HP 1GSa/s User Manual download pdf (Page 56)

4-13. Setting the PROTECT/UNPROTECT Switch to PROTECT

The effects of ELECTROSTATIC DISCHARGE can damage electronic compo-

nents. Use grounded wrist straps and mats when you are performing any kind of

service on this module.

The PROTECT/UNPROTECT switch must be set to PROTECT after calibration is finished. Set the switch

to PROTECT as follows:

1. Remove power from the instrument. Pull the modules located above the oscilloscope halfway out,

then remove the filler panels and cards located above the oscilloscope. See figure 4-6 for the

removal sequence.

2. Remove the oscilloscope module and set the PROTECT/UNPROTECT switch to the PROTECT

position. See Figure 4-2 to locate this switch.

3. Repeat step 2 for each module calibrated.

4. Reinstall the modules and filler panels in reverse order of steps 1 and 2.

4-14. Sealing the Mainframe

After calibration has been completed, the mainframe should be sealed to protect the integrity of the

system. Place a seal on the equipment such that the seal touches both the top-most module (or filler

panel) and the mainframe.

Figure 4-5. End of Calibration Display

Figure 4-6. Endplate Overlap - Top Sequence

HP 16532A - Calibration

4-8

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 89 90

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HP 1GSa/s User Manual Page 56