Stanford Research Systems SR620, Руководство пользователя

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4 Front Panel Operation
SR620 Universal Time Interval Counter
SUMMARY OF ARMING MODES
mode arming
mode LED indication
time
+TIME +TIME LED on
+TIME EXTERNAL +TIME and EXT LEDs on *
+TIME EXTERNAL STOP HOLDOFF +TIME, EXT, and HLDF LEDs on *
±TIME ± TIME LED on
±TIME COMPLEMENT ±TIME and CMPL LEDs on
±TIME EXTERNAL ±TIME and EXT LED on *
width,rise/fall time
+TIME +TIME LED on
+TIME EXTERNAL +TIME and EXT LED on *
+TIME EXTERNAL STOP HOLDOFF + TIME, EXT, and HLDF LEDs on *
frequency,period 1 PERIOD 1 PERIOD LED on
0.01s gate 0.01s LED on **
0.1s gate 0.1s LED on **
1.0s gate 1.0s LED on **
ext gate EXT LED on *
ext 1 PERIOD EXT and 1 PERIOD LEDs on
ext 0.01s gate EXT and 0.01s LEDs on **
ext 0.1s gate EXT and 0.1s LEDs on **
ext 1.0s gate EXT and 1.0s LEDs on **
phase
+TIME +TIME LED on
EXT EXT LED on *
count
0.01s gate 0.01s LED on **
0.1s gate 0.1s LED on **
1.0s gate 1.0s LED on **
ext gate EXT LED on *
ext 0.01s gate EXT and 0.01s LEDs on **
ext 0.1s gate EXT and 0.1s LEDs on **
ext 1.0s gate EXT and 1.0s LEDs on **
NOTES:
* arming delay or scanning delay/gate may be used in this mode (see CONFIGURATION MENU and
ARMING sections). The EXT LED will flash if scanning is enabled.
** the gate time LED will flash if gate width multiplier is not equal to 1 (see CONFIGURATION MENU
and ARMING sections).