15
Version 3.4
Summator-combiner of NMEA signal (sentences)
NC-217
2.3
I
NTENDED USE
2.3.1
Indication of inputs’ status
When switched on, the Product performs the primary initialization, and then LCD
displays data on the active input channels. LCD represents the data in the following view,
see figure 10.
Figure 10 – Data on the active NC-217 inputs
The top line of LCD displays numbers of active input (output) channels; numbers of
active input channels are displayed on the right. When the Product is receiving NMEA mes-
sages via any channel, the line displays the corresponding number, otherwise, the Product
displays “-”. In a similar way, the bottom line displays status of output channels.
To activate backlight, press
Enter
button. The backlight will automatically switch
on in 3 seconds.
Attention
! Indication of active input channel starts only when the sentence is fully
received. If a checksum test mode is enabled for this input (see cl. 2.3.3), then indication
of activity requires not only full, but also correct reception of the sentence (i.e. calculated
checksum shall comply with the checksum of the received sentence)
2.3.2
Menu structure
Figure 11 shows the structure of the user menu.