Multi-function indicator RX-4 Koso

Multifunction RX-4 Koso gauge.

Technical specifications

Speedometer

• R: 0 - 225 MPH / 0 - 360 km/h
• U: 1 MPH or km/h 

Odometer (internal and external)

• R: 0 - 999,999 miles (km)
• U: 1 mile (km)

Odometer 1, 2

• R: 0 - 9,999.9 miles (km)
• U: 0.1 miles (km)

Fuel consumption

• R: 0 - 999 miles (km)
• U: 0.1 mile (km)

Oil maintenance

• R: 300-10,000 miles (500-16,000 km), OFF
• U: 100 miles (km)

- The value will decrease automatically
- Warning range: The text will turn red as the value reaches 0 mile (km) and below.

Maximum speed record

• R: 0 - 225 MPH / 0 - 360 km/h
• U: 1 MPH or km/h (alternative)

Gear indicator

• R: N, 1 - 6

Max. gear indicator

• R: N, 1 - 6

Tachometer
R:

• - 0 - 10,000 RPM
• - 0 - 12,500 RPM
• - 0 - 15,000 RPM
• - 0 - 18,000 RPM

Shift light
R:

• - 1000 - 10,000 RPM
• - 1000 - 12,500 RPM
• - 1000 - 15,000 RPM
• - 1000 - 18,000 RPM

U:

• - 100 RPM

Max. RPM
R:

• - 0 - 10,000 RPM
• - 0 - 12,500 RPM
• - 0 - 15,000 RPM
• - 0 - 18,000 RPM

Overheating warning Setting A, B

• R: 60 - 250 °C (140 - 482 °F), when the set value is reached, the number color turns red and blinks.
• U: 1 °C (°F)

Max. temperature A, B record

• R: 0.0 - 250.0 ˚C (32.0 - 482.0 ˚F), can be reset manually.
• U: 0.1 ˚C (˚F)

Fuel counter

• R: 6 levels
• U: 1 level = 16.6

Fuel warning setting

• R: 0 - 3/6, when the set value is reached or below, the warning light will turn on.
• U: 1

A/F ratio gauge

• R: 12.1 - 17.5
• U: 0.1

Fuel gauge resistance (Ω)

• R: 100 Ω, 250 Ω, 270 Ω, 390 Ω, 510 Ω, 1200 Ω, SW, learning mode, OFF

Clock

• R: 12 H or 24 H format

Voltmeter

• R: DC 8.0 - 18.0 V
• U: DC 0.1 V

Low voltage warning

• R: DC 8.0 - 13.0 V
• U: DC 0.1 V
• D: LO ≤ value, the numbers will turn red and flash.

High voltage warning

• R: DC 13.1 - 18.0 V
• U: DC 0.1 V
• D: HI value ≥, the numbers will turn red and flash.

Target speed

• R: 0 - 225 MPH (0 - 360 km/h)
• U: 5 km/h (MPH)

Target distance

• R: 1/32 - 30/32 mile (50 - 1,500 m)
• U: 1/32 mile (50 m)

Maximum speed

• - Speed: 0 - 225 MPH (0 - 360 km/h)
• - Distance: 0 - 999 m (0-3,280 ft)
• - RPM 0 - 10,000 RPM/ 0 - 12,500 RPM/ 0 - 15,000 RPM/ 0 - 18,000 RPM
• - Time: 0 -9 : 59"99

Bluetooth connection status
Operating system:

• - iOS: iOS 5.0 and above
• - Android: Android 9 and above

Phone Battery

• A: 3 segments

Incoming call

• - Name or number up to 12 letters
• - "..." appears if > 12 letters
• - "Unknown" is displayed when there is no name
• - iOS - displays the name or the number of the incoming call
• - Android - only displays the number

Incoming call from the online app

• - Name up to 12 letters
• - "..." is displayed if > 12 letters
• - "Unknown" is displayed when there is no name

App

• LINE, WeChat, WhatsApp

Operating system:

• ■ iOS: supported
• □ Android: not supported

Wallpaper

• R: Auto (automatically changes according to the light: Day mode display for a bright environment and Night mode display for a dark environment), Day Mode, Night Mode.

Backlight brightness (Day)

• R: 1/5 (darker) - 5/5 (brightness)

Backlight brightness (night)

• R: 1/5 (darker) - 5/5 (brightness)
• Backlight color
• R: blue, green, orange, white

Indicator lights

• ABS / Left turn signal / Check engine / Composite warning light / Neutral / High beam / Right turn signal / Engine oil (maintenance) /

Effective temperature range

• -4 - 185 °F (-20 - 85 °C)

Storage temperature

• -30 - 90°C

Operating voltage

• 12 V DC

Assembly instructions