Ametek 7280 Instruction Manual page 209

n Slope
0 6 dB/octave
1 12 dB/octave
2 18 dB/octave
3 24 dB/octave
When:
a) The fast analog output mode is turned on (FASTMODE 1) and the instrument is
in single or virtual reference mode, or
b) Noise measurement mode is turned ON (NOISEMODE 1)
the selection is according to the following table:
n Slope
0 6 dB/octave
1 12 dB/octave
When the fast analog output mode is turned on (FASTMODE 1) and the instrument
is in dual harmonic or dual reference mode, the selection is according to the
following table:
n Slope
0 6 dB/octave
SRATE[.] [n] Oscillator frequency and amplitude sweep step rate
In fixed point mode, sets the sweep rate in milliseconds per step, and in floating point
mode sets the rate in seconds, according to the following table:
Analog Outputs Mode
NORMAL
FAST
ST Report status byte
Causes the lock-in amplifier to respond with the status byte, an integer between 0 and
255, which is the decimal equivalent of a binary number with the following bit-
significance:
Bit 0 Command complete
Bit 1 Invalid command
Bit 2 Command parameter error
Bit 3 Reference unlock
Bit 4 Overload
Bit 5 New ADC values available after external trigger
Bit 6 Asserted SRQ
Bit 7 Data available
NOTE: this command is not normally used in GPIB communications, where the
status byte is accessed by performing a serial poll.
Appendix F, ALPHABETICAL LISTING OF COMMANDS
(TC ≥ 500 µs)
(TC ≥ 500 µs)
Legal range for n
1 to 1000000 (1 ms to 1000 s)
140 to 1000000 (140 ms to 1000 s)
F-17