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Error Messages
The following error messages may appear when starting your switcher.
Error Message
DDR 0 Not Found
DDR 1 Not Found
DDR 0 & 1 Not Found
Upgrade PMC?
GVG100 Protocol Supported Commands
The following tables list the Supported GVG100 commands and controls.
Name
Read MLE Program Bus
Read MLE Preset Bus
Read Keyer Bus
Write MLE Program Bus
Write MLE Preset Bus
Write Keyer Bus
Read Analog
Write Analog
Read Light On/off
Write Light On/off
Read Wipe Pattern
Write Wipe Pattern
Read Transition Mode
Write Transition Mode
Read Mle Autotrans Rate
Read Keyer Mix Rate
Read Fade To Black Rate
Write Mle Autotrans Rate
58
Table 17 Switcher Error Messages
Description
There is a problem with the switcher DDR
memory. The switcher may be used but
many features will be limited or disabled
Your switcher requires a Panel Module
Controller (PMC) upgrade as part of a
software upgrade. The switcher may be
used without the PMC upgrade but may
respond in an unpredictable manner
Table 18 GVG100 Supported Commands
MLE/Keyer
Length
MLE
2
MLE
2
Keyer
2
MLE
3
MLE
3
Keyer
3
MLE/Keyer
3
MLE/Keyer
5
MLE/Keyer
3
MLE/Keyer
3
MLE
2
MLE
3
MLE
2
MLE
3
MLE
2
Keyer
2
MLE*
2
MLE
5
Re-start your switcher. If the problem
persists, contact JVC Technical Support
for assistance.
Allow the PMC upgrade to proceed.
Contact JVC Technical Support for
assistance if you are unsure about
upgrading your switcher.
Byte Code
41
42
43/44
C1
<xpt>
C2
<xpt>
C3/C4
<xpt>
45
<control>
C5
<control>
46/47
C6/C7
<lamp>
48
—
C8
<wipe>
4A
CA
<mode>
4C
4D
7D
—
CC
Solution
Data/Notes
—
—
—
An invalid xpt request
returns a protocol error
An invalid xpt request
returns a protocol error
An invalid xpt request
returns a protocol error
<lsb>
<msb>
—
Valid wipes are 0-9, as
per the Wipe Pattern
button numbers. An
invalid wipe number
returns a protocol error.
—
Last 5 bits used; bit 0: key
1, 1: key 2, 3: bkgd, 4:
key 3, 5: key 4
—
—
*Currently MLE-specific
**
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