Visara 1481 - Manual (Page 46)

701408-002 4-1
Chapter 4. Operating Procedures
The operating procedures described in this manual work for a 1481 that is attached to a
powered, operational control unit or processor. Refer to Chapter 1 for a list of compatible
control units and processors. Before operating the display station, ensure that it is
connected to the control unit.
Preparation for Operating
After the display station has been installed and is connected to its control unit, it is ready
to operate online. To ensure that your display station is prepared to operate, perform
the following procedure. Refer to Chapter 6 for further information if the display
station does not operate or malfunctions.
1) Turn the security lock key clockwise to unlock the keyboard.
2) Turn the power on by setting the Power-On/Off switch to On ( | ).
3) An alarm sounds briefly. The cursor appears in the upper left corner of the screen
and the operator status row displays the Ready symbol:
• 6 – If attached to a Telex 276 Control Unit/Display Terminal, or IBM 3276
Control Unit Display Station
• 4 – If attached to a Memorex Telex 1274, a Memorex Telex 1374, a Memorex
2274, or an IBM 3274 Control Unit
• I or i – If attached to an IBM 4300 processor
• S – If attached to a MTX/MTC 1174 Network Controller or IBM 3174 Control
Unit).
The Power-On indicator is lit.
Note: See “Operator Status Row Indicators” on Page 3-19 for explanations of
all operator status row symbols.
4) If the Power-On indicator fails to light, the cursor fails to appear, or a display like
the one described above is not produced, refer to Chapter 6 of this manual.
If “B” is displayed in the first character position of the operator status row, refer to
Chapter 6 of this manual.
5) Adjust the Contrast and/or Brightness controls for viewing comfort.