L
First function: to increase the flashing parameter being displayed. To move about the
list of interval insulation measurements, in the R(t) function.
M
Second function: to decrease the flashing parameter being displayed. To move about
the list of interval insulation measurements, in the R(t) function.
If the L and M buttons are held down, the movement between parameters is fast.
I I I I I C.A 6543 Only
MEM
First function : to save measured values
MR
Second function: to recall saved data (this function is independent of the rotating
switch position)
PRINT
First function: for the immediate printing of measurement results
PRINT
Second function: for printing of memory contents
MEM
Back-lit liquid crystal display
2.1.2
C.A 6543 only
Mains plug (direct operation on AC network/ battery recharge)
RS 232 serial INTERFACE male plug (9 pin) for connection to a PC or printer
Note : The battery compartment (C.A 6541) or the rechargeable battery compartment (C.A 6543) is
situated inside the unit casing.
2.2
Display
37