Sight selection is based on technical capabilities of the product and application based experience. The notes included are based on the signalling products NHP distribute and should be only used as a guide to sight selection and will not necessarily be applicable to all sight and sound products that NHP promote.
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The advice given regarding sound selection is based on technical capabilities of the product and application based experience. The notes included are based on the signalling products NHP distribute and should be only used as a guide to sound selection and will not necessarily be applicable to all sight and sound products that NHP promote.
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