Additional Displayed Information 1250 Frequency Response Analyzer
11-14 AMK/1250/3
ERROR CODES: DETAILS (cont.)
11.3.8 GROUP 6. ILLEGAL I/O MANIPULATION
60 Changing I/O Device during Learn sequence. This error indicates that the 1250
was in the Learn mode prior to the command which attempted to change the I/O device.
As a result of this command, not only has the I/O device been changed; but the Learnt
Program has also been terminated automatically. However, the program prior to the
change of I/O device will have been learnt correctly and is therefore usable up to that
point.
61 Attempt to change operating conditions from a non-enabled I/O device. There
are three Input/Output routes to the 1250s Central Processor Unit (CPU):
a. Via the front panel
b. Via the RS423 port
c. Via the GPIB
ERROR 61 will be displayed when:
1. The GPIB is controlling the CPU with Local Lock-Out asserted, and an attempt is
made to send commands via the front panel or the RS423 port. The GPIB must
remove the Local Lock-Out first.
2. The GPIB is controlling the CPU with no Local Lock-Out, and an attempt is made to
send commands via the front panel or the RS423 port without first asserting "Local."
3. The CPU is being controlled via the RS423 port or the front panel, and an attempt is
made to send commands via the GPIB without first asserting "Remote."
4. The CPU is being controlled via the RS423 port and an attempt is made to send
commands via the front panel, without first pressing LOCAL.
11.3.9 GROUP 7. SYSTEM ERRORS
70 Out of Memory. There is a finite amount of unassigned memory available for
learning programs and storing readings on the File. Once all this memory has been
filled, any further demand will produce ERROR 70.
71 NVRAM corrupted. The non volatile memory has not been initialised or its contents
are invalid. To recover from this situation, set the keyswitch to "Supervisor" mode and
initialise the 1250.
72 Not Supervisor. An attempt has been made to alter the contents of the non volatile
(EEPROM) memory when in "normal" mode. To alter the contents of the non volatile
memory, the keyswitch must be in the "Supervisor" position.
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