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Summary of Contents for Quha Vento
- Page 1 USER MANUAL...
- Page 2 Quha Vento Standalone Puff Switch Welcome to the Quha Vento Standalone Puff Switch. Before you start using your Quha Vento, for the best user experience, please read this manual carefully first. Quha Vento is a generic standalone puff switch. Vento can be used for various purposes such as activating environment control, nurse calls and computer mouse clicks.
- Page 3 Quha Vento Controls and Main Parts 1. Quha Vento main unit 2. Sensor arm 3. Puff sensor 4. 3.5 mm connector plug 5. Connector cable 6. Indicator lights Figure 2...
- Page 4 Quha Vento Controls and Main Parts 7. Back lid bracket 8. Switch (1) for buzzer sound indicator 9. Switch (2) for puff sensor sensitivity 10.UNC 1/4” mounting thread 11.Battery slot for AAA battery 12.Flexible attachment loop 13.Back lid / Battery slot cover...
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Page 5: Installation
Installation Before using Quha Vento there are a few things to do. 1. Select the settings (See Settings on page 6) to be used with Vento. 2. Place a new AAA battery in the battery slot observing the correct orientation. - Page 6 Alternatively, the flexible attachment loop (Figure 3:12) can be used to mount Vento to Quha Vento Headband. Cable tie can also be used to mount Vento. In this case the cable tie is wrapped around the narrowest part of Vento.
- Page 7 Using Quha Vento Quha Vento detects the air flow - puff - coming from the user’s mouth. The puff sensor is located at the end of the sensor arm. The more air flow there is to the sensor, the more accurately the switch can be controlled.
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Page 8: Troubleshooting
Troubleshooting Switch activation is not happening every time when a puff is made Make sure that the sensor arm is positioned close enough to the mouth and that the air flow reaches the sensor. Random switch activation Talking creates an air flow similar to puffing into the sensor and the sensor picks this up. -
Page 9: Technical Specifications
Technical Specifications Dimensions Length 98 mm, width 41 mm, height 26 mm, Vento arm length 220 mm and weight 97 g without battery. Cable length 180 cm. Battery Easily replaceable AAA battery, battery life up to 2 years depending on use and battery type. -
Page 10: Limited Warranty
Keeping Quha Vento Clean As a contactless puff switch, Quha Vento is easy to keep clean. If dust or saliva gets on the plastic surfaces, they can be cleaned with a physiologically sensitive area cleaning agent. Product Disposal When the device has reached its end-of-life it should be recycled as electric and electronic waste. - Page 11 This device is for indoor use only. Do not allow the device to get wet. Any modifications not approved by Quha could void the user’s authority to operate the device. Keep the device clean. Do not clean the device with solvents, toxic chemicals or strong detergents as they may cause damage to the product.
- Page 12 Designed and manufactured in Finland by Quha. www.quha.com Copyright 2021 Quha oy. Quha, the Q-mark and Quha Vento are trademarks or registered trademarks of Quha oy.