Sub-item

Parameter

Search Mode

Major item

Sub-item selection (E)

F12:SI1 Function No Function

Ext Auto Zero

Ext Ttl Preset

F12:SI1 Function Ext Auto Zero

F:Status Function

11:SO2 Function

12:SI1 Function

13:SI2 Function

9. ACTUAL OPERATION

Touch the switch to select “Ext Auto Zero (Zero adjustment via external status input)”.

In order to request confirmation, the entire display

flashes on and off. Touch the switch once again at this time to fix selection of the automatic zero adjustment function.

The system returns automatically to sub-item selection screen (E).

F0902-2.EPS

Zero adjustment will be started if the SI1 terminals are shorted (When the active mode has been set to “Short Active” using F15: SI1/2 Active Mode).

This process will end after approximately 30 seconds.

Now Auto Zero

Executing...

F0902-3.EPS

NOTE

Auto zero adjustment function is being executed. (about 30 seconds.)

When the SI1 terminals continue to be shorted, this zero adjustment is automati- cally repeated.

9-4

IM 01E20C01-01E

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APC AXFA11G user manual Ext Auto Zero