Listen Technologies LT-800-216, LT-800-072 manual Process Mode, Basic and Expanded Mode, SQ Summary

Listen SQ™ (Super Quiet) - Improving Your Listening Experience

People are accustomed to listening to low noise, high fidelity audio (delivered via CD, DVD, etc.). FM radio systems, such as those made by Listen, have more inherent noise compared to most sound systems. To minimize noise, Listen uses a noise reduction technology called ListenSQ™. Both the transmitter and receiver must have the SQ feature enabled to achieve the desired results. SQ is available on new Listen systems, including the system you received in this shipment. If you are planning to use this product with older Listen systems that do not have Listen SQ, or equipment not manufactured by Listen, you must disable Listen SQ.

Your Listen LT-800 has been shipped to you with the SQ feature enabled. You may need to disable the SQ function for one or more of the following reasons:

1You are using your new Listen LT-800 with older version Listen receivers that do not have the SQ function.

2You are using your new Listen LT-800 with equipment supplied by other manufacturers (Listen is the only manufacturer using SQ Technology).

3You expect that end users will bring and use their own receivers that don’t have the SQ function.

NOTE: See page 8 to enable or disable SQ (Super Quiet).

SQ Summary

•SQ is NOT squelch

•SQ improves noise performance by at least 20dB

•SQ is NOT compatible with older version Listen products

•SQ is NOT compatible with other manufacturers’ products

•To work properly, SQ must be enabled for both the transmitter and receivers

•SQ can be disabled to permit operation with older Listen products or other manufacturers’ products

Listen SQ™

Process Mode

Process mode is used for Audio Gain Control (AGC). With the process mode enabled, the LT-800 will automatically adjust for inconsistent signal input levels by raising or lowering the signal level accordingly to provide a consistent sound output level. This feature should be used in applications where a consistent sound level is important and the input levels vary substantially. Typically you would not want to engage the Process Mode when a speaker’s emphasis is critical to the message they are conveying.

Basic and Expanded Mode

In the default Listen channel mode, only the most commonly used channels are available. This is called “Basic Mode”. When the LT-800 is in Basic Mode, “L/O” (lock-out) will be displayed on the LCD, meaning some transmission channels are unavailable. If the channel needed is not available in Basic Mode, access to all transmission channels is achieved in “Expanded Mode”. To access Expanded Mode press and hold the channel select “down” button while powering on the unit. To return to Basic Mode, repeat the same process of powering on the unit while holding the “down” button.

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