Way Radio - Cardo Systems PRO1 User Manual

Level Dependent/ Hear through microphones
Function
Hear through Microphone Right Bias
Hear through Microphone Left Bias
Hear through Microphone Right
Current source
Hear through Microphone Left Current
source
Hear through Microphone Right inline
resistance
Hear through Microphone Left inline
resistance
Hear through Microphone Right
Single ended input signal 0dB gain**
Hear through Microphone Left Single
ended input signal 0dB gain**
Hear through Microphone Right
Single ended input signal 40dB gain**
Hear through Microphone Left Single
ended input signal 40dB gain**
*1KHz Sin wave for Load of 32ohm and THD<=-40dB, No AGC.
** 1KHz Sin wave, THD<=-40dB.

2 Way Radio

Function
PTT output to Jack Pin1 - to BT
(loopback)
PTT output to Jack Pin1 - to
Speakers
PTT input to Jack Pin3*
PTT to Jack pin2 High
PTT to Jack pin2 Low
In/Out
Pin signal
J2 pin 3
O
J1 pin 4
J2 pin 3
I
J1 pin 4
J2 pin 3
I
J1 pin 4
J2 pin 3
I
J1 pin 4
J2 pin 3
I
J1 pin 4
Pin Digital
state
J1 pin 6 NA
J1 pin 6 NA
J1 pin 11 NA
to J1 pin 7
J1 pin 9 weak
pull up
Min Typ Max
1.7 1.8
2 3
89
1.3 1.4
0.02 0.03
In/Out Min Typ
signal
I 1.5
I 1.5
O 1.5
I 2
Unit Note
V
mA
ohm
Single
Vp-p ended
signal
Single
Vp-p ended
signal
Max Unit
1.6 Vp-p
1.6 Vp-p
1.6 Vp-p
V
0.4 V
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