User manual

6–2 • Specifications CrossOver 6 / 12 User Manual (v1.4)
Reference Input and Output Specifications
Tri-level Pulse
• Input Return Loss: ≥30dB to 30 MHz
• Output Return Loss: ≥23dB to 30 MHz
• Positive Peak: +300mV ±6mV
• Negative Peak: -300mV ±6mV
• Rise Times (10-90%): 54ns ±20ns
• Duration: 593ns ±40ns
Bi-level Pulse
• Return Loss: ≥30dB to 6 MHz
• Levels: NTSC: 286mV ± 14mV (40 IRE ±2 IRE)
PAL: 307mV (43 IRE)
• Rise Times (10-90%): NTSC 140ns ±20ns PAL:
200ns ±20ns
• Duration: NTSC: 4.7us ±0.1 us PAL: 4.7us ±0.2us
Ô GVG100 Protocol Supported Commands
The following tables list the Supported GVG100 commands and controls.
Table 6.1 GVG100 Supported Commands
Name MLE/Keyer Length Byte Code Data/Notes
Read MLE Program Bus MLE 2 41 —
Read MLE Preset Bus MLE 2 42 —
Read Keyer Bus Keyer 2 43/44 —
Write MLE Program Bus
MLE 3 C1 <xpt> An invalid xpt request
returns a protocol error
Write MLE Preset Bus
MLE 3 C2 <xpt> An invalid xpt request
returns a protocol error
Write Keyer Bus
Keyer 3 C3/C4 <xpt> An invalid xpt request
returns a protocol error
Read Analog MLE/Keyer 3 45 <control>
Write Analog MLE/Keyer 5 C5 <control> <lsb> <msb>
Read Light On/off MLE/Keyer 3 46/47 —
Write Light On/off MLE/Keyer 3 C6/C7 <lamp>
Read Wipe Pattern MLE 2 48 —
Write Wipe Pattern
MLE 3 C8 <wipe> Valid wipes are 0-9, as
per the Wipe Pattern
button numbers. An
invalid wipe number
returns a protocol error.
Read Transition Mode MLE 2 4A —
Write Transition Mode
MLE 3 CA <mode> Last 5 bits used; bit 0 is
key 1, 1 is key 2, 3 is
bkgd, 4 is key 3, 5 is key
4
Read Mle Autotrans Rate MLE 2 4C —
Read Keyer Mix Rate keyer 2 4D —
Read Fade To Black Rate MLE* 2 7D — *Currently MLE-specific
Write Mle Autotrans Rate MLE 5 CC **
Write Keyer Mix Rate Keyer 5 CD **