Manual # 26-0002901-00 / Revision H ScreenPro - High Resolution Seamless Switcher
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Keying Command
KEY <MODE> <SCLR> <THRESHOLD>
MODE
K’ = Key Mode On, ‘X’ = Key Mode Off or ‘W’ is window mode for use with PIP (PIP
command does this automatically).
SCLR
‘A’,’B’,’P’ or ‘M’. ‘P’/’M’ stand for preview and main.
THRESHOLD
0-100%.
Once the Key has been setup with the serial command, the TRN command can be used as usual to transition the
Key onto the Main screen. Note that the Key command can also be used after the Key has been placed on Main to
dynamically change the threshold.
Query of Key Command
KEY <SCLR>?
SCLR
‘A’,’B’,’P’ or ‘M’. ‘P’/’M’ stand for preview and main.
Returns:
=a nnn
1
%
Where, a =
‘K’ = Key Mode On, ‘X’ = Key Mode Off,
‘W’ is window mode for use with PIP or
‘Z’ is both Key and Windowing are ON
nnn
1
= THRESHOLD (Range 0% to 100%)
Video Lock Query
LCK sclr?
Description:
Video Lock Inquiry Command.
Parameters:
sclr
- Scaler [A|B|M|P]; Scaler A | Scaler B | Main | Preview
Returns: =0 for NOT LOCKED
=1
for
LOCKED/MATCHED
=2
for
LOCKED/MISMATCHED.
Letter Box Mode
LBX n sclr
Description:
Turns Letter Box mode ON or OFF for any NON-RGB source or HDTV sources. When ON the
input raster is defined to be 16:9.
Parameters:
n
-
n[0|1], Disable or Enable
sclr
-
Scaler [A|B|M|P]; Scaler A | Scaler B | Main | Preview
Example:
LBX 1 A: Enable Letter Box Mode on scaler A.
