KRF KRF-688 Wireless Tire Pressure Monitoring System User Manual

About this manual

This manual explains how to install and operate the KRF-688 wireless tire pressure monitoring system. It includes steps for mounting the display unit and sensors, setting tire pressure values, and interpreting warning and alarm indicators based on pressure and temperature thresholds. The system alerts the driver with backlight colors and audible alarms when tire conditions are abnormal.

What's inside

• System Installation
• Tire Sensor Installation
• System Operation
• Display Functions
• System Alarm
• Power ON/OFF
• Temperature/Pressure Switch
• Pre-check Tire Pressure
• Set Pressure Stand Value
• Tires Re-position

Frequently asked questions

What happens when tire pressure is below 15% of the set value?

The display turns yellow backlight and beeps every five minutes.

What happens when tire temperature reaches 85°C?

The display turns red backlight and beeps every minute.

How do you turn the main unit on or off?

Press the button to turn on; press and hold for over 2 seconds to turn off, hearing two beeps.