Sony RMT-D172A Manual

The Sony RMT-D172A is a universal infrared remote control designed for compatibility with a wide range of Sony audio/video equipment. It features a comprehensive button layout for basic TV functions, dedicated device control keys, a learning function for non-Sony devices, macro programming capabilities, and an ergonomic design. Below are key sections covering overview, features, setup, programming, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Infrared transmitter, Device selection buttons, Numeric keypad, Navigation cluster, Special function keys, Learning sensor, Battery compartment.

Feature	Description
Device Control Keys	TV, DVD, AUDIO, CABLE/SAT, AUX for selecting controlled device
Numeric Keypad	0-9 digits for direct channel entry and menu navigation
Navigation Cluster	Directional arrows, OK/ENTER, MENU, GUIDE, INFO
Transport Controls	PLAY, PAUSE, STOP, REC, FF, REW, SKIP for multimedia devices
Volume/Channel Controls	VOL +/-, CH +/-, MUTE
Power Controls	POWER ON/OFF, ALL OFF (system power)
Learning Function	Can learn commands from original remotes for non-Sony devices
Macro Programming	Records sequence of commands to a single button
Backlight (if applicable)	Illuminates buttons in low light (model dependent)
Ergonomic Design	Contoured shape for comfortable grip

Package Contents

Unpack and verify all items are present.

1. Sony RMT-D172A Remote Control (1 unit).
2. User Manual (this document).
3. Two (2) AAA alkaline batteries (may vary by region).
4. Quick Start Guide (optional).

NOTE: Retain packaging for future reference or transport.

Initial Setup & Battery Installation

Prepare remote for first use by installing batteries.

1. Turn the remote over and locate the battery compartment cover on the back.
2. Slide the cover in the direction of the arrow to open.
3. Insert two AAA batteries, observing the correct polarity (+/-) markings inside.
4. Replace the cover by sliding it back until it clicks into place.
5. Point the remote at your device and test basic functions (POWER, VOLUME).

CAUTION! Do not mix old and new batteries or different battery types. Remove batteries if the remote will not be used for an extended period.

Specifications

• Model: RMT-D172A.
• Type: Universal Infrared Learning Remote.
• Power Source: 2 x AAA 1.5V batteries.
• Operating Range: Approx. 7 meters (23 feet), angle dependent.
• Infrared Wavelength: 940 nm.
• Compatibility: Sony TVs, DVD/Blu-ray players, audio systems, cable/satellite boxes. Can learn codes for other brands.
• Special Functions: Code search, Learning, Macro programming.
• Dimensions & Weight: Refer to product label for exact values.
• Operating Temperature: 0°C to 40°C (32°F to 104°F).

Controls and Layout

Top Section: POWER, Device selection buttons (TV, DVD, AUDIO, CABLE/SAT, AUX). Center: Navigation cluster (Arrow keys, OK), MENU, GUIDE, INFO, EXIT. Lower Section: Numeric keypad, VOL/CH controls, MUTE, Transport controls (PLAY, STOP, etc.). Bottom: Special buttons (LEARN, MACRO, SETUP).

Indicator Light: A small LED may flash to confirm learning or macro recording.

Basic Operation: Press the desired device button (e.g., TV) to activate control for that device, then use the function buttons.

Programming the Remote

Two primary methods: Automatic Code Search and Learning Function.

1. Auto Code Search (for Sony & major brands):
   • Turn on the device you want to control (e.g., TV).
   • Press and hold the corresponding device button (e.g., TV) and the POWER button simultaneously until the remote's indicator light turns on.
   • Press the POWER button repeatedly until the device turns off.
   • Press the OK/SET button to lock in the code.
2. Learning Function (for any remote):
   • Place the two remotes head-to-head, about 2-3 cm apart.
   • On the RMT-D172A, press and hold the LEARN button and the target button you wish to program (e.g., TV's POWER) until the indicator lights.
   • Press and hold the corresponding button on the original remote until the RMT-D172A's indicator flashes twice.
   • Repeat for other buttons.

Tip: Perform programming in a room with normal lighting, avoiding direct sunlight or strong fluorescent light.

Operating Your Devices

After programming, use the remote to control your home entertainment system.

1. Select Device: Press TV, DVD, AUDIO, etc. The remote is now in that mode.
2. Basic Control: Use POWER, VOLUME, CHANNEL, MUTE, and number keys.
3. Menu Navigation: Use ARROW keys and OK/ENTER to navigate on-screen menus.
4. Transport Controls: In DVD/AUDIO mode, use PLAY, PAUSE, FF, REW, etc.
5. Input Selection: For TVs, the INPUT or TV/VIDEO button cycles through video sources.
6. System Power: The ALL OFF button (if present) can turn off multiple programmed devices at once.

WARNING! Ensure a clear path between the remote and the device's IR sensor. Remove any obstacles.

Macro Function

Record a sequence of commands to a single button (e.g., "Watch DVD" turns on TV, switches to correct input, turns on DVD player).

1. Press and hold the MACRO button until the indicator lights.
2. Press the button you want to assign the macro to (e.g., AUX).
3. Press the sequence of device and command buttons exactly as you would manually (e.g., TV -> POWER, TV -> INPUT, DVD -> POWER). Insert a 0.5-second pause between commands by waiting.
4. Press the MACRO button again to end recording. The indicator will flash to confirm.
5. Test the macro by pressing the assigned button.

Note: Macros may have a limit on the number of commands. Consult the specific guide for your model.

Care & Maintenance

Unload batteries before cleaning. Wipe the remote with a soft, dry cloth. For stubborn marks, slightly dampen the cloth with water. Do not use solvents or abrasive cleaners.

CAUTION! Avoid getting moisture into openings. Keep remote away from extreme heat, humidity, and direct sunlight.

Regulatory Information

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. Contains FCC ID: [To be filled by manufacturer]. Sony and the Sony logo are trademarks of Sony Corporation. For support, visit www.sony.com/electronics/support or contact Sony customer service in your region.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Dead batteries, obstacles, wrong device mode	Replace batteries; ensure clear line-of-sight; press correct device button first.
Cannot program codes	Incorrect procedure, low battery, incompatible device	Follow steps precisely; use fresh batteries; verify device is IR-controlled.
Learning function fails	Remotes too far/close, strong light interference, original remote faulty	Position remotes 2-3 cm apart; move away from bright lights; test original remote.
Macro does not run completely	Too many steps, weak batteries, delay too short	Shorten macro sequence; replace batteries; add brief pauses between commands in sequence.
Buttons work intermittently	Battery contacts dirty, weak signal	Clean battery contacts with dry cloth; point remote directly at device sensor.

Reset: To clear all programming, remove batteries for 1 minute, then reinsert. This resets to factory defaults.

Service: For persistent issues, contact Sony Support or visit the official Sony website.