Stanford Research Systems SR865A, Operation Manual

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82 Operation Chapter 3
SR865A DSP Lock-in Amplifier
black background with white and Monochrome is black and white. Screen shots also
contain the time/date and summary of input parameters.
The Busy LED indicates that the USB stick is busy and should not be removed.
[Blank]
Press the [Blank] key to operate with the front panel display and LEDs off. The SR865A
is still operating, the outputs are active, data collection continues and the unit responds to
interface commands. To change a setting, press [Blank] to return to normal operation,
change the desired parameter, then press [Blank] again.
The Blank LED is lit while the rest of the display is off.
[Config]
The SR865A displays up to 4 channels at a time, in green, blue, yellow and orange. Each
channel is assigned a parameter using the [Config] key. Parameters are chosen from X,
Y, R, θ
(detected), F
int
, F
ext
, Reference Phase, Sine Amplitude, DC Level, any Aux Input
or Output, Xnoise, or Ynoise .
Highlight one of the channel’s Display tile, then select a parameter from below to assign
it to the channel.
Displayed parameters can be re-assigned at any time. Data is being stored for all
parameters all of the time.