Input Commands; Gain Commands; Icpl(?) {I; Inpz(?) {I - Stanford Research Systems SR446 Operation And Service Manual

18

2.3.5 Input Commands

ICPL(?) {i}

Example:

INPZ(?) {i}

Example:

2.3.6 Gain Commands

UNIT(?) {i}

Example:

GAIN(?) {i}

Example:
The two input commands provide remote program control corresponding
to the front‑panel INPUT SETUP section (§1.2.1).
Input Coupling
Sets (or queries) the input coupling mode.
0 1 2
i =
(DC), (AC), or
»ICPL 1
Input Impedance
Sets (or queries) the input impedance.
1
0
i =
(500 Ω ), or (50 Ω ).
»INPZ?
1
The two gain commands provide remote program control corresponding
to the front‑panel GAIN section (§1.2.2).
Display Units
Sets (or queries) the gain display units.
0 1
i =
(dB), or (V/V).
»UNIT?
0

Gain

Sets (or queries) the amplifier gain.
0 1 2
i = ( + 2 dB),
(0 dB),
»GAIN 12
Sets the gain to + 24 dB
SR446 400 MHz Programmable Gain Preamplifier
(GND).
20
( + 4 dB), ..., ( + 40 dB).
2 Remote Operation