Agilent Technologies 2948, 2712A manual After keying in 8 7, the display should be

Service Model 8904A

NOTE

a.The SHIFT key is the blue key. The PRESET key is labeled in blue above the *=key.

b.After 3 seconds the display will time out and read as in step 1. Press SHIFT PRESET as often as needed to view the option and serial display.

C.The displayed option numbers are only two digits (for example, 01) even though the officialoption numbers are three digits (for example, 001).

d.If the serial suffix is not 00000 but agrees with the suffix of the serial number on the rear panel, the instrument already has its serial suffix correctly entered.

3.Key in SHIFT SPECIAL 8 7 ENTER SHIFT END. The display should read

***** S e r i a l Number I n s t a l l a t i o n *****

Enter 5 d i g i t s e r i a l number. S/N=

NOTE

a.The SPECIAL key is labeled in blue above the LAST key. The END key is labeled in blue above the ENTER key.

b.After keying in SHIFT SPECIAL, the display should be:

If l Special # 0 f 2 Status = Off f 4 Exit I

# 0 Last s t a t e recalled on Dower UD

c. After keying in 8 7, the display should be:

f l Special #87 f 2 Status = Off f 4 Exit

# 0 Last s t a t e recalled on power up

d.After keying in ENTER, the instrument will beep.

e.After keying in SHIFT END, if the display is as follows, the instrument serial number cannot be entered. The A2 Digital Assembly must be replaced.

1***** S e r i a l Number I n s t a l l a t i o n ***** I S e r i a l number cannot be i n s t a l l e d .

8-44Troubleshooting (Serial Numbers)