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Common Measurement Settings
R&S
®
ESW
158
User Manual 1177.6298.02 ─ 08
Displayed Information and Errors
Channel bar
If external generator control is active, some additional information is displayed in the
channel bar.
Label
Description
EXT TG: <source power>
External generator active; signal sent with <source power> level
LVL
Power Offset (see
FRQ
Frequency Offset (see
"(Automatic) Source Frequency (Numerator/Denomi-
Error and status messages
The following status and error messages may occur during external generator control.
Message
Description
"Ext. Generator GPIB Handshake Error!" /
"Ext. Generator TCPIP Handshake Error!" /
"Ext. Generator TTL Handshake Error!"
Connection to the generator is not possible, e.g. due to a
cable damage or loose connection or wrong address.
"Ext. Generator Limits Exceeded!"
The allowed frequency or power ranges for the generator
were exceeded.
"Reverse Sweep via min. Ext. Generator Fre-
quency!"
Reverse sweep is performed; frequencies are reduced to
the minimum frequency, then increased again; see
"Ext. Generator File Syntax Error!"
Syntax error in the generator setup file (see
"Ext. Generator Command Error!"
Missing or wrong command in the generator setup file
(see
"Ext. Generator Visa Error!"
Error with Visa driver provided with installation (very
unlikely)
Data Input and Output