MIL-DTL-62481A(AT)
EXTERNAL POWER
SOURCE WHEN NOT
CONNECTED TO RADIO SET
COMMANDERS
STATION
508
TO
CVC
CREW
{
CX-4723/VRC
802
TO RADIO
HELMET
801
504
501
CABLE
OR
SET
CONTROL
OR
OTHER
#1
803
804
AUDIO
UNIT
ACCESSORIES
OTHER STATION
TO RADIO
TO
505
503
SET
CREW
CVC
{
802
#2
801
HELMET
CONTROL
OR
OR
OTHER
803
804
AUDIO
UNIT
CX-4723/VRC
DISTRIBUTION UNIT
ACCESSORIES
CABLE
TO
CREW
{
CVC
802
801
HELMET
TO RADIO
CONTROL
OR
506
509
OR
SET
803
804
OTHER
#3
CX-4723/VRC
UNIT
AUDIO
CABLE
ACCESSORIES
TO
CREW
{
CVC
802
801
TO RADIO
511
HELMET
CONTROL
AUDIO
OR
SET
507
OR
INPUT
LINE
803
804
#4
OTHER
CX-4723/VRC
UNIT
AUDIO
{
{IRE
CABLE
ACCESSORIES
W
AUDIO
INPUT
LINE
FROM
AUXILIARY
RADIO
RECEIVER
FIGURE 2. Control unit interface connections.
3.5.2.5 Radio to headset crosstalk. The voltage output at the headset from any
unselected input shall be at least 50 dB below the output from a selected input.
3.5.3 Microphone to headset.
3.5.3.1 Microphone to headset gain. The voltage gain from the microphone input to
headset output shall be 1610 +430 V per V with the headset output terminated into 500 Ω and
input frequency of 1000 Hz.
3.5.3.2 Microphone to headset frequency response. The microphone to headset
frequency response shall be flat +6 dB from 500 Hz to 3000 Hz.
6
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