Bi-Focus
User Manual
©
2019 FOXTECH All Rights Reserved
8
Serial Number
1
2
3
4
5
6
7
8
Model
8PIN socket
Types of interface
power interface
power interface
communication interface
communication interface
communication interface
communication interface
communication interface
communication interface
Interface Definition
GND
5V
S/I BUS
TXD4
RXD3
TXD3
DA-
DA+
Features
GND
+5V output
SBUS channels
UART4_Tx(Reserved)
Serial port reception
Serial port transmission
Reserved
Reserved
high(0x06A4(1700)
middle(0x03E8(1000) low(0x012C (300)
YAW
PITCH
middle to low(yaw right
middle to high(yaw right
high and low to middle(yaw stop
middle to low(pitch down
ZOOM
FOCUS
RECORD(CAPTURE
Picture_In_ Picture(Pseudo_Color
Gimbal Mode
Digital ZOOM(Some models support(
middle to high(pitch up
high and low to middle(pitch stop
middle to low( ZOOM -
middle to high( ZOOM +
high and low to middle(ZOOM stop
middle to low( FOCUS +
middle to high( FOCUS -
high and low to middle(ZOOM stop
middle to low(photograph
middle to high(video state switching
middle to low(thermal imager pseudo-color switching
middle to high(PIP switching
middle to low(switch between high speed mode and low speed mode
middle to high(switch between follow mode and lock mode
middle to low( ZOOM +
middle to high( ZOOM -
high and low to middle(ZOOM stop