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5.7 Switchers Videotec SM42A and SM82A
5.7.1 Description
Switchers SM42A and SM82A are products dedicated to the management of video signals. The SM42A and
SM82A models differ only in the number of possible video input connections, 4 and 8 respectively; there are two
video outputs, one of which can be managed directly by a VCR.
As well as the usual switching, alarm management and on screen menu programming operations, the SM42A /
SM82A switcher is equipped with an optional auxiliary line that can be used to control the telemetry or
multiplexer units. Refer to the switcher manual for further information on this subject.
5.7.2 Connection
5.7.2.1 Cable
The communication cable is standard, as described in § 3.3 - Standard connection cable, page 12.
5.7.2.2 Switcher sett ings
The new generation switcher SM42A / SM82A can be controlled by different types of keyboard and therefore
emulates the respective protocols: to control the switcher with the EKR-KB1 keyboard the MACRO protocol with
baud rate 38400 should be used.
Set the dip switches in the switcher as required (all dips are OFF: MACRO Protocol, baud rate 38400,
programming disabled).
5.7.2.3 Keyboard set tings
While the keyboard is being set up, the
The presence of two keyboards connected to the switcher means it is necessary to define two different
identification numbers (from 1 to 4).
5.7.2.4 Operational t est
If the keyboard is connected directly with the switcher set up in this way using the telephone cable supplied, it
should be possible to switch the input videos immediately:
• press
• press
5.7.3 Video devic e setup
The setup procedure is described in the video device's instruction manual.
Press
to enter setup, and insert setup password if it has been enabled.
Control of a SM42A switcher
Control of a SM82A switcher
to select monitor 1
,
, to select the cameras.
Page 33
submenu should be set as follows:
MNNCEKRKB1_0439
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