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SECTION 4
GPIB Interface
Table 4-7.
Model
3930A Trigger
Parameter
Setting
Messages
junction
'RIGGER SOURCE
Prop(ram Code
Header
Parameter
Operation
and Setting Range
Inqx
TRS
NRl
Selects trigger source.
Yes
Range:
0 to 3
0:
Efl
IL
1:
E-C-T 5
2:
3:
Es:
Example:
TRS 2 (triggered by1
of INT
Ye.3
TRIG GEN)
ZMOTE
mGGER
TRG
NRl
Function equivalent
to pressing front panel
Yes
MAN key. Valid only when trigger source is
EXT.
Bust:
Trigger occurs at changes from
TRG 0 to TRG 1.
Gate:
Gate off with TRG 0 and gate
on with TRG 1.
Range:
0 or 1
0:
Trigger inactive (Same as
MAN key off)
1:
Trigger active (Same as MAN
key on)
Example:
TRG 1
IXT mG
IN BNC
iNABLE
m
NRl
Selects whether or not front panel EXT
Yes
TRIG IN connector is enabled in remote
mode. (Enabled when trigger source is EXT
with TRE 1. Always enabled in local; when
the unit returns to remote, the status of the
previous remote mode is placed into effect.
Initial status at power up or when PST code
has been executed is TRE 1.)
Range:
0 or 1
0:
In remote mode, EXT TRIG IN
is disabled
1:
In remote mode, EXT TRIG IN
is enabled
Example:
TREl
NT TRIG GENERATOR
RIG MTE
TN7
NR3
Set internal trigger generator by period.
Range:
l.OEa6 (1~s) to 2.9999E+03
(2999.9s)
Resolution:
1 $s
Example:
TRR l.OE-3 (1x11s)
Yt!S
4-14
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