HT instruments SIRIUS87 - Manual (Page 8)

SIRIUS 87
EN - 6
2.2. INSTRUMENT DESCRIPTION
1
2
3
DISP
RCL
ESC
SAVE
CLR
START
STOP
FUNC U n /I n
DIST S  U L 
CAPTION:
1. Display
2. Function keys
3. Rotary switch
 FUNCTION key to select one measuring mode.
 U
n
/I
n
DIST key for selection of rated voltage, differential current or
distance depending on which measurement is selected.
 S s key for selection of RCD type (Common or Selective) or to increase
the test duration interval or to scroll the results of the stored tests.
 U
L
t key for selection of contact voltage limit or to decrease the test
duration interval or to scroll the results of the stored tests.
 ON/OFF key. Keep it pressed some seconds for switching off the
instrument.
 START/STOP key to start or to stop tests.
 DISPLAY key to scroll the single and multiple tests (Ex: RCD AUTO)
which have been effected and stored.
 CLEAR key to cancel the stored tests.
 RECALL/ESCAPE key to recall the stored tests (RCL) and leave the
selected function or mode (
ESC).
 SAVE key to save tests.
FUNC
START
STOP
CLR
RCL
ESC
DISP
SAVE
U
n
/I
n
DIST
S s
U
L
t