31
Subject to change without notice
C o n t r o l s a n d d i s p l a y
26
BIAS /
(Pushbutton)
Enables or disables DC Bias output; erases the last cha-
racter entered when entering numeric values.
27
TRIG / UNIT
(Pushbutton) – Triggers a measurement in the
manual trigger mode; selection of a unit.
28
AUTO / 6
(Pushbutton) – Selection of the automatic measure-
ment function; numeric key 6 when entering numeric para-
meters.
29
M / –
(Pushbutton) – Selection of the measuring function
‘Mutual Inductance‘ M (only with or input of character ‘–‘
when entering numeric parameters.
30
R-Q / 5
(Pushbutton) – Selection of the measurement
function ‘Resistance‘ R und ‘Quality factor‘ Q; numeric key
5 when entering numeric parameters.
31
N-
Θ
/ .
(Pushbutton)
Selection of the measurement function ‘Turn ratio‘ N and
‘Phase angle‘
Θ;
input of sign
“.“ when entering parame-
ters.
32
C-R / 4
(Pushbutton)
Selection of the measurement function ‘Capacitance‘ C
and ‘Resistance‘ R; numeric key 4 when entering numeric
parameters.
33
G-B / 0
(Pushbutton)
Selection of the measurement fucntion ‘Conductance‘ G
and ‘Susceptance‘ B; numeric key 0 when entering numeric
parameters.
34
C-D / 3
(Pushbutton) – Selection of the measuring function
‘Capacitance‘ C and ‘Dissipation factor‘ D; numeric key 3
when entering numeric parameters.
35
R-X / 9
(Pushbutton) – Selection of the measuring function
‘Resistance‘ R and ‘Reactance‘ X; numeric key 9 when en-
tering numeric parameters.
36
L-R / 2
(Pushbutton) – Selection of the measuring function
‘Inductance‘ L and ‘Resistance‘ R; numeric key 2 when
entering numeric parameters.
37
Y
-
Θ
/ 8
(Pushbutton) – Selection of the measurement func-
tion ‘Admittance‘ Y and ‘Phase angle‘ Q (Sonderzeichen);
numeric key 8 when entering numeric parameters.
38
L-Q / 1
(Pushbutton)
Selection of the measurement function ‘Inductance‘ and
‘Quality factor‘ Q; numeric key 1 when entering numeric
parameters.
39
Z-
Θ
/ 7
(Pushbutton)
Selection of the measurement function ‘Impedance‘ Z and
‘Phase angle‘
Θ
; numeric key 7 when entering numeric
parameters.
40
DISPLAY MODE
(Pushbutton)
Toggles the display: measurement value with / without
parameters.
41
RECALL / STORE
(Pushbutton)
Save and recall of instrument confi gurations (10 memo-
ries)
42
REMOTE / LOCAL
(Pushbutton)
The REMOTE LED is lit when the instrument is operated via
interface
47
. Return to local by depressing the the LOCAL
switch is possible, provided the instrument is not in local
lockout state.
43
Ground
(4 mm socket)
Ground connector ( ). The socket is directly connected to
the mains safety ground!
Rear panel
44
TRIG. INPUT
(BNC socket)
Trigger input for external triggering
45
BIAS FUSE
(Fuse holder)
Fuse for external voltage input ext. BIAS
46
ext. BIAS
(4 mm safety sockets)
External bias input (+, –)
47
INTERFACE
Dual Interface USB/RS-232 (galvanically isolated) for remote
control, optional GPIB (HO880)
48
HANDLER INTERFACE
(25 pin D-Sub socket)
Output to synchronize timing with an external handler (Op-
tion HO118)
49
POWER INPUT
(Power Cord Receptacle)
47
48
45
44
49
46
