Keys - Chauvin Arnoux C.A 6549 Manual De Instrucciones

➀
3 4mm-dia. safety terminals identifi ed as "+", "G", and "-".
➁
Access to the fuse that protects terminal "G".
➂
8-way rotary switch:
 OFF:
 500V - 2T  :
 1000V - 4T  :
 2500V - 10T  :
 5000V - 10T  :
 Adjust. 50V...5000V:
 Adjust. STEP:
 SET-UP:
➃
1 yellow START / STOP key: beginning / end of measurement
➄
8 elastomer keys each having a main function and a secondary function.
➅
1 backlit graphic screen.
➆
1 socket for connection to line power (direct operation on line power and/or battery charging).
➇
1 RS 232 serial INTERFACE male connector (9 pins) for connection to a PC or printer.

2.2. KEYS

8 keys each having a main function and a secondary function:
2nd select the secondary function (indicated in yellow italics below each key).
MODE Primary function: select the desired type of measurement, before an
insulation measurement, or select the current range, during a measurement.
Secondary function: enter the PRINT menu to print measurement results.
PRINT
DISPLAY Primary function: browse through the various screens accessible before,
during and after the measurement.
GRAPH
Secondary function: display insulation resistance versus duration after a
time-limited measurement.
Primary function: select a parameter one step to the right of the current
cursor position (from the end of the line, the cursor jumps to the beginning
of the line).
Secondary function: activate/deactivate display backlight.
Primary function: deselect a selection or move the cursor one parameter
to the left.
T°
Secondary function: enter the TEMPERATURE menu to refer the
measurement to a specifi ed temperature.
switches instrument power off.
insulation measurement at 500 V up to 2 T  .
insulation measurement at 1000 V up to 4 T  .
insulation measurement at 2500 V up to 10 T  .
insulation measurement at 5000 V up to 10 T  .
insulation measurement with adjustable test voltage (from 40 V to
5100 V: 10 V steps from 40 to 1000 V and 100 V steps from 1000 to
5100 V).
insulation measurement with voltage step function (the test voltage
varies in steps).
adjustment of instrument confi guration.
65