CO Line Specifications IP5122-SDC Headset Transmit Level Adjustment
IPT Installation Manual Feb,, 2015 1-21
3. Set the headset transmit level using FB1, FB2 and FB3 as shown in
the table below.
4. Press Hold again.
Headset Transmit Levels
Transmit Level FB1 FB2 FB3 IPT Level ACO Level
Max. (louder) OFF OFF OFF +12 dB +8 dB
ON OFF OFF +8 dB +8 dB
OFF ON OFF +4 dB +4 dB
(Default) ON ON OFF 0 dB 0 dB
OFF OFF ON -4 dB -4 dB
ON OFF ON -8 dB -7 dB
OFF ON ON -12 dB -7 dB
Min. (softer) ON ON ON -16 dB -7 dB