Description Commentator Unit KTK4
Figure 1 key panel front with vox lighting for talkback
A talkback key A separate for commentator 1+2, interrupts
respective ON AIR output COM1+2, lighting
B talkback key B separate for commentator 1+2, interrupts
respective ON AIR output COM1+2, lighting
C talkback key C separate for commentator 1+2, interrupts
respective ON AIR output COM1+2, lighting
D ON AIR key with flap, activates respective ON AIR output
COM1+2 with lighting
Figure 2 connector field for phones and microfones with gain control for mic
E Stereo jack 6,3mm PHONES for headphones or headset
F MIC XLR connector for dynamic or condenser microfone,
phantom power +48V can be switched off
G GAIN control for MIC input 20-80dB sensitivity
G1 LED for GAIN, is blinking if MIC is amplified to +6dBu,
<+6dBu = off, >+6dBu lighting without blinking
Figure 3 control field above, for phones stereo mix, separate for 2 people
H PHONES 1+2 control A left and right for XLR input A,
stereo base is free to choose
I PHONES 1+2 control B left and right for XLR input B,
stereo base is free to choose
J PHONES 1+2 control C left and right for XLR input C,
stereo base is free to choose
K PHONES 1+2 control PROG left and right for XLR input PROG,
stereo base is free to choose
L PHONES 1 control SIDE TONE for Commentator 1,
for MIC input COM1, stereo base is fixed left
PHONES 2 control SIDE TONE for Commentator 2,
for MIC input COM2, stereo base is fixed right
L1 PHONES 1 control COM2+3 for Commentator 1,
for MIC input COM2+3, stereo base is fixed left
PHONES 2 control COM1+3 for Commentator 2,
for MIC input COM1+3, stereo base is fixed right
Figure 4 connector field rear
M XLR socket A, talkback input +6dBu, XLR plug A,
talkback output +6dBu
N XLR socket B, talkback input +6dBu, XLR plug B,
talkback output +6dBu
O XLR socket C, talkback input +6dBu, XLR plug C,
talkback output +6dBu
P XLR plug MIX, mix output +6dBu of all microfone inputs COM1-3
Q XLR socket PROG, programme tone input +6dBu
R XLR plug COM1, ON AIR1 output +6dBu, attached to MIC input COM1
S XLR plug COM2, ON AIR2 output +6dBu, attached to MIC input COM2
T XLR plug COM3, ON AIR3 output +6dBu,
attached to MIC/LINE input COM3
U 25-pin Sub-D plug AUX (optional), multicore connector instead all XLR’s
V XLR plug 2x15V, power supply connector +-15V
W toggle switch 48V/OFF COM1, switches phantom power for
MIC input COM1
X toggle switch 48V/OFF COM2, switches phantom power for
MIC input COM2
Y toggle switch 48V/OFF COM3, switches phantom power for
MIC/LINE input COM3
toggle switch MIC/LINE COM3, switches 40dB damping for
MIC/LINE input COM3 (line sensitivity)
toggle switch ON/OFF COM3, switches off MIC/LINE input COM3
Z toggle switch ON AIR/1+2, couples the interrupt of ON AIR
output COM1+2 by pushing talkback A-C