Agilent Technologies 8935 Series Specifikace stáhnout pdf (Strana 58)

100

101

Chapter 3 57

Troubleshooting

Self-Test Diagnostics (Step 1)

The pattern generated by the LEDs can be interpreted as a

binary-weighting code. The LED (labeled 0) is the least-significant bit

(see Figure 3-7 on page 58).

For example if the LEDs blinking pattern is Off, On, On, On (reading

left-to-right or LEDs “3 2 1 0”), the binary number is 0111 or decimal 7.

The error codes shown in Table 3-1 on page 55 are weighted by the

binary value. The weighted value for this example is decimal 2

= 128

or hexadecimal 80. (This failure is easy to simulate; simply power-up

the Test Set while holding down a key.)

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 342 343

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Agilent Technologies 8935 Series Specifikace Strana 58

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