Aviation Headsets Repairs & Upgrades Flackwell Electronics
Aviation HeadsetsRepairs & UpgradesFlackwell Electronics 

Technical Trouble Shooting

Microphone appears to be constantly operating

We often have pilots inform us that the microphone is constantly operating and they can hear engine noise in the background. Otherwise the headset works normally.

This is not normally a fault condition, its usually miss operation of the Squelch Control.

The operation of this control is to advance it till the noise just stops. If advanced too far you will need to shout to open the mic again. It just needs to be at the point where noise stops but the mic should open as soon as you speak. If a little too high it will cut off your first word. This can be difficult to achieve in a very noisey cockpit like a Harvard as engine noise can be louder than your voice!

Sometimes the squelch control is on the radio itself or it can be in the Audio panal or Both.

Sometimes they are wired in reverse and you will need to try it in either position to tell.

Just set it to one extreme and then the other. One will give the constant noise condition. This is position to start. then turn slowly till the noise just stops. Then as soon as you speak the mic should open.

If you have very different Mics between Pilot and Co pilot then this can be a problem as the Squelch level will only be correct for one mic.

Please call us

 

Switchboard = 08443572970

Office = 01296 682126

Fax = 08727430126

Mobile = 07910253970

email = dave@aviationheadsets.co.uk

 

or contact us directly using our contact form

 

Opening Hours

Usually 09.00 to 17.00 hrs Monday to Friday However if you wish to call at the workshop please phone first to make an appointment.

 

Address

Flackwell Electronics

Church Farm

Cublington Road

Aston Abbotts

Aylesbury

Buckinghamshire

HP22 4NB

Airfield Visits

We frequently visit White Waltham EGLM

and Wycombe Air Park EGTB

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