OPERATION

POWER-ON PROCEDURE

4-3POWER-ON

At power-on, the power meter performs a brief power-on self test (POST).

PROCEDURE

After the POST, the instrument loads the last used configuration and dis-

 

play settings. If a POST error occurs, information and available options

 

will be displayed on the screen.

 

 

The following tests are performed during the power-on self test, and also

 

when the GPIB *TST? command is sent:

 

Table 4-1Power-on Self Test

 

 

 

 

 

TEST SEQUENCE

POSSIBLE STATUS

 

 

 

 

Flash EPROM code checksum

Pass or Fail

 

 

 

 

Flash EPROM personality data checksum

Pass or Fail

 

 

 

 

Flash EPROM calibration data checksum

Pass or Fail

 

 

 

 

Volatile RAM tests

Pass or Fail

 

 

 

 

Non-volatile RAM checksums

Pass, Fail

 

 

WARNING - Software version

 

 

changed - all non-vol stores reset

 

 

Current store failed - current store

 

 

reset

 

 

Saved store(s) failed - failed store

 

 

status changed to not saved

 

 

WARNING - Secure mode clear

 

 

memory - all non-vol stores reset

 

 

 

 

Display

Pass or Fail

 

 

 

 

Keyboard

Pass or Fail

 

 

 

During the power-on self test, only failures and warnings will be displayed on the front panel. If all tests pass successfully, no self test information is displayed.

Failure and warning messages that can be displayed on the front panel are:

Flash code csum

Personality csumVolatile RAM

Cal data csum

Non-Vol RAM

Software version - this is only a warning

Current Setup

Saved Setups

Secure - Mem clear - this is only a warning

Display

Keyboard

DSP error # - followed by a 4-digit hexadecimal error code

ML2430A OM

4-3

 

 

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Anritsu ML2430A operation manual POWER-ON Procedure, 3POWER-ON