B&G H2000 Pilot *DISCONTINUED* - Manual (Page 216)

h2000 User Manual
216 HB-0845-06
c. Mid-water echoes. When outside the range of the
depth sounder it is possible that random depths
are displayed due to mid-water echoes from
shoals of fish or aeration layers.
6.4 PERFORMANCE UNIT
The Performance Unit contains the NMEA and RS232
interfaces and also calculates the performance related
functions.
6.5 ERROR MESSAGES
Following is a list of error messages output on the displays:
Er01 Error detected reading the analogue to digital
converter on the depth sounder board. This
can be an indication of a fault on the board or
that the sea water temperature or the compass
signals are outside their normal range. Try
disconnecting the sensors in turn.
Er02 Error detected when writing to the analogue to
digital converter on the depth sounder board.
This can indicate the same problems as Er01.
Err.3 Syntax or parity error on received NMEA
data.
Err.4 Checksum error on received NMEA 0183
data.
Err.5 Polar table wind speed values are disordered,
see Chapter 2 - Operating Information.
Err.6 There are duplicate non-zero wind speed
values in the Polar Table, Chapter 2 -
Operating Information.