LAMBDA DG-4 & 5 PLUS/USB OPERATION MANUAL – REV.
39
Nom. Filter Pos.
Alt-
key-
pad
entry
Ctrl
char
ASCII/
-ANSI
def./-
char.
Phys.
Filter
Pos.
Move On
…
Atte-
nua-
tion
Details
Dec. Hex
.
Binary
29 1D 00011101 -0029 ^]
3 Trigger
33%
Move on trigger to 3
rd
filter (18mm) at 1/3
30 1E 00011110 -0030 ^^
4 Trigger
33%
Move on trigger to 4
th
filter (25mm) at 1/3
31 1F 00011111 -0031 ^_
5 Trigger
33%
Move on trigger to 5
th
filter (25mm) at 1/3
NOTES:
1.
Nominal Filter Position (Bits 0 – 3): Value range 0 through 15, and with Bit 4 = 1, 16 through 31.
2.
Move on Command or Trigger (Bit 4): 0 (on command (i.e., immediately)) or 1 (by trigger (see Note 3)).
3.
“On trigger” means the light beam moves only on Strobe (STROBE TTL input).
Twenty-two of the remaining 224 binary values are used to send commands to the Lambda
DG-4. These commands are listed in the table on the following page with their corresponding
Input Values and descriptions of their functions.
Table 4-5. Special commands reference.
Command Tx/
-Rx
Ver.
Byte
Count
Byte
Offset
Value
Alt-
key-
pad
entry
Ctrl-
char
ASCII
def./-
char.
Description
Dec. Hex. Binary
Open
Shutter
Tx All
1
0
170 AA 1010 1010 0170
Moves the light path away from
Filter 0 (where the light is blocked)
to the filter position at which the
light path was positioned prior to
issuing the Close Shutter (172)
command.
Rx All
2
0
Echoed command sequence
1
13
0D 0000 1101
<CR>
Completion indicator
Close
Shutter
Tx All
1
0
172 AC 1010 1100 0172
Moves the light path from the
current filter position to Filter 0,
where the light is blocked. The
original filter position is stored so
that when the Open Shutter (170)
command is issued, the light path is
moved from Filter 0 back to the
original position.
Rx All
2
0
Echoed command sequence
1
13
0D 0000 1101
<CR>
Completion indicator
Open
Smart-
Shutter
Tx
USB
1
0
174 AE 1010 1110 0172
Set the state of the SmartShutter to
OPEN, thereby allowing the output
light beam to pass through.
Rx
USB
2
0
Echoed command sequence
1
13
0D 0000 1101
<CR>
Completion indicator
Summary of Contents for Lambda DG-4Plus/USB
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