McKesson TRUE METRIX PRO Instruction Manual page 43

Display
If error message still appears, any other error message appears, or
troubleshooting does not solve the problem, call for assistance.
Reason
Broken
Display
WARNING!!
Out of Range
- High Results
> 600 mg/dL
- Low Results
< 20 mg/dL
Action
Do not use meter for testing.
For general questions,
call 1-800-777-4908. For
additional assistance, call
1-800-803-6025.
WARNING!!
Retest with new test
strip. If result is still
"Hi" (High)
"Lo" (Low)
contact Doctor
immediately.
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