User`s manual
BOXLIGHT PRO80S3 Projector Preliminary User’s Manual
Page 13 of 33
2.3 ZOOM, FOCUS and Lens Shift Commands
ZOOM, FOCUS and Lens Shift Serial Commands
The following commands turn on the specified motors. The motors will stay energized until an <ESC> character is sent to
the projector. The last character of each command is an ASCII digit from 0 to 3 with no intervening whitespace. This
determines motor speed with 0 being the slowest and 3 the fastest. All of the motors have clutches or limit switches to
prevent damage if they are allowed to run after reaching a mechanical limit.
Command
0 ≤ n ≤ 3
Description
Dn Move image DOWN
Ln Move image to the LEFT
FFn Move FOCUS away from Projector – FOCUS FAR
FNn Move FOCUS toward Projector – FOCUS NEAR
Rn Move image to the RIGHT
Un Move image UP
ZIn ZOOM IN – Projected Image Smaller
ZOn ZOOM OUT – Projected Image Larger
The following NUDGE commands turn on the specified motors for a short period. No <ESC> character need be sent. The
last character of each command is an ASCII digit from 0 to 3 with no intervening whitespace. This determines period the
motor is energized with 0 being the shortest and 3 the longest.
Command
0 ≤ n ≤ 3
Description
NDn Nudge image DOWN
NLn Nudge image to the LEFT
NFFn Nudge FOCUS away form Projector – FOCUS FAR
NFNn Nudge FOCUS toward Projector – FOCUS NEAR
NRn Nudge image to the RIGHT
Nun Nudge image UP
NZIn Nudge ZOOM IN – Nudge Projected Image Smaller
NZOn Nudge ZOOM OUT – Nudge Projected Image Larger










