Alarms - Chauvin Arnoux C.A 25 Mode D'emploi

Whilst the printout data is being emitted, the PRINT and COM symbols are visible
on the display. When the Scanning function is programmed (see programming in
"Printing interval"), pressing the
printing cycle with the programmed interval. The SCAN symbol lights and remains
lit throughout the scanning operation. PRINT and COM are lit each time data is
output via the RS 232 socket.
A second press on
of the last measurements at this time. SCAN, PRINT and COM are not displayed
at the end of the last output of data to the printer.
It is pressed when no printer is connected, the PRINT symbol remains
PRINT
displayed. To canced the symbol either connect a printer to the C.A 27 or press
again. COM will appear on the display when connection is made and
PRINT
the current measurement will be printed. It is also possible to canced PRINT by
pressing
PRINT
ON/OFF the print function.
ALARMS (C.A 27 only)
The "Alarms" function is only available during measurement.
When the thresholds have been programmed, pressing
detection of the measurement crossing the thresholds.
LO HI
The or symbols, or both, are shown on the display according to the type
AL
AL
of threshold programmed.
Operation is summarised in the table below.
Digital measurement >
Digital measurement <
Digital measurement <
Digital measurement >
If the LO AL value is greater than HI AL, operation is reversed.
The buzzer is set off (2 kHz) in the central zone located between HI AL and LO AL.
PRINT
interrupts the programmed sequence, with output
PRINT
again. Pressing
low threshold
(LO AL)
high threshold No action
(HI AL)
low threshold
high threshold Continuous buzzer at 4 kHz
button starts the measurement
again will alternately switch
PRINT
No action
Continuous buzzer at 1 kHz
Display of
Display of
67
switches on
ALARM
LO
AL
HI
AL