Harmony® 688 Advanced Universal Remote
- H688BLK, H688SIL
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- Product Documentation
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- Replacement Parts
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- Warranty Information
- Limited Hardware Warranty
Support FAQs
- Harmony Software Download
- Manuals for the Harmony Adapter for PS3
- Setup and positioning of the Harmony IR Extender System
- Manuals for Harmony 600 series Advanced Universal Remotes
- Installation guide for the Logitech Harmony IR Extender System
- Upgrading/Reapplying the firmware on your Harmony Remote
- Adding a device to the Harmony Remote
- How do I know if a Harmony remote will control all of my equipment?
- Locating device manufacturer and model number information for my Harmony remote
- Pairing your Logitech Harmony Adapter for PS3™ to your PLAYSTATION®3
- Adjusting how a Harmony remote turns a device on or off
- How to control multiple Apple devices with the Harmony remote
- Using the Harmony remote to control Apple products that use the Apple remote
- How do I reset the password or find the Login ID for my Harmony remote account?
- Determining if a device uses an RF (radio frequency) or IR (infrared) remote control
- Setting a Harmony remote to not power off devices when switching between Activities
- Adding an HDMI Switch to the Harmony remote
- Controlling a Bose receiver with a Harmony remote
- Transferring your settings from an old Harmony Remote to a newer or different model
- How to test if your TV or AV receiver can go directly to an input with a single button press
- Adding commands to be sent at the start or end of an Activity for a Harmony Remote
- Disabling the firewall on Mac OS X Snow Leopard (10.6) and Lion (10.7)
- Uninstalling the Harmony remote software
- Disabling LG SIMPLINK
- Learning commands to the Harmony remote in RAW
- Learning a command from your original remote to the Harmony remote
- Controlling a Digital Media Receiver or Digital Video Player to a Harmony remote
- Adding Logitech Revue to Watch TV using Logitech Harmony Remote software
- How do I remove a device from my Harmony Remote?
- How do I change the language on my Harmony remote?
- Disabling Philips EasyLink
- Adding an Activity that does not fit into any category in the Logitech Harmony Remote Software
- Changing the order of devices in Device Mode
- Controlling Bose Lifestyle 18, 28 and 35 Home Entertainment Systems with a Harmony remote
- Replacing a home theater component on a Harmony remote
- I own multiple Harmony remotes and I would like to set them up to control different components
- Controlling a PLAYSTATION®3 with a Harmony remote
- Adding an Activity to the Harmony Remote
- Mapping a Sequence of commands to a single button on the Harmony remote
- Submitting a warranty claim for a Harmony remote
- How do I remove an activity from my Harmony Remote?
- How to customize buttons in Device mode for a Harmony 600 series remote
- How do I adjust the backlight (Glow) timing on my Harmony Remote
- Controlling a multi-zone AV Receiver with a Harmony remote
- Confirming the correct remote codes from your original remote with a Harmony remote
- How do I change the order in which devices are powered on in an Activity when using my Harmony remote?
- Detecting the DISH Network or Bell TV remote address on the Harmony remote
- How to customize buttons for a Harmony 600 series remote in an Activity
- Customizing the Picture and Sound buttons for an Activity on my Harmony remote
- I accidentally learned the wrong IR command into my Harmony remote and I would like to delete it
- Upgraded my Harmony remote and want to use my old Harmony remote to control new devices
- Accessing and using Device mode on a Harmony 600 series remote
- Setting up Favorite Channels on a Harmony 628, 655, 659, 675, 676, 680 or 688 Advanced Universal Remote
- The Harmony software displays that there are updates available for my device. How do I add the updated version of my device?
- Setting up an Activity to sometimes use the AV Receiver for sound
- Removing unwanted commands from device mode on a Harmony remote
- Sending more than one power command to a device
- How do I change the list of Inputs for my Device?
- Adding an additional device to an Activity for your Harmony Remote
- Renaming an Activity on the Harmony remote
- Deleting everything and starting the Harmony setup again
- Removing the battery door from a Harmony 600 series remote (610, 620, 628, 655, 659, 670, 675, 676, 680, 688)
- How to access Favorite Channels on a Harmony 628, 655, 659, 675, 676, 680 or 688 Advanced Universal Remote
- How to create an Activity to control a PLAYSTATION®3 using the Logitech Harmony Adapter for PS3™
- When I watch TV, I would like to sometimes listen to the sound from my AV Receiver and at other times from the TV speakers. How do I do that?
- Adding a Blu-ray player to the Harmony remote
- Turning off your devices with the Harmony remote
- Tutorial: How can I add my X10 light controller?
- Accessing and using the Picture and Sound modes on a Harmony 600 series remote
- Tutorial: Setting up CD or DVD listings for a CD or DVD jukebox for my Harmony Remote
- Adding Satellite Music Activity to a Harmony Remote
- VIDEO: Harmony remote control "Activities" explained
- Windows 8 product support and device compatibility
- Contacting Support for the Harmony remote
- Battery Life in the Harmony Remote
- Logitech Harmony Remote North American Support Options
- Can I use a Harmony RF Wireless Extender with any Harmony remote
- Difference between IR and RF remotes
- Terms and Conditions of Logitech Harmony Support Services
- Can I extend the length of the IR receiver cable of my Harmony IR Extender System?
- Updating the Harmony remote without an Internet connection
- Warranty duration for Logitech Harmony remotes
- Harmony Video Tutorial: What is an Activity
- Choosing the right Watch TV Activity for your Harmony remote
- Do I need to have a Harmony remote to use the Logitech Harmony IR Extender System to control my devices?
- Why am I receiving a refurbished Harmony remote as a warranty replacement?
- Logitech Harmony Client Software 7.7 Release Notes
- My Harmony Remote has stopped working. What should I do?
- Device selects the wrong input or turns back on after using Harmony remote to turn it off
- Batteries are draining quickly on my Harmony remote
- Troubleshooting: Restoring a Harmony Remote to factory default settings
- Troubleshooting: Constant session timeout error message with Harmony software
- My Harmony remote sends commands too slowly when I press a button when in an Activity (Adjusting the Inter-key Delay)
- My Harmony remote sends a command multiple times on a single button press
- My Dish Network PVR/Satellite is not responding to my Harmony remote
- Program compatibility error message when installing Logitech Harmony® Remote Software on Windows 7
- Troubleshooting: Harmony Remote Software freezes during install on Windows PC
- My Harmony remote doesn't switch between Activities correctly without having to use the Help button (Adjusting the Inter-Device Delay)
- I am having difficulty adding a device to my Harmony remote
- Unable to learn a command from the original remote
- Troubleshooting: My remote has stopped working. What should I do?
- My Activities never work correctly when first powering on my devices with my Harmony remote (Adjusting the Power On Delay)
- Vizio TV not switching to the proper input
- My TV always stops short of the correct input when switching Activities using my Harmony remote (Adjusting the Input Delay)
- My Harmony remote was programmed by a professional installer and I don't know my Harmony Login ID and/or password
- When I select a Favorite Channel the TV always goes to the wrong channel
- The Logitech Harmony Remote software freezes at 3% when I try to update my Harmony remote
- When setting up a Watch TV Activity for my Harmony Remote I receive the message "None of your devices can change channels"
- My Favorite Channels aren't being sent correctly
- PlayStation 3 game controllers do not work after pairing the Logitech Harmony Adapter
- My DirecTV PVR / Satellite is not responding to my Harmony remote
- My Harmony Remote doesn't control one of my devices and its original remote is broken
- A button on my Harmony 600 Series remote isn't working correctly
- My Harmony 600 series remote is no longer controlling any of my devices
- The Logitech Harmony Remote Software says "Please plug in the remote or press any key to wake it up" when connecting my Harmony for Xbox 360, Harmony 500 series, or Harmony 600 series Advanced Universal Remote
- I receive the error Unable to Display Content when updating my Harmony remote
- My device manufacturer is not listed in the Logitech Harmony Remote Software
- I receive the Step failed Adding text to an XML document must not be null error message when updating my Harmony remote
- Harmony remote not turning devices on/off correctly
- My Harmony 600 series remote appears frozen and only displays "Safe Mode" on the LCD screen
- Why don't the names of commands in the Logitech Harmony Remote software match the names of the buttons on my original remote?
- My Bell ExpressVU PVR/Satellite is not responding to my Harmony remote
- When installing software I get ‘Different Scripting Runtime dll needed’, how do I fix this error?
- My PlayStation 3 is not powering off with my Logitech Harmony Adapter
- Why do I receive "Automation Error. Run time -2147467259(80004005)"?
- The Logitech Harmony Remote software tells me my remote is defective and has been disabled
- My Xbox 360 is not responding to my Harmony remote
- Slow or sporadic control of my devices when using the Harmony IR Extender System
- When I start an Activity that uses a Samsung LCD TV none of my devices respond to my Harmony remote
- Why can I access and customize only 4 of the 6 soft buttons?
Setup
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Reference
Troubleshooting
- Software Downloads
- Download installation software, drivers, updates and more.
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- H688BLK, H688SIL



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