Kramer Electronics VP-8x4AK - Manual (Page 23)

Using the VP-8x4AK
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6.7 Setting the Switching Delay Time
You can achieve clean transitions when switching between non-genlocked
sources by setting the delay time—ranging from 0sec to 3.5sec
1
To set the delay time, do the following:
. The factory
default delay is to 0sec.
1. Press the VIDEO and AUDIO front panel buttons simultaneously.
The 7-segment display shows the current switching delay time.
2. Use the + and – front panel buttons to set the delay time as required.
To exit the Delay mode, press the TAKE front panel button.
6.8 Setting the Machine Number
The MACH. # (machine number) determines the position of a VP-8x4AK
unit when cascading units.
To set the MACH. #, do the following:
1. Press the STO and RCL front panel buttons simultaneously.
The 7-segment display shows the current machine number.
2. Use the + and – front panel buttons to set the machine number as
required.
To exit the MACH. # mode, press the TAKE front panel button.
6.9 Cascading Machines
You can cascade up to 16 VP-8x4AK units with control from a PC or serial
controller.
To cascade up to 16 individual VP-8x4AK units via RS-485 (as illustrated in
Figure 11 ), do the following:
1. Connect the sources and acceptors, as Section 6.1 describes.
2. Connect the RS-232 port
2
3. Connect the RS-485 terminal block port on the first unit to the RS-485
port on the second VP-8x4AK unit and so on, connecting all the RS-485
ports.
of the first VP-8x4AK unit to a PC.
1 In increments of 0.5sec
2 Alternatively, the ETHERNET port could be used for PC control (instead of RS-232)