Stanford Research Systems SR844 User Manual page 121

i Key
Time Constant Up
0
1 Time Constant Down
Slope Down (up arrow !)
2
Slope Up
3
4 Sensitivity Up
Sensitivity Down
5
Wide Reserve Up
8
9 Signal Z-In
Wide Reserve Down
10
12 Close Reserve
CH1 Offset Modify
13
CH1 Display
16
17 Ratio
CH1 Expand
18
CH1 Output
19
20 CH1 Offset On/Off
CH1 Offset Auto
21
24 CH2 Display
CH2 Expand
26
CH2 Output
27
28 CH2 Offset On/Off
The shift keys are available by adding 64 to the corresponding standard key codes
i Key
Settle
64
68 Auto Sensitivity
Auto Wide Reserve
74
Auto Close Reserve
76
98 Preset
Clear One
99
Scan Off
100
Setup
i Key
CH2 Offset Auto
29
32 CH2 Offset Modify
Save Settings
33
Recall Settings
34
35 Start/Step
Scan Set
36
Rel Mode
37
40 Store XY
Local
41
42 Setup
Phase
43
+90°
44
45 Phase Zero
Shift
48
Freq
49
50 Ref Z-In
Ref Source
51
57 Aux Out
Key Click On/Off
59
LED Test Mode
60
61 Keypad Test Mode
i Key
Clear All
101
θ
104 Store R[dBm]
Auto Phase
107
108
-90°
113 Precise Freq
2F Mode On/Off
115
IF Frequency
121
SR844 RF Lock-In Amplifier
4-19