A&D Omniace III RA2300A, Instruction Manual

Page: 174 / 196

20. Specifications
RA2300A Recorder (7001754-R01) 20-6
20.2.4. Trigger Function
(1) Basic Function
Trigger Source
Internal Trigger Trigger by input signals from each amp.
Manual Trigger Trigger by manual trigger key on the operation panel
External Trigger Trigger by trigger inputs
Pre-trigger From 0 to 100%, 1% step
Trigger Filter From 1 to 65534 samples
Trigger
Operation
Once, Repeat, Endless
Trigger Mode
Four types: OR, AND, Window, and OFF
ON/OFF switching of Monitor synchronize available with TRIG/SYNC key
Trigger
Mode
Source Channel
Generating conditions of triggers
from input signals
OR
Any Channel can
be selected from all
channels
When a condition is met in any channel.
AND
When all conditions are met in all
selected channels.
Window
When a signal level changes out of
range or into range of maximum /
minimum trigger levels.
OFF
- Any Trigger is not used.
*Manual triggers and External triggers may be generated regardless of a trigger
mode.
*An event amp unit cannot be specified as a source channel of Windows trigger.
Trigger Output When a trigger condition is met, 0 to 5V voltage signals (Active Low, Pulse width
approx, 10ms) is output.
(2) Trigger Function of Analog System Amp Unit
Trigger
Detection
Accuracy
±2%/FS
Trigger Level This level is specified by a physical value.
Trigger slope
Different depends on a trigger mode.
Trigger Mode
Slope
OR Rising, Falling
AND Rising, Falling
Window IN/OUT to the specified range
(3) Trigger Function of Event Amp
State setting H, L, or OFF in every input from 1 to 8.
State Mode
OR, AND
State Mode Achieving conditions of channel triggers
OR When any input state equals to a specified trigger state.
AND When All input states equal to a specified trigger state.
*This mode cannot be specified in the source channel of a Windows trigger.
*After a condition of channel trigger is achieved, the next trigger is
generated until the condition is not achieved again.