Connections
F
Firmware update connector USB-A (Do not use for charging, this will prevent UPL24 from
working correctly)
T
Toslink 44-96 kHz optical digital output
PB
Push button for use with firmware update
5V
USB-A 5V DC 1A charger input
ON/OFF
ON = Battery connected to UPL24 but completely disconnected from charger
OFF = Battery disconnected from UPL24 but connected to charger
UPL24 USER GUIDE
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