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7.2
Printing modes
There are two modes for printing text:
- trace is interrupted
- trace is overwritten
Interrupting the trace
The text is printed as quickly as possible.
During text printing there is no recording of
the trace on channel 1. The chart speed is
optimised for text printing; it does not agree
with the programmed chart speed.
The time for printing a text is typically
10 — 40sec.
Advantages:
- quick text printing
- minimum blockage of other messages
- text printing also at chart speeds above
360 mm/h
- text printing also when zero chart speed
has been programmed
Disadvantages:
- channel 1 is not recording during text
printing
- the chart speed is altered during text
printing
(time reference of channel 2 and channel
3 traces is no longer correct)
- if pen offset compensation has been
switched on it is switched off during text
printing. After text printing has been
completed, the pen offset compenstion
is switched on again and re-initialised.
7 Text printing
33
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