Programming Guide – 50
Table 8: Valid Multipliers
Multiplier
Value
EX
1E18
PE
1E15
T
1E12
G
1E9
MA
1E6
K
1E3
M
1E-3
U
1E-6
N
1E-9
P
1E-12
F
1E-15
A
1E-18
For example, for the wavelength command that has a base unit of meter (m), the following
message formats are valid:
:INPUT:WAVELENGTH 1200NM
:INPUT:WAVELENGTH 1.6e-06 M
:INPUT:WAVELENGTH 1.4e-09 KM
The following message formats are not valid:
:INPUT:ATT 50 NDB
:OUTP:POW 10 mdBm
Response Formats
When a query is sent to the attenuator, the attenuator returns a response message.
• Response messages are terminated by the sequence <LF>. If the response is being sent
through the GPIB, the EOI is set true when the last character in a response is sent.
• A response message is generated for each query in a program message. Each response
message is separated from the next by a semicolon. For example, if the total attenuation is
set to 10 dB and the wavelength is set to 1550 nm, the program message
:INP:ATT?;WAV? returns the response message 10.0000;1.550e-06.
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