Altitude measurements
Trouble
Causes and Solutions
Cannot measure
If the indicator hand is pointing to E, there is not enough battery power
remaining to perform measurements.
Charge the watch until the remaining battery level is 2 or higher.
U
“Charging the watch” on page 38
If the indicator hand is pointing to
, the watch is set to In-flight mode.
Release In-flight mode on the watch.
U
“Setting In-flight Mode” on page 33
If the small second hand points to N after pressing the C button, an error
may have occurred in the pressure sensor.
If this continues to occur, contact your local dealer or TRUME customer
support.
U
“Contact Information” on page 112
There is a discrepancy
between the measurement
results and actual altitude
Measurements performed at
the same location do not
match
If the atmospheric pressure changes due to weather conditions or the
temperature at the measurement location, the measurement results
may differ.
Correct the altitude.
U
“Notes on Measuring Altitude” on page 73
U
“Calibrating the Altitude” on page 78
MB52 (TR-MB5) User’s Guide
Troubleshooting
98
Summary of Contents for TR-MB5
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