Troxler Enhanced RoadReader Plus 3451 Manual Of Operation And Instruction page 198

Error! Gauge communication will NOT be possible!
This error can occur if the gauge and the PDA cannot communicate.
Possible causes:
✓ Gauge not turned on.
✓ PDA is not within 4.6 m (15 ft) of the gauge.
✓ Object in the way of the transmitter/receiver.
✓ Check that the PDA is the one shipped with the gauge. Before
leaving the Troxler factory, the transceivers on the gauge and
PDA are programmed with a unique, matching address. The
PDA can only communicate with the matching gauge.
✓ Verify the PDA's Bluetooth communications configuration as
described on page 3–14.
✓ Verify the PDA's ActiveSync configuration as described on
page 3–13.
ERROR! Invalid ABORT Characters.
This error can occur when trying to abort from a process.
Possible causes:
✓ PDA is not within 4.6 m (15 ft) of the gauge.
✓ Object in the way of the transmitter/receiver.
Error! Invalid data received.
This error can occur if a command or data transmitted to the gauge
or received by the PDA is not legal.
Possible causes:
✓ PDA is not within 4.6 m (15 ft) of the gauge.
✓ Object in the way of the transmitter/receiver.
ERROR! Invalid Depth Characters.
This error can occur when trying to recalibrate the depth strip from a
process.
Possible causes:
✓ PDA is not within 4.6 m (15 ft) of the gauge.
✓ Object in the way of the transmitter/receiver.
Model 3451 Appendix C–15