2 – 6
Remote Operation
control of the blade position has not been disabled with command
E
.
Select speed mode 0
0
Select full-speed mode for the shutter head. This is the default setting.
The transition speed (and corresponding mechanical vibration) can
be changed using mode commands
0
,
1
,
2
, and
3
. The actual speeds
for these modes, for the SR475 and SR476 Laser Shutters , are given
in
§
1.6.
Select speed mode 1
1
Select alternate speed mode 1 for the shutter head, so that it moves
at one-half of full speed between open and closed.
Select speed mode 2
2
Select alternate speed mode 2 for the shutter head, so that it moves
at one-quarter of full speed between open and closed.
Select speed mode 3
3
Select alternate speed mode 3 for the shutter head, so that it moves
at one-eighth of full speed between open and closed.
2.4.2
Shutter control mode commands
Serial control lockout
E
Disable remote (serial command) control of shutter blade position.
Commands that do not change the blade position are not a
ff
ected.
When this mode is selected, the blade position can only be controlled
through the shutter head’s logic-level control input. Serial control
can be re-established through commands
F
,
G
, or through a hard
reset with command
C
or by removing power (
§
1.1.5).
Logic-level control lockout
F
Disable logic-level control of shutter blade position.
When this mode is selected, the blade position can only be controlled
through the remote (serial) interface. Logic-level control can be re-
established through commands
E
,
G
, or a hard reset with command
C
or by removing power (
§
1.1.5).
SR475 and SR476 Laser Shutters
