DX8 Version 1.0 Servo Travel Adjustment Service Bulletin

While adjusting a servo's Travel Adjust value in the Servo Setup screen, if the clear button is depressed, both the value and the channel's reversing will reset to their default values of 100% and normal.

This reset could cause an unsafe condition if unnoticed, particularly if the channel has been reversed on the throttle.

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DX8 Un-commanded Servo Movement Service Bulletin

Recently, the Horizon Hobby Service Center has received a small number of reports from customers claiming un-commanded servo movements and loss of RF link during the activation of the vibrator motor in some DX8’s from the initial shipment. Horizon requests that all DX8 customers with the Product ID (PID) HS008X or HS009X found in the battery compartment carefully check their radios to determine if their transmitter has this issue prior to flying.

If you have a DX8 with the affected PID, please perform the following test.
• Step 1: If your model is electric, unplug motor leads from ESC for safety.
• Step 2: In the function list, select Timer Screen and set a 0:10s Count Down timer to Tone/Vibe.
• Step 3: With model powered on and connection established, activate timer and observe servos for un-commanded movement and receiver for loss of RF link.

Should you find that your transmitter is affected by this issue, please contact your nearest Spektrum authorized service center to arrange for a free upgrade to your DX8 performed by a Horizon Hobby authorized Technician.
• Click here to complete the Spektrum DX8 Return Request form.
• You may also e-mail the Horizon Hobby Product Support team. Please type "DX8 Return Request Form" in the subject line.
• Please include your shipping address, daytime phone number, and PID code from your Spektrum DX8 transmitter. Click here to e-mail Product Support.
• Horizon will pay for all ground shipping.
• If you have further questions, please call Horizon Hobby Product Support at 877-504-0233.
• Consumers outside the US and Canada should contact their local retailer or distributor. A list of International distributors may be found at: www.horizonhobby.com/StoreLocator.
• As with all RC aircraft, please check your transmitter and equipment prior to each flight.
• Horizon Hobby and the Spektrum team apologize for this inconvenience.