Retevis RB666 Bedienungsanleitung Seite 5

channel, then radio A will copy the next CTC/DCS.
Note: This function is the function of intercommunication with other brand radios
of same frequency. After the copy CTC/DCS is completed, please restart the
radio, otherwise it will consume power quickly.
1.3 Wireless copy CTC/DCS
If you want to copy all the parameters of the radio A to multiple radios, turn all the
radios (including the radio A) to channel 2 first, turn off these radios, then press
and hold the channel "+" to power on, the blue light flashes slowly (indicates that
the wireless copy function is turned on), Press and hold the radio A PPT to
transmit, after releasing, the red light is on, and when the red light is off, it
indicates that the copy is successful (restart the radios and the copy is
successful).
Note: Wireless copy CTC/DCS is only possible when the radio has the same
model and software version as the radio A.
1.4 Alarm
Set the side button " + / - " of the radio as the remote alarm function in the
software. Press and hold the side button " + / - " on the radio for three seconds to
turn on the emergency alarm function, and press the PTT button to turn off the
alarm function during alarm. Local alarm + remote alarm.
1.5 English voice broadcast channel function
The voice broadcast column of the software reads: None and English.
1.6 VOX
The side button " + / - " of the radio is set to VOX in the software, long press and
hold the side button " + / - " on the radio for three seconds to turn on the VOX
function, and long press the side button " + / - " again to turn off the VOX
function.
Note: The higher the gain level of the VOX, the lower the volume required for
VOX (the gain level can be selected from 0-9).
The longer the VOX delay, the longer the VOX exit time, (VOX delay is divided
into 0.5/1/1.5/2/2.5/3s).
1.7 Scan
Set the side key " + / - " of the radio as the scan function in the software, long
press the side key " + / - " on the radio for three seconds to turn on the scan
function, and long press the side key " + / - " again to close the Scan function.
1.8 Non-standard CTC/DCS
Non-standard CTC/DCS include analog sub-tone CT and digital sub-tone DCS
Analog sub-tone CT can input any analog ctcss between 58-260HZ.
Digital sub-tone DCS can input any digital cdcss between DOOON-D777N and
DO01I-D777I.
1.9 Channel Lock
Set the side key " + / - " of the radio as the channel lock function in the software,
long press the side key " + / - " on the radio for three seconds to turn on the
channel lock function, and long press the side key " + / - " again to close the
channel lock function.
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