Arbiter Systems 1084A, Operation Manuals

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70 Serial Communication and Command Set
Set Channel – Event
Command: AE
AE sets Channel A to the event recording mode.
Response:
C
Clear Event Buffer
Command: CA
CA clears the channel A event buffer and then resets the read and wrote indices to 0.
Response:
C
Return Deviation for Event Channel
Command: DA
DA returns 1-PPS deviation and sigma for the event input.
Response: dddd.dd ssss.ss
C
(Results are in microseconds)
Format: dddd.dd = the deviation from 1 PPS (GPS), averaged over 16 samples
ssss.ss = the standard deviation (sigma) of samples
Arm Event Trigger
Command: AR
AR arms the RS-232C event capture circuitry.
Response:
C
Return Single Event
Command: EA
EA returns a single event record from the channel A event buffer. The record number (‘nnn’)
increments once for every issuance of this command.
Response: Local Time mm/dd/yyyy hh:mm:ss.sssssss nnnAL
C
UTC time mm/dd/yyyy hh:mm:ss.sssssss nnnAU
C
Format: A = Channel A
U = UTC time, Channel A
L = Local time, Channel A
NO DATA
C
(if buffer is empty)