Example 4: Using Both Channels Measurement Examples
7-12 PN: 10585-00001 Rev. P ML2437A/38A OM/PM
* These ratios are expressed in either logarithmic or linear terms but the mathematical
calculation is always performed on the linear values. Please refer to the Operation Manual for
further details.
When using the Channel Menu options to change settings such as Units, Resolution,
Min/Max etc. make sure that you are effecting the changes on the correct channel. Change
from channel 1 to channel 2 by using the [CHANNEL] soft key.
A preset will return the power meter back to its default setting i.e. one channel only.
Table 7-2. Input options for the ML2438A
Input Meaning
A Take input from sensor A
B Take input from sensor B
A-B Subtract sensor measurement B from sensor measurement A and
display result on current channel *
B-A Subtract sensor measurement A from sensor measurement B and
display result on current channel *
A/B Divide sensor measurement A by sensor measurement B and display
result on current channel.*
B/A Divide sensor measurement B by sensor measurement A and display
result on current channel.*
External Volts Take input from rear panel BNC, “Input 2, Analog”
OFF Default value – channel is inactive
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