanumeric keys for selecting test signals This occurs in the Signal Select mode the default operating mode for the PATHFINDER The PATHFINDER powers up in this mode and returns to it after exiting any of the other modes While in the Signal Select mode the Bars button selects SMPTE Bars and 75 Bars and the Other Signals button scrolls through the remaining test signals The arrow keys will also scroll forward and backward through the signal list In addition the alphanumeric keys may be used to select signals directly eliminating the need to scroll through all the signals to get to the one you want Direct Signal Selection List A SMPTE Bars B 75 Bars C Multiburst D NTC7 Composite E NTC7 Combination F FCC Composite
20. ws the use of frequencies not specifically addressed in the Tone Menu Pressing the ENTER key again will restart the sweep Recall and Store The Recall button allows the user to recall one of eight user defined IDs or four user presets In this mode the left right arrows select the ID or preset number and pressing ENTER will then recall it The up and down arrow buttons may be used to view the second line of the text message before recalling Store is used to store the current ID text with an assigned ID num ber or it will store the current text and instrument settings as a user preset Rev Mar 1994 8 TSG 90 PATHFINDER User Manual Appendix A Characteristics This appendix contains information about the TSG 90 and its out put that the operator may find useful Included are illustrations of the various test signal waveforms and where helpful accompany ing tables Signal timing information appears on each figure the corresponding table if any contains nominal amplitude values that may not be apparent in the figure See the TSG 90 Service Manual Tektronix p n 070 8706 00 for more complete descrip tions of the test signals NOTE The information in this section is included for the conve nience of the TSG 90 operator It is not intended as a list of guaran teed specifications or performance requirements For a full listing of PATHFINDER specifications and complete performance verifi cation and adjustment procedures pleas
21. x shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix repre sentatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product This warranty is given by Tektronix with respect to this product in lieu of any other warranties express or implied Tektronix and its vendors disclaim any implied warranties of merchantability or fit ness for a particular purpose Tektronix responsibility to repair or replace defective products is the sole and exclusive remedy provided to the customer for breach of this warranty Tektronix and its ven dors will not be liable for any indirect specia
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