Ir a la página of
manuales de instrucciones parecidos
-
Home Theater System
Philips HTS3300
45 páginas 2.49 mb -
Home Theater System
Philips LX3600
46 páginas 1.21 mb -
Home Theater System
Philips MX5800SA/22S
47 páginas 1.74 mb -
Home Theater System
Philips MRD410B
2 páginas 2.44 mb -
Home Theater System
Philips HTS7540
2 páginas 1.1 mb -
Home Theater System
Philips HTB3560
39 páginas 1.32 mb -
Home Theater System
Philips FR-995
84 páginas 1.64 mb -
Home Theater System
Philips HSB4383/12
37 páginas 1.39 mb
Buen manual de instrucciones
Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Philips MRD-250. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Philips MRD-250 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.
¿Qué es un manual de instrucciones?
El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Philips MRD-250 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.
Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Philips MRD-250, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.
Entonces, ¿qué debe contener el manual de instrucciones perfecto?
Sobre todo, un manual de instrucciones Philips MRD-250 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Philips MRD-250
- nombre de fabricante y año de fabricación del dispositivo Philips MRD-250
- condiciones de uso, configuración y mantenimiento del dispositivo Philips MRD-250
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas
¿Por qué no leemos los manuales de instrucciones?
Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Philips MRD-250 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Philips MRD-250 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Philips en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Philips MRD-250, como se suele hacer teniendo una versión en papel.
¿Por qué vale la pena leer los manuales de instrucciones?
Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Philips MRD-250, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.
Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Philips MRD-250. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.
Índice de manuales de instrucciones
-
Página 1
User guide MRD-250 DVD HOME CINEMA SYSTEM Read this first! Congratulations on purchasing this Magnavox product. We’ve included everything you need to get started. If you have any problems, Magnavox Representatives can help you get the most from your new product by explaining: • Hookups, • First Time Setup, and • Feature Operation. Do not at[...]
-
Página 2
Once your MAGNAVOX purchase is registered, you’re eligible to receive all the privileges of owning a MAGNAVOX product. So complete and return the Warranty Registration Card enclosed with your purchase at once. And take advantage of these important benefits. Return your Warranty Registration card today to ensure you receive all the benefits you’[...]
-
Página 3
Table of Contents 3 General Information Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]
-
Página 4
4 Safety Information IMPORTANT SAFETY INSTRUCTIONS. 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install[...]
-
Página 5
Introduction 5 Welcome! We hope you enjoy your complete DVD Home Cinema System. This seven-piece, 200-watt system creates dynamic sound quality and realism found only in cinemas. Features of the DVD Home Cinema System include: ● Surround Sound options ● Night Mode: Reduces the range between high and low vol- umes during Disc playback. ● Paren[...]
-
Página 6
6 Remote Control Standby or Power y y Button Press to turn the DVD Receiver on or off (Standby). Number (0-9) Buttons Press to enter a Track/Title number, radio station, or TV channel, depending on the mode of the remote. SLEEP Button Press to set the Sleep Timer. MENU Button Press to access or remove a DVD Disc Menu (remote must be in DISC mode). [...]
-
Página 7
Remote Control, cont’d 7 VOL(ume) +/– Buttons Press to increase or decrease the volume. Source Buttons Press to select a sound source for the Receiver (DVD/CD, TUNER (FM), TUNER (AM), TV, or AUX). OK Button Press to confirm menu selections. MUTE Button Press to turn off the sound. Press again to restore the sound to its previous level. FF D But[...]
-
Página 8
8 Front Panel D VD/CD STOP TUNER•BAND TV/AUX MUTE SELECT PREVIOUS NEXT PLA Y•P AUSE Po wer ON-OFF OPEN¥CLOSE DISC 1 DISC 2 DISC 3 DISC 4 DISC 5 STANDBY ON 5 DISC DIRECT PLAY DVD VIDEO DIGITAL SURROUND SYSTEM VOLUME 5 DVD CHANGER iR Sensor STANDBY-ON (power) y Button Press to turn the DVD Receiver on or off (Standby). Disc Tray Insert d[...]
-
Página 9
Rear Panel 9 FR FL C SR SL SPEAKERS (8‰) CENTER LINE OUT AUDIO OUT AUDIO IN VIDEO OUT WOOFER LINE OUT TV AUX S- VIDEO OUT Pr/Cr Pb/Cb Y COMPONENT VIDEO OUT COAXIAL OPTICAL DIGITAL OUT AM FM (75‰) AM/FM ANTENA L R AC POWER CORD Connect to a standard AC outlet. FM/AM ANTENNA Connect the supplied AM loop antenna to the AM jack. Connect the supplie[...]
-
Página 10
10 First Time Setup Where Do You Start? 1 Disconnect all equipment from power. Connect equipment to power only after you have finished hooking up everything. Do not change connections with equipment connected to a power outlet. 2 Put the batteries in the remote control and connect the AM and FM antennas as detailed below. 3 Connect the DVD Receiver[...]
-
Página 11
Hookups - TV 11 Connecting to a TV with a Composite (yellow) Video In Jack FR FL C SR SL SPEAKERS (8‰) CENTER LINE OUT AUDIO OUT AUDIO IN VIDEO OUT WOOFER LINE OUT TV AUX S- VIDEO OUT Pr/Cr Pb/Cb Y COMPONENT VIDEO OUT COAXIAL OPTICAL DIGITAL OUT AM FM (75‰) AM/FM ANTENA L R 1 Connect the DVD Receiver’s yellow VIDEO OUT jack to the VIDEO IN ja[...]
-
Página 12
Hookups - TV (cont’d) 12 Connecting to a TV with Component Video In Jacks FR FL C SR SL SPEAKERS (8‰) CENTER LINE OUT AUDIO OUT AUDIO IN VIDEO OUT WOOFER LINE OUT TV AUX S- VIDEO OUT Pr/Cr Pb/Cb Y COMPONENT VIDEO OUT COAXIAL OPTICAL DIGITAL OUT AM FM (75‰) AM/FM ANTENA L R 1 Connect the DVD Receiver’s Pr/Cr Pb/Cb Y COMPONENT VIDEO OUT jacks[...]
-
Página 13
Hookups - TV (cont’d,) 13 Connecting to a TV with an S-Video In jack FR FL C SR SL SPEAKERS (8‰) CENTER LINE OUT AUDIO OUT AUDIO IN VIDEO OUT WOOFER LINE OUT TV AUX S- VIDEO OUT Pr/Cr Pb/Cb Y COMPONENT VIDEO OUT COAXIAL OPTICAL DIGITAL OUT AM FM (75‰) AM/FM ANTENA L R 1 Connect the DVD Receiver’s S-VIDEO OUT jack to the S-VIDEO IN jack on y[...]
-
Página 14
1 C onnect the supplied Front speakers. C onnect the Front Right speaker to the Red/Black +/- FR (Front Right) SPEAKER jacks on the rear of the DVD Receiver. C onnect the Front Left speaker to the White/Black +/- FL (Front Left) SPEAKER jacks on the rear of the DVD Receiver. 2 C onnect the supplied Center speaker to the Green/Black +/- CENTER SPEAK[...]
-
Página 15
Hookups - Optional 15 Connecting to a TV and Optional Audio Equipment FR FL C SR SL SPEAKERS (8‰) CENTER LINE OUT AUDIO OUT AUDIO IN VIDEO OUT WOOFER LINE OUT TV AUX S- VIDEO OUT Pr/Cr Pb/Cb Y COMPONENT VIDEO OUT COAXIAL OPTICAL DIGITAL OUT AM FM (75‰) AM/FM ANTENA L R Back of TV (example only) Rear of DVD Receiver CD/Tape Recorder (for analog [...]
-
Página 16
16 Hookups - Optional Connecting to a VCR or Cable/Satellite Box FR FL C SR SL SPEAKERS (8‰) CENTER LINE OUT AUDIO OUT AUDIO IN VIDEO OUT WOOFER LINE OUT TV AUX S- VIDEO OUT Pr/Cr Pb/Cb Y COMPONENT VIDEO OUT COAXIAL OPTICAL DIGITAL OUT AM FM (75‰) AM/FM ANTENA L R Back of TV (example only) ANT IN TO TV Back of VCR , Cable, or Satellite box (exa[...]
-
Página 17
There are many playback features and options available on Discs. After learning the basic operations of the DVD Receiver and the remote control, refer to the latter sections of this manual to learn playback features. 1 Press STANDBY-ON y (or DISC) to turn on the DVD Receiver. The red Standby light will disappear from the front of the DVD Receiver. [...]
-
Página 18
SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I MAGNOVOX 18 Playback Features VOLUME POWER ON/OFF IR SENSOR OPEN/ CLOSE DVD/CD TUNER TV/AU[...]
-
Página 19
SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I MAGNOVOX System Setup 19 Use the Setup Menu to set up the system’s features. Press SETUP[...]
-
Página 20
20 TV Display SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I • If a desired Audio or Subtitle language cannot be selected, the language is not available on the current Disc. • Some DVDs only allow you to change the Audi[...]
-
Página 21
Angle Mark, OSD Language 21 Angle Mark When turned on the Angle Mark feature will place a [icon] on the screen when the screen is recorded in multiple angles. Press ANGLE on the Remote Control to select the angle you would like to view. 1 Press SETUP. 2 GENERAL SETUP will be selected, press OK . 3 Press 9 to select Angle Mark. Then Press - . 4 Pres[...]
-
Página 22
SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I MAGNOVOX Video Out Select the type of video connection you have set up between your TV and[...]
-
Página 23
Screen Saver, Speaker Delay 23 SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I Screen Saver Turn the screen saver (SCR SAVER) on or off. 1[...]
-
Página 24
SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I Test Tone Use the test tone to set the speakers to desired distance and volume. 1 Press SETUP. 2 Press 9 to select SPEAKER SETUP. Then press OK . 3 Press 9 to select TEST TONE. Then press - . 4 Press 8 and 9 to select ON or [...]
-
Página 25
SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I Dual Mono, Dynamic 25 SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NE[...]
-
Página 26
26 TV Type (NTSC, PAL), Language Options SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I TV Type Set the DVD to match your TV format. 1 Pr[...]
-
Página 27
Parental Controls 27 SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I MAGNOVOX Parental Controls Some DVD and Video CD makers code the DVD/[...]
-
Página 28
28 Password SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I MAGNOVOX Changing or setting the Password The default password is 3308. If you[...]
-
Página 29
To reset the DVD Receiver to its original settings, reset the defaults. 1 Press SETUP. 2 Press 9 to select PREFERENCES. Then press OK . 3 Press 9 to select DEFAULT. Then press - . 4 Press 8 or 9 to select . Then press OK. 5 Press SETUP to remove the Menu Screen. SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITL[...]
-
Página 30
30 Title, Angle SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I Title Some DVDs may contain more than one title. If the disc has a title m[...]
-
Página 31
Zoom, Goto 31 SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I Zoom Zooming allows you to enlarge the DVD or Video CD image and scan throug[...]
-
Página 32
32 Repeat, Repeat A-B PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO I I MAGNOVOX SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFF[...]
-
Página 33
CD Features, Programming 33 SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TIT[...]
-
Página 34
Playback Control (Video CD only) Playback Control (PBC) is available on some Video CDs and provides inter- active menus through which you can activate features or playback options. 1 Press MENU/PBC with playback stopped to turn PBC ON or OFF. ● Select PBC OFF-and Video CDs will start playback automatically without the Playback Control interactive[...]
-
Página 35
SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTI[...]
-
Página 36
MP3 Features MP3 is a compression method that makes digital music files up to 10 times smaller without losing significant sound quality. MP3 is common on the Internet, letting you transfer Tracks to your computer and onto a CD Recordable or CD Rewritable. The DVD Receiver supports these MP3 characteristics. Keep these in mind when you make Discs yo[...]
-
Página 37
Tuner Features 37 STEREO R L S Program PROG STEREO R L S PROG STEREO R L S SOURCE SLEEP VOL MUTE SELECT DISPLAY MENU SET UP PREV PLAY/P AUSE NEXT REW STOP FF OPEN/ CLOSE OK 12 3 45 6 78 >10 0 9 I I SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MOD[...]
-
Página 38
SET UP PREV PLAY/P AUSE NEXT REW STOP FF TITLE ANGLE ZOOM GOTO LANGUAGE SUBTITLE N/P DIM REPEAT A/B SHUFFLE PROGRAM DISC SKIP DISC NO SLOW/MEM CD MODE ST/MONO LISTENING AUDIO OPEN/ CLOSE OK I I MAGNOVOX 38 FM Reception, Sleep Timer Sleep Timer The Sleep Timer turns the DVD Home Cinema System to Standby mode (off) at a preselected time. 1 Press SLEE[...]
-
Página 39
Helpful Hints 39 WARNING! Under no circumstances should you try to repair the system yourself, as this will invalidate the warranty. Do not open the system as there is a risk of electric shock. If you are having problems with your product, check this list of problems and possible solutions before requesting service. You may be able to solve the pro[...]
-
Página 40
Glossary 40 Helpful Hints (cont’d), Glossary • Inspect or replace the batteries in the remote control. • Use the SOURCE buttons (TV/AV, DISC, TUNER, AUX) to place the remote in the right mode. For example, when using the remote to start Disc playback, press DISC first. You cannot activate some features, such as Angles, Subtitles, or multi-lan[...]
-
Página 41
Specifications 41 AMPLIFIER SECTION Output power Stereo (DIN) . . . . . . . . . . . . . . . . .2 x 50 W Output power Surround (1 kHz) . . . . . .20 W RMS/channel Total Harmonic Distortion . . . .10% at rated power (1 kHz) Frequency Response . . . . . . . . . . .180 Hz – 14 kHz / ±1 dB Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . .>[...]
-
Página 42
Index 42 5 Disc Direct Play . . . . . . . . . . . . . . .8 9 8 ; : Buttons . . . . . . . . . . . . . .6 ; (Headphones) . . . . . . . . . . . . . . .8 A/B Button . . . . . . . . . . . . . . . . .7, 32 AC Power cord . . . . . . . . . . . . . . . .9 Analog . . . . . . . . . . . . . . . . . . . . . . .40 Angle Button . . . . . . . . . . . . . . . .7, 3[...]
-
Página 43
MAGNAVOX AUDIO SYSTEM One Year Free Exchange This product must be carried in for an exchange. LIMITED WARRANTY EL6519E001 / 3-02 Magnavox, P.O. Box 520890, Miami, FL 33152 (402) 536-4171 WHO IS COVERED? You must have proof of purchase to exchange the product. A sales receipt or other document showing that you purchased the product is considered pro[...]