BNC 1201 - 6 1/2 Digit Digital Multimeter - Manual (Page 52)

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Defaults
The default settings for Auto Zero and Auto Gain are enabled. The user
selected values for Auto Zero and Auto Gain are stored in a volatile
memory and the default settings will be restored when the meter is
power-off.
How to set Auto Zero and Auto Gain
You can change the Auto Zero and Auto Gain setting through the front
panel or through the remote interface operation.
Front Panel Operation
The following steps show how to set Auto Zero and Auto Gain directly
through the front panel.
Be aware that Auto Zero setting is always affected by the resolution
setting. Whenever the resolution is altered, Auto Zero may be changed
accordingly. The relation between resolution and Auto Zero is shown in
Table 4-1.
Press MENU and then ENTER on SET ADC. If “SET ADC” is not shown on
the display, use ◁ and ▷ buttons to locate it. Press ENTER on ZERO or
GAIN. Again, use ◁ and ▷ buttons to locate it if it is not shown on the
display. Press ENTER on AUTO ZERO or AUTO GAIN option and then use
◁ and ▷ to the “ON” or “OFF”. Press “ENTER” by your choice. The
locations of these buttons are shown with red rectangle frames in Figure
4-1.
Procedures: MENU→SET ADC → ZERO→ AUTO ZERO {ON|OFF}
MENU→SET ADC → GAIN→ AUTO GAIN {ON|OFF}
Resolution
Auto
Zero
Auto
Gain
Integration
Time(PLC)
Fast 4 ½ digits Off Off 0.02
Slow 4 ½ digits On On 0.1