General Aviation 600-3039-00 manual:Layout 1 2/29/12 9:24 AM Page 2
INSTALLATION
Insert the larger plug into the jack marked "headphone" or "phone".
• Insert the smaller plug into the jack marked "microphone" or "mic".
• Set the stereo/mono switch on the cable splitter box to the "M" position.
If connecting to a stereo intercom, set the switch to the "S" position.
• Adjust headband slider and mic boom for proper fit and comfort.
• Place the microphone no more than 1/8" from lips, at the corner of the mouth.
This is critical to the performance of the noise canceling electret microphone.
• Two independent volume controls are provided, one on each ear dome, to adjust
the level of audio. (Single volume on V30SP)
If the aircraft does not have a built-in push-to-talk (PTT) switch, a portable PTT
switch must be installed in order to use the radio. The master gain control located
in the aircraft radio should be optimized by an avionics technician whenever adding
a new model microphone to the system.
HEADSET ADJUSTMENTS
Adjustable
headband
Volume control
Adjustable
Boom
Model
Domes
Ear Seals
Head Band Pad
V90SP
Carbon Fiber ComLeather
V90MPH
1
Thick
w/polar fleece
V70SP
Carbon Fiber ComLeather
w/polar fleece
V50SP
Glossy Black PVC Open
V50MPH
Cell Foam
1
V30SP
Black
PVC Open
Cell Foam
Helicopter headset: uses U174 plug
1
Mic Placement
Place mic no more than 1/8"
from lips. Placement of mic is
critical for proper operation.
Head Band Color
Boom
Wide
Chrome
Precision Flex Heavy Fabric
Low-profile
Black
Precision Flex
Air pillow
Black
Precision Flex
Ventilated
Black
Precision Flex
Low-profile
HEADSET FEATURES
• Passive Noise Reduction by 24dB
• Stereo/Mono switchable
• Noise-canceling electret microphone
• Adjustable Headband
• Flexible mic boom with slide adjustment for accurate mic positioning
SPECIFICATIONS
TECHNICAL SPEC
- Weight ............................................... 17.1oz Avg. (w/o Comm Cable)
- Noise Reduction Rating .........................................................24dB
MICROPHONE
- DC Bias Supply .................................. 8 to 16 volts, not polarity sensitive
- Source Resistance ................................................220 to 2200 ohms
MIL SPEC
- Humidity & Temperature per MIL-STD 810F and 810G
- Chemical Exposure per MIL-STD 810F and 810G
SAE
- Salt Spray per J1455, Sec. 4.3
WIRING DIAGRAM
Caution:
Bias voltage supplied to the
microphone must come
from voltage and resistance
ranges specified above.
Voltages supplied in excess
of those stated in the
specifications can cause
microphone failure and void
warranty. The mic audio
Headset Bag
signal is present between
the ring and barrel of the
mic plug; tip is reserved for
Fabric
transmit keyline.
Vinyl
None
Right
Speakers
Left
Mic.
(Single volume on V30SP)
Right
Speakers
Left
Mic.
Helicopter
6.3 mm Plug
M
S
5.2 mm Plug
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