Examining the set-up of your NTU
You can use the OPTIONS menu (which is display-only) to examine the
set-up of your NTU. There are six messages:
0: X21/X21 BIS 0: 105 SET ON 0: 106 DELAY
0: 107=108/1 0: 108/1 SET ON NO X21 OPTIONS
If your NTU is set for X21, press the up or down Scroll button to see the
NO X21 OPTIONS message.
Looking at the current status of your NTU
You can use the STATUS menu (which is display-only) to examine the
current operational status of the NTU in its normal state. There are six
messages:
S: LOOP ACTIVE S: NTU NOT READY S: NTU READY
S: SEND DATA S: RECEIVE DATA S: DATA TRANSFER
The NTU display will always revert to one of the messages above when
you press the up or down Scroll button.
Operating guide
8
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