Keys And Connectors; Second Function Keys; Dip Switch - Videotec DCK Manuel D'instructions

2.3 Keys and connectors

2.4 Second fu nction keys

Some keys ( ,
keys.

For example,
The keys can be released in any order.
2.5 Dip switc h
The back of the keyboard has a set of dip-switches that are used to insert/remove the load of the RS485 line
and block keyboard programming from the PC. Refer to §3.1 Video line, page 7, for further information about
inserting the line loads.
 
, ) can be used to activate second functions if pressed simultaneously with other
means: press the
DIP4: load on Video line
DIP3: not used
DIP2: not used
DIP1: firmware update from PC
The keys are grouped according to their function:
- keys for video management V
- function keys F
The DCK keyboard has one RJ11 connector on the
back of the mechanical part, a power supply
connector, dip-switches for setup and a DB9
connector to update the firmware when necessary.
The VIDEO line controls the video system connected
to the keyboard.
The dip switcher is used to insert or remove the 120
ohm termination load for the RS485 line (see § 3.2
RS485 and system types, page 7)

key followed by the
Page 6
 
key, keeping
ON: load inserted
OFF: load removed
Leave OFF
Leave OFF
ON: update is possible
OFF: update is not possible
pressed down.
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