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WP-577VH - Operating the WP-577VH 17
17
7 Operating the WP-577VH
This chapter describes the operation of the WP-577VH and comprises:

Selecting an input (see Section
6.1
)

Selecting active or passive data modes (see Section
7.2
)
The WP-577VH selects video and audio inputs based on the rules described
below.
7.1 Selecting an Input
To select an input in Manual mode :

Send a Protocol 3000 serial command selecting the required input, (see
Section
11.2
)
7.2 K-Link: Selecting Active or Passive Local RS-232 Data
Mode
To switch between active and passive mode in local RS-232 data mode :

Press the K-Link mode switch on the front panel, (the mode status is
indicated by the K-Link LED)
–OR–

Send the KLINK_INF (active mode)/KLINK_CLS (passive mode) Protocol
3000 command, (the mode status is indicated by the K-Link LED), see
Section
11.2
Note : Protocol 3000 commands from the local RS-232 port need to be at 115200
baud rate , while data can only be sent at up to 9600 baud rate
Note : Data is still transmitted even in the absence of video and audio signals.
Note : In order for the passive mode to function, the RS-232 channel of the local
port must also be set to passive.