Flightcom F20 Installation & Operation Manual

MODEL F20

Light Weight Aviation Stereo Headset

INSTALLATION/OPERATION MANUAL

Flightcom is a registered trademark of Flightcom Corporation.

Specifications subject to change without notice. ©2005 Flightcom Corporation.

Flightcom Corporation

7340 SW Durham Road, Portland, OR 97224 USA

www.flightcom.net • Phone: [phone] • Fax: [phone]

600-0043-00 Rev D.

This unit includes the following:

• F20 Light Weight Aviation Stereo Headset (part number: 111-0144-00)

• 1 Pair of Foam Earplugs (part number: 103-0004-00)

• Mic Muff and O-ring, small (replacement part number, available in 3-pack
only: 103-0607-21)

Three-Year Headset Limited Warranty to Original Purchaser

Flightcom Corporation warrants to the original purchaser of this product that it will be
free from defects in materials and workmanship, under normal and proper use, for the
period of three years from date of purchase. Flightcom Corporation will repair or
replace, at its sole option, any parts showing factory defects during this warranty period,
subject to the following provisions. This warranty applies only to a new product which
has been sold through authorized channels of distribution. All work under warranty
must be performed by Flightcom Corporation. All returned products must be shipped
to our address, freight prepaid, accompanied by a dated proof of purchase. SAVE
YOUR SALES SLIP! The purchaser voids this warranty if he, she or others attempt to
repair, service or alter the product in any way. This warranty does not apply in the event
of accident, abuse, improper installation, unauthorized repair, tampering, modification,
fire, flood, collision or other damage from external sources, including damage which
is caused by user replaceable parts (leaking batteries, etc.). This warranty does not
extend to any other equipment or aircraft to which this product may be attached or
connected. The foregoing is your sole remedy for failure in service or defect. Flightcom
Corporation shall not be liable under this or any implied warranty for incidental or
consequential damages, nor for any installation or removal costs or other service fees.
This warranty is in lieu of all other warranties, express or implied, including the warranty
of merchantability or fitness for use, which are hereby excluded. To the extent that this
exclusion is not legally enforceable, the duration of such implied warranties shall be
limited to three years from date of purchase. No suit for breach of express or implied
warranty may be brought after three years from date of purchase.

Questions?...Call TOLL-FREE 1-800-432-4342

Additional Accessories

You may purchase separately the following accessories:

• Push-To-Talk (PTT) Switch (part number: 103-0604-00)

• Replacement Foam Ear Pads (part number: 310-0741-00)

• Replacement Ear Plugs (part number: 103-0004-00)

• Mic Muff and O-ring, small (qty. 3) (part number: 103-0607-21)

Installation/Operation Instructions

To set-up the headset:

1.Insert the larger headset plug into the aircraft or intercom headphone or
phone jack.

2.Insert the smaller headset plug into the aircraft or intercom microphone or
mic jack.

3.If you are using a stereo intercom, set the headset stereo/mono switch (on the
side of the headset opposite the microphone boom) to S; if you are using a
mono intercom, set the headset stereo/mono switch to M.

4.Adjust the headband sliders and microphone boom for proper fit and comfort.

5.Place the microphone 0-1/8 inch from your lips at the side of your mouth with
the flat side facing outward.

6.Rotate the headset volume control (on the side of the headset opposite the
microphone boom) fully clockwise to the maximum position.

Push-To-Talk Switch

If the aircraft does not have a built-in push-to-talk switch, you must install a portable
PTT switch to use the radio.

Master Gain Control

The master gain control, located in the aircraft radio, should be optimized by a com­petent avionics technician whenever adding a new model microphone to the system.

Specifications

Headset

Sensitivity 97 dB re .0002 microbar @ 1000 Hz, 1 mW
Frequency Response 50-17,000 Hz
Impedance 150 ohms
Weight 4.6 oz.
Shielding Mic HI shielded by mic ground

Microphone

DC Bias Supply 8 to 16 volts, not polarity sensitive
Source Resistance 220 to 2200 ohms
Output Voltage 370 mV @ 114 dB spi re .0002 microbar
Frequency Response 300-5000 Hz
Max. Ambient Noise Level 110 dB spl re .0002 microbar
Weight 0.2 oz.

CAUTION: Be certain the jacks installed in the aircraft are wired correctly to accom­modate the headset plug configuration. Bias voltages supplied to the microphone
must come from voltage and resistance ranges specified above. Voltages supplied
from other sources can cause microphone failure. The microphone audio signal is
present between the ring and barrel of the microphone plug; the tip is reserved for
the transmit keyline.

Volume control

Stereo/Mono switch