Auto Default And Calibration; Dual Mode Commands - Ametek 7270 Instruction Manual

Dsp lock-in amplifier
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Chapter 6, COMPUTER OPERATION
PAGE [n]

6.7.14 Auto Default and Calibration

ADF n

6.7.15 Dual Mode Commands

6-36
Front panel display page number
This command sets or reads the "page number" of the display on the instrument, for
example PAGE 1 selects the Main Display. n lies in the range 1 - 11, 21 - 23, and 40
- 89.
Auto Default
The ADF command performs an auto-default operation according to the following
table:
n
Significance
0
All instrument settings are returned to their factory default values
1
All instrument settings, with the exception of the communications settings, are
returned to their factory default values
2
All instrument settings, with the exception of the communications settings, are
returned to their factory default values, except the oscillator amplitude is set to
0 V rms
NOTE: If the ADF 0 command is used when the communications settings are at
values other than their default settings, then communication will be lost.
When either dual reference or dual harmonic modes are selected, some commands
change so that both channels can be controlled independently, as listed in the
following table:
Single Reference or
Virtual Reference mode command
EX
MAG[.]
MP[.]
IE[n]
PHA[.][n]
REFP[.][n]
REFN[n]
SEN[.][n]
SLOPE[n]
IE [n]
SWEEP
TC[.][n]
Dual Reference or
Dual Harmonic mode command
not available
MAG1[.]
MAG2[.]
MP1[.]
MP2[.]
IE1[n]
IE2[n]
PHA1[.][n]
PHA2[.][n]
REFP1[.][n]
REFP2[.][n]
REFN1[n]
REFN2[n] (n = 1 in dual
reference mode)
SEN1[.][n]
SEN2[.][n]
SLOPE1[n]
SLOPE2[n]
IE1[n]
IE2[n]
not available
TC1[.][n]
TC2[.][n]

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