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HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

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3. Determine the number of records on the RAM card that are in use. The number of records<br />

stored on the RAM card can be determined by cataloging the card, finding the starting<br />

record address for the last catalog entry, adding the number of records used for the last<br />

catalog entry to the starting record address, <strong>and</strong> then subtracting one.<br />

4. Subtract the number of records stored (determined in step 3) from the total number of<br />

records available (determined in step 2) to determine the number of unused records on the<br />

RAM card.<br />

Example<br />

Figure 4-l shows that the number of records on the RAM card that are in use is 53 (35 + 19 -<br />

1 = 53), <strong>and</strong> the total number of records available are 128. The number of unused records on<br />

the RAM card is 75 (128 - 53 = 75).<br />

0 1<br />

47 REF\<br />

. 0 d0m ATTEN 10 dB<br />

PEAK<br />

dB/<br />

<strong>HP</strong>859X 128<br />

TRACE 10<br />

tTRANSD-3 TRACE 15<br />

tTRANSD-4 TRACE 20<br />

t-1 TRACE 25<br />

TRACE 30<br />

DSPLY 35<br />

14:11:28<br />

E. 14:14:07<br />

E 14:16:03<br />

14:17:23<br />

i 09:38:44<br />

12:54:56<br />

19 17:00:18<br />

OCT<br />

OCT<br />

OCT<br />

OCT<br />

OCT<br />

OCT<br />

FEB<br />

15, 1991<br />

15, 1991<br />

15, 1991<br />

15, 1991<br />

17, 1991<br />

17, 1991<br />

28, 1992<br />

SA SB<br />

SC FC<br />

CORR<br />

Index<br />

1 Total number of records.<br />

/<br />

UBW 1 MHz<br />

SPAN 6.500 8Hz<br />

SWP 130 msec<br />

Figure 4-1. Determining the Number of Records<br />

Table 4-1. Cataloging a RAM Card<br />

Description<br />

2 Number of records for the last catalog item.<br />

3 Starting record address for the last catalog entry.<br />

4 The last cataloa entrv.<br />

LOhD<br />

FILE<br />

DELETE<br />

FILE<br />

Exit<br />

Catalog<br />

Previous<br />

Menu<br />

RT<br />

Creating <strong>and</strong> Using Downloadable Programs 4-13

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