PCB Layout
5. Gateway audio – Each gateway supports adjustment of the audio volume to/from other
sites. To adjust the audio for a specific channel, you will need to log on to the
gateway’s web site and adjust the RECORD volume.
Adjust Local TX audio:
AC or DC coupling to repeater
: J1 and J2 are three terminal jumpers that control the
signal coupling to the transmitter. J1 sets the audio coupling to the transmitter. When the
audio is AC coupled, a 10-uF capacitor is placed in series with the audio. When the audio is
DC coupled it is biased to 2.5Volts. To AC couple the audio to the repeater, place the
jumper on the J1’s two pins towards the repeater connector (J32). J2 sets the data coupling
to the transmitter. When the LTR data is AC coupled, a 220-uF capacitor is placed in series
with the LTR data. When the LTR data is DC coupled it is biased to 2.5Volts. To AC couple
the TX Data to the repeater, place the jumper on J1’s two pins away from the repeater
connector (J32).
J1 – AC or DC couple TX Audio To Transmitter
J2 – AC or DC couple TX Data To Transmitter
1. Using the TL Control Manager software press the TL-Setup button. The following screen
shot will be displayed.
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