ZETRON 360 Instrukcja Obsługi Strona 31

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System Components Configuration
31
Jumper Purpose Positions
JP8 External PTT
This jumper determines how audio will be routed when
the external PTT input is activated. Audio is taken either
from the external desk mic input or from the front panel
microphone.
A - Desk mic PTT
B - Front Panel Mic PTT
JP9 Front Panel Speaker
This jumper is used to disable the front panel speaker if
an external speaker is used. The front panel speaker
connector plugs directly onto this jumper in either
position A or B.
A - Enabled
B - Disabled
Figure 6. Location of Jumpers on the Remote Main PCB
To access the keypad PCB, see the top-level assembly drawing in the Troubleshooting
and Repair section.
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