67
ECHO?
RS-232 Echo Mode Enable Query
Syntax:
ECHO?
Parameters:
None
Function:
This query returns a value showing whether the RS-232 echo mode is enabled
or disabled.
Returns:
<state>
<state> is of type <number> that represents the integer 0, if the echo mode is
disabled, or 1, if the echo mode is enabled.
Related Commands:
ECHO
EVENT?
Device Event Register Query
Syntax:
EVENT?
Parameters:
None
Function:
This query returns the contents of the Device Event register and sets the
Device Event register to 0. The *CLS command will also set this register to 0.
The Device Event register is AND’ed with the Device Event Enable register. If
any bit is set in the result of this AND’ing operation then Device Error bit (bit 3)
in the Standard Event Status register will be set.
The Device Event register is an 8 bit, bit mapped register, with each bit signifying
a different condition. The bits are listed below, most significant bit first:
Over Range CH A
Saturated CH A
Data Error CH A
(Not Used)
Over Range CH B
Saturated CH B
Data Error CH B
(Not Used)
0
1
2
3
4
5
6
7
Device Event Register
Returns:
<event>
<event> is an integer in the range from 0 to 255 inclusive.
Related Commands:
*ESE, *ESE?, *ESR?, EVENTEN, EVENTEN?
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