GDD Instrumentation TDLV Instruction Manual page 32

Select the mode.
Here are the different modes you can use:

Arithmetic
Windows: 20
Delay (ms): 240
Timing (ms): 2000
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80

Semi logarithmic
Windows: 20
Delay (ms): 40
Timing (ms): 2000
40, 40, 40, 40, 40, 40, 80, 80, 80, 80,
80, 80, 80, 160, 160, 160, 160, 160, 160, 160

Logarithmic
Windows: 4
Delay (ms): 160
Timing (ms): 2000
120, 220, 420, 820
Instrumentation GDD Inc. 2018-09-18 Page 32