Image Commands - Analog way SMS100 Smart Scaler Operating Manual

9) REMOTE CONTROL RS-232 (continued)
9-2) HOST / SMART SCALER™ COMMUNICATION (continued)

IMAGE COMMANDS

The following commands are active only on the selected (displayed) video input.
They are not active for the COMPUTER input.
•
H, V, W, S, B, C, s, T, commands are used to control the output adjustments.
0 = minimum
255 = maximum
•
b command is used to select the video input aspect ratio.
DECIMAL VALUE
0
1
2
•
j, A, Q, N commands are used to control the output adjustments.
0 = minimum
63 = maximum
STATUS COMMANDS (READ ONLY)
This control family is read only ; it cannot be preceded by a value.
• U command returns the UNIT value, used to calculate the computer line and frame frequency.
• l command returns the Computer Line Duration (CLD value).
The following formula allows to calculate input line frequency in kHz.
UNIT VALUE = Input line frequency in kHz.
CLD VALUE
• t command returns the Computer lines per Frame (CFD value).
The following formula allows to calculate the computer input frame frequency in Hz.
INPUT LINE FREQUENCY (Hz) = Input frame frequency in Hz.
CFD VALUE
PAGE 24
SELECTION OF ASPECT RATIO
4/3
16/9 letterbox
Widescreen Anamorphic
ANALOG WAY
SMS100 - ED 07/01
RESPONSE
IASP0
IASP1
IASP2