Keysight 34972A - Page 158

4 Features and Functions
158 Keysight 34970A/34972A User’s Guide
– You can control the slope of the pulse from the alarm outputs (the selected
configuration is used for all four outputs). In the falling edge mode, 0V (TTL
low) indicates an alarm. In the rising edge mode, +5V (TTL high) indicates an
alarm. A Factory Reset (*RST command) will reset the slope to falling edge.
.
– Front-Panel Operation: To specify if you want to manually clear all four alarm
outputs, choose from the following items.
DO NOT CLEAR , CLEAR OUTPUTS
To select the output configuration for all four output lines, choose from the
following items.
LATCH ON FAIL , TRACK PASS/F
To configure the slope of all four output lines, choose from the following items.
FAIL = HIGH , FAIL = LOW
– Remote Interface Operation: To clear the specified output lines (or to clear all
four lines), use one of the following commands.
To select the output configuration for all four output lines, use the following
command.
OUTPut:ALARm:MODE {LATCh|TRACk}
To configure the slope of all four output lines, use the following command.
OUTPut:ALARm:SLOPe {NEGative|POSitive}
Falling Edge Rising Edge
NOTE
Changing the slope of the output lines may cause the lines to change state
OUTPUT:ALARM2:CLEAR Clear alarm output line 2
OUTPUT:ALARM:CLEAR:ALL Clear all four alarm outputs