Installer App Quick Start - Device Diagnostics

Updated November 11, 2025 1 min read

Quick Start

  1. Press the Bluetooth button on the UltraSonix device (FM250 or FM350).
  2. Open the WaterCompass Installer App
  3. Connect to the flow monitor using the Installer App. 

Device Diagnostics Video (run time: 2 minutes 17 seconds)

State Machine Event

Event Status

Device State

[9,6,7]

No action required 

[9,6,5]

No action required

Anything else

Call Support for assistance

RSRQ (Reference Signal Received Quality)

Signal Quality (RSRQ)

RSRP Quality Rating

Action Required

0 - 40

Poor

Relocate or extend the antenn

41 - 49

Medium

No action required

50 - 59

Good

No action required

60 - 125

Excellent

No action required

SNR (Signal To Noise Ratio)

SNR (dB)

SNR Rating 

Action Required

0 to 23

Poor

Relocate or extend the antenna

24 to 37

Medium 

No action required

38 to 44

Good 

No action required

45 to 63

Excellent

No action required

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