Yyk525 User Manual Exclusive [work]

Calibrate when accuracy drifts or after environmental changes.

The official trouble-shooting guide covers "No power" and "No signal." This exclusive section covers the errors that the manufacturer won’t explain.

: Pull the earbud out from the portable charging compartment. Peel away the plastic protective film covering the brass charging contact points. yyk525 user manual exclusive

: Press and hold the switch button for 1–3 seconds to power on; hold for 5 seconds to power off.

Once connected, the headset indicator light will go off. The voice prompt will say "Connected". Note: If a password is required, enter 0000. 4. Control Functions (MFB Button) Answer Call: Click the MFB once. Hang Up Call: Click the MFB once during a call. Reject Call: Long press the MFB for 2 seconds. Play/Pause Music: Click the MFB once. Peel away the plastic protective film covering the

This write-up is a draft based on model naming conventions. For an accurate manual, please confirm the actual product category (scale, timer, PID controller, etc.) and any specific features.

Avoid using the headset in areas with high electromagnetic interference. 7. Safety Precautions disassemble the unit to prevent damage. The voice prompt will say "Connected"

为了保证连接最顺畅，请遵循以下步骤进行“独家专属”配对：