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Source of the ADC reference voltage. Make sure that ADCUREF value is correct.
Type
Size
enum
1 byte
Value
Source
0
AREF
1
AVCC
3
Internal 1.1V
ADCUREF
ADC reference voltage, volts.
Type
Size
float
4 bytes
MAX7456 settings
VMODE
OSD composite video mode. Used only when jumper "PAL" on MinimOSD is not closed.
Value will be applied after OSD reboot.
Type
Size
enum
1 byte
Value
Video mode
0
PAL
1
NTSC
VBRIGHT
OSD character brightness in % of OSD white level.
Value will be applied after OSD reboot.
Type
Size
enum
1 byte
Value
White
Black
0
120%
0%
1
100%
0%
2
90%
0%
3
80%
0%
4
120%
10%
5
100%
10%
6
90%
10%
7
80%
10%
8
120%
20%
9
100%
20%
10
90%
20%
11
80%
20%
12
120%
30%
13
100%
30%
14
90%
30%
15
80%
30%
OSD settings
SCREENS
Usable screens count, 1..8
Type
Size
uint8
1 byte
SWM
Screen switch mode.
Selector - Range of the input channel (SELMAX - SELMIN) divided by screens count SCREENS.
Current screen selected by input channel value.
Toggle - Cycle through the screens when the input channel value is crossing threshold TGTRESH.
Type
Size
enum
1 byte
Value
Mode
0
Selector mode
1
Toggle mode
SWCH
Input channel used for screens switching.
Type
Size
uint8
1 byte
SELMIN
Minimal pulse width of the input channel (usually 1000). Used in Selector mode.
Type
Size
uint16
2 bytes
SELMAX
Maximal pulse width of the input channel (usually 2000). Used in Selector mode.
Type
Size
uint16
2 bytes
TGTRESH
Screen switch threshold, microseconds. Used in Toggle mode. Recommended value is in range 1200 .. 1600.
Type
Size
uint16
2 bytes
Telemetry settings
MINCV
Minimal cell voltage (dead battery), volts. Typical value for LiPo battery is 3.2.
Type
Size
float
4 bytes
NOMCV
Nominal cell voltage, volts. Typical value for LiPo battery is 3.7.
Type
Size
float
4 bytes
MAXCV
Maximal cell voltage, volts. Typical value for LiPo battery is 4.2.
Type
Size
float
4 bytes
LOWCV
Warning threshold, volts. Typical value for LiPo battery is about 3.5.
Type
Size
float
4 bytes
RLT
RSSI low threshold, %
Type
Size
uint8
1 byte
CSIGN
Callsign text, 8 chars max.
Type
Size
str
9 bytes
ADCBattery module settings
ABINT
Update interval, ms.
Type
Size
uint16
2 bytes
ABU1CH
ATmega328p ADC channel for voltage sensor of the flight battery.
Type
Size
enum
1 byte
Value
ADC Channel
ATMega pin
0
0
23
1
1
24
2
2
25
3
3
26
4
4
27
5
5
28
6
6
19
7
7
22
ABU2CH
ATmega328p ADC channel for voltage sensor of the secondary battery.
Type
Size
enum
1 byte
Value
ADC Channel
ATMega pin
0
0
23
1
1
24
2
2
25
3
3
26
4
4
27
5
5
28
6
6
19
7
7
22
ABI1CH
ATmega328p ADC channel for current sensor of the flight battery.
Type
Size
enum
1 byte
Value
ADC Channel
ATMega pin
0
0
23
1
1
24
2
2
25
3
3
26
4
4
27
5
5
28
6
6
19
7
7
22
ABI2CH
ATmega328p ADC channel for current sensor of the secondary battery.
Type
Size
enum
1 byte
Value
ADC Channel
ATMega pin
0
0
23
1
1
24
2
2
25
3
3
26
4
4
27
5
5
28
6
6
19
7
7
22
ABU1F
Voltage factor = Umax / ADCUREF for flight battery.
For example, Umax = 16.8V, ADCUREF = 5.1V, ABU1F = 16.8 / 5.1 = 3.294
Type
Size
float
4 bytes
ABU2F
Voltage factor = Umax / ADCUREF for secondary battery.
Type
Size
float
4 bytes
ABI1F
Current factor = Imax / ADCUREF for flight batetry.
For example, Imax = 90A, ADCUREF = 5.1V, ABI1F = 90 / 5.1 = 17.647
Type
Size
float
4 bytes
ABI2F
Current factor = Imax / ADCUREF for secondary batetry.
Type
Size
float
4 bytes
ADCRSSI module settings
ARCH
ATmega328p ADC channel for RSSI.
Type
Size
enum
1 byte
Value
ADC Channel
ATMega pin
0
0
23
1
1
24
2
2
25
3
3
26
4
4
27
5
5
28
6
6
19
7
7
22
ARINT
Interval between RSSI updates, ms. 200 is good enough.
Type
Size
uint16
2 bytes
ARF
RSSI multiplier = 100 / Umax, where Umax <= ADCUREF.
For example, Umax = 5V, ADCUREF = 5.1, ARF = 100 / 5.0 = 20.0
Type
Size
float
4 bytes
UAVTalk module settings
UTBR
UART bitrate to communicate with FC. Typically is 3 (57600).
Type
Size
enum
1 byte
Value
Bitrate
0
9600
1
19200
2
38400
3
57600
4
115200
UTREL
UAVTalk version release.
Please pay attention to this parameter! Most of the glitches or freezes caused by incorrect UTREL value.
Type
Size
enum
1 byte
Value
Firmware
Version
0
OpenPilot
15.02.02
1
OpenPilot
15.05.02
2
LibrePilot
15.09
3
TauLabs
20151123
4
LibrePilot
16.09-RC1
5
dRonin
2017-02-13.1 "Artifice"
6
dRonin
2017-07-17 "Neat"
UTIHC
Calculate home position by OSD if 1. Useful with CC3D/Atom.
If 0, flight controller defines home position.
Type
Size
bool
1 byte
UTER
Emulate RSSI value based on the receiver connection state.
Type
Size
bool
1 byte
UTAH
Calculate heading based on the flight controller attitude.
Set it to 0 if you want to use mag sensors ot GNSS data.
Type
Size
bool
1 byte
MAVLink module settings
MLBR
UART bitrate to communicate with FC. Typically is 57600.
Type
Size
enum
1 byte
Value
Bitrate
0
9600
1
19200
2
38400
3
57600
4
115200
MLFC
Flight controller type. Useful with Cleanflight MAVLink telemetry: set it to 3 (APM) for
correct display of the current flight mode.
Type
Size
enum
1 byte
Value
FC type
0
Autodetect
3
APM
9
Paparazzi
12
PX4
MLIBL
Calculate battery level by OSD, not by flight controller if set to 1. Setting this option to 1 can
improve accuracy of the battery level calculation.
Type
Size
bool
1 byte
MLBLT
Battery level warning threshold, percents. Used when MLIBL is 0.
Type
Size
uint8
1 byte
MLER
Emulate RSSI level by receiver input channel value. Useful when receiver
has no RSSI level output.
RSSI low level warning will be set if value of the input channel defined
by MLERC becomes lower than MLERT.
Type
Size
bool
1 byte
MLERC
Receiver channel for RSSI emulation. Used when MLER is 1.
Type
Size
enum
1 byte
Value
Input channel
0
Channel 1 (Roll)
1
Channel 2 (Pitch)
2
Channel 3 (Throttle)
3
Channel 4 (Yaw)
4
Channel 5
5
Channel 6
6
Channel 7
7
Channel 8
MLERT
RSSI emulation threshold (minimal pulse width of the input channel), microseconds.
Used when MLERT = 1. Typical value is about 900.
Type
Size
uint16
2 bytes
UBX module settings
UBXBR
UART bitrate to communicate with U-BLOX GPS module.
Type
Size
enum
1 byte
Value
Bitrate
0
9600
1
19200
2
38400
3
57600
4
115200
UBXTO
Connection timeout, ms. Recommended value is 1000.