Agilent Technologies 8922S Manuel d'utilisateur télécharger pdf (Page 20)

Completing the ROM upgrade

Upon initial power

When new ROMs are installed in the HP/Agilent 8922, and the

instrument is ﬁrst powered on, there may be a delay of up to two minutes

before anything appears on the display. Do not power cycle during this

time.

When the instrument successfully powers on, the following three

messages appear:

• Cal file checksum incorrect. File reset to default

values.

• All Self Tests Passed.

• Frequency Reference Cal Lost. Perform Reference

Calibration.

The ﬁrst two messages appear and disappear quickly as they are

replaced by the third message. To view all messages, use the message

(MSSG) screen.

To clear RAM It is good practice to clear the instrument RAM following the instrument

upgrade. To do this:

Step 1. Move the cursor to the CONFIG ﬁeld and select.

Step 2. In the CONFIGURE screen, move the cursor to the SERVICE ﬁeld and

select.

Step 3. In the SERVICE screen, locate the RAM Initialize ﬁeld and select.

Step 4. Select on the front panel keypad to clear the registers.

YES

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Agilent Technologies 8922S Manuel d'utilisateur Page 20