62 Chapter2
Making Adjustments
6. Cal Attenuator Error
Entering Attenuator Error Correction Data
22.Press the following analyzer keys.
PRESET
75 Ω input: AMPLITUDE, More 1 of 2, AMPTD UNITS, dBm
FREQUENCY, −2001, Hz
CAL, More 1 of 4, More 2 of 4
SERVICE CAL, SET ATTN ERROR
Note that the frequency of −2001 Hz is necessary to access the
SERVICE CAL routines.
23.When the analyzer prompts you with the message ENTER
CAL ATTEN ERROR, enter the data from Table 2-2 and terminate with
the reverse sign using the
dBm or −dBm keys. For example, if the
error recorded in Table 2-2 is 0.07, enter 0.07 and terminate with
−dBm.
24.When the analyzer prompts you to enter the 16 dB step, enter
0 dBm. At the completion of entering the 16 dB error, the analyzer
will reset.
25.To confirm that the correct data is stored, access the cal attenuator
corrections by pressing the following analyzer keys.
CAL, More 1 of 4, More 2 of 4
SERVICE DIAG
DISPLAY CAL DATA
Note that the cal-attenuator correction data are the first five
corrections located in the ERR column.
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