RCA BR200D-U1 Service Manual page 12

（13） CTCSS(67.0Hz) deviation
（14） CTCSS(254.1Hz) deviation
（15） Battery warning level
（16） RX Sensitivity
（17） RX squelch 9 open level
（18） RX squelch 9 close level
（19） RX squelch 1 open level
（20） RX squelch 1 close level
（21） RSSI(-120dBm)
（22） RSSI(-70dBm)
（23） TX Low Voltage
Firmware Upgrading Mode
The radio is equipped with an internal FLASH ROM, it can be upgraded if required.
1. Connect the radio to the PC with a proper programming cable, then power on the radio.
2. Run computer programming software.
3. Select the right "com port" and suitable Baud Rate you connected and the upgrading
firmware and then click on "E.P" to start downloading.
4. Turn off the radio and exit the programming software.
BR200D-U1/BR300D-U1 Service Manual
12