Specifications

Table Of Contents
Chapter 2 Service
The Agilent 53210A/53220A/53230A Calibration Procedures
Assembly-Level Service Guide 117
5 When “Lock Cal” is displayed for a softkey, the firmware is
unlocked and ready for calibration. The Perform Cal softkey then
becomes available.
6Press the Perform Cal softkey.
Display softkey annunciators show:
7Press the Cal Step softkey.
Display softkey annunciators show:
* Only displayed if Option 106 or 115 is installed.
8Press the Pos Volt softkey. Softkeys change to:
Data entry display area reads 4.096 V (default) and is modifiable.
9 The value shown in the data entry area must equal the power
supply output voltage as measured by the DMM (+4.096 or +4.000).
Use the front panel knob and left/right arrow keys to enter the
value (
± 1mV).
10 Connect the DC voltage source to Channel 1 on the counter front
panel as shown in Figure 2-6.
*