GTR 200 Installation Manual 190-01553-00
Page 4-4 Rev. B
4.6 Headset Audio
Headset audio outputs
4.7 Music Inputs
The music inputs are noise rejecting and have a nominal input impedance of 600 Ω. The max. rated input
level is 1.5 Vrms. The MUSIC LO must be connected to the music source along with MUSIC RIGHT and
MUSIC LEFT. If MUSIC LO is not connected, music volume will be low (or inaudible), noisy, and
distorted.
4.8 Receiver Audio
RECEIVER AUDIO OUT is a 40 mW audio output that is intended to drive a recording device or an audio
panel.
RECEIVER AUDIO OUT supplies 40 mW (4.9 Vrms) into a 600 load, and is generally connected to the
audio panel (if used). This output can also drive a recording device. When driving a recording device the
output level will typically need to be reduced. The output level is controlled through configuration mode.
RECEIVER AUDIO OUT is the summation of the receiver audio, COM sidetone audio, intercom audio,
and AUX audio.
Pin Name Pin I/O
PILOT HS RIGHT
13 Out
PILOT HS LEFT
14 Out
PILOT HS LO
33 --
COPILOT HS RIGHT
11 Out
COPILOT HS LEFT
12 Out
COPILOT HS LO
30 --
Pin Name Pin I/O
MUSIC IN RIGHT
18 In
MUSIC IN LEFT
19 In
MUSIC LO
37 --
Pin Name Pin I/O
RECEIVER AUDIO OUT HI 10 Out
RECEIVER AUDIO LO 29 --