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USER MANUAL 

Summary of Contents for Vento

Page 1: ...USER MANUAL ...

Page 2: ...fore 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 Figure 1 Quha Vento ...

Page 3: ...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 5 2 3 4 6 1 Figure 2 ...

Page 4: ... 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 11 7 8 9 10 Figure 3 12 13 ...

Page 5: ...battery slot cover by pushing it onto Vento 4 Mount Vento to its attachment 5 Connect the 3 5 mm connector plug Figure 2 4 to the device to be controlled with the switch Replacing the Battery 1 Open the battery slot cover Figure 3 13 by carefully lifting both of its edges 2 Remove the old battery and place a new AAA battery in its place observing the correct orientation 3 Insert the flexible attac...

Page 6: ...res of Vento The switches are located under the battery slot cover The switches can be set using a flathead screwdriver included in the sales package Sensitivity switch changes the sensitivity of the puff sensor Off Low sensitivity On High sensitivity Buzzer switch turns the switch buzzer sound indicator on and off Off Buzzer sound off On Buzzer sound on High sensitivity setting can be used when f...

Page 7: ...ed Therefore it is necessary to position the sensor so that the air flow can reach it The flexible sensor arm is adjusted so that the sensor is located in front of the user s mouth at a comfortable distance A typical distance is 1 5 cm 0 4 2 inch Try different positions to find the one most suitable for you Because the air flow strength varies greatly between users it is possible to find a good po...

Page 8: ...h activation Talking creates an air flow similar to puffing into the sensor and the sensor picks this up A good way to prevent random switch activation created by talking is placing the puff sensor in front of the chin slightly lower than the lower lip Another way is to increase the distance between mouth and the sensor If the puff sensor rubs the user s clothing or skin this may be picked up by t...

Page 9: ...tery Easily replaceable AAA battery battery life up to 2 years depending on use and battery type Mounting UNC thread camera mount Output 3 5 mm audio plug mono Opto isolated normally open NO output load current up to 100 mA isolation 1500 VRMS Operating temperature From 10 C to 35 C from 50 F to 95 F Storage temperature From 0 C to 45 C from 32 F to 113 F ...

Page 10: ...an Compliance The manufacturer of this product confirms that this product complies with the European Union regulations for safety health environmental and consumer protection FCC Compliance This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received i...

Page 11: ... may cause damage to the product Store your device only on flat surfaces Do not drop or shock the product as it may be damaged Follow all instructions in the user guide to ensure the longest lifespan of your device Damage or poor performance caused by failure to follow warnings and instructions can void your manufacturer s warranty Do not store your device near magnetic fields Your device may malf...

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 ...

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