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Table 4-7. Host port commands (Continued)
Command
Description
Sets the starting frequency. Send four bytes,
5
least significant byte first, representing the
starting
frequency
starting frequency value in Hertz.
Note: This command is invalid when the unit
• The value must be greater than or equal
• For example, enter 2000000
Read back with command 135. See also
"Frequency Limits" on page
Resets tuning parameters to factory defaults.
7
Send 1 byte to select the setting:
reset tuning
parameters
• 0 = Keep current settings
• 1 = Factory defaults
Specifies the frequency rate of change. Send
11
two bytes, least significant byte first,
frequency
rate of
representing the frequency rate of change in
change
seconds.
• Accepts a value of 5 to 1000 (0.005 s to
Read back with command 141. See also
"Frequency rate of change (ms)" on
page
Sets regulation mode. Send one data byte,
12
indicating the desired mode:
set
regulation
• 2 = Forward power regulation
mode
• 3 = Load (delivered) power regulation
Read back with command 132.
5705211-C
is in center frequency mode.
to the value set by command 3
(minimum frequency) and less than or
equal to the value set by command 4
(maximum frequency).
(2,000,000 Hz).
5-14.
1.000 s, decimal is implied)
5-15.
Communication Interfaces
HFV 8000 Generator
Number of
Number of
Host Data
Response
Bytes
Data Bytes
4
1
CSR only
1
1
CSR only
2
1
CSR only
1
1
CSR only
4-21
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