VISTEK V6271 Video Monitoring DA
& DAC
Issue 1.0
7
2.5.1
Panel Indicators
The LEDs on the panel have these meanings
REM
Short blinks to indicate access by the DART controller, if fitted. It does
not
indicate that the unit is in one of its remote control modes.
+V
Indicates that 5V is present on the board. This is derived from the +15V
distributed through the rack.
PAL I
Indicates that a 625/50 YC, YUV, GBR and/or PAL I format signal is being
Output.
PAL N
Indicates that a 625/50 YC, YUV, GBR and/or PAL N format signal is being
Output.
PAL M
Indicates that a 525/60 YC, YUV, GBR and/or PAL M format signal is being
Output.
NTSC
Indicates that a 525/60 YC, YUV, GBR and/or NTSC or NTSC-Japan format
signal is being Output.
YC
Indicates that a YC format signal is being Output on Outputs A & B.
YUV / GBR
Indicates that a YUV or GBR format signal is being Output on Outputs C,D & E.
Test Signal
Indicates that the Test Signal has been switched on.
Note: A flashing standard LED indicates that there is no input.
2.5.2
Control Switches
The upper switch has two positions and selects the Test Pattern when in Local Control Mode:
Off / On
Switches on the Internal Test Pattern, Colour Bars or Pluge, when the unit is
operating in Local Mode. (Has no effect in Remote Mode)
The lower switch has two positions and selects the control source:
Rem
Control is from the DART system. This requires the use of an external controller
running a suitable programme, which communicates with multiple racks using the
Dartnet protocol.
Local
Control is from the front panel itself.
2.6
Initialisation
When the unit powers up it will be set itself to the conditions as set by the local control
switches, but will update to the Remote control settings if enabled and present. In the Remote
control mode any changes will be made by the control system, but in Local control mode they
will be made on the switches behind the front panel.
