Philips PM3350A - Frontpanel Lay out and Operation; Frontpanel Lay Out.3; Screen Controls.3 -2

3 i 3 OPtRATING INSTRUCTIONS
3.2 FRONTPANEL LAY OUT AND OPERATION
3.2.1 FRONTPANEL LAY OUT
The frontpanel is designed with optimum ergonomic and logical lay-out of the
controls: from left to right and from top to bottom, like reading a book.
For ease of access to the oscilloscope the front panel Is divided Into seven main
areas, which will be described In the following sections.
. Screen controls
- Viewing area (screen -t- LCD)
- Up-down keys
- Function keys
- Rotary knobs
- Softkeys
. Inputs and outputs
3.2.2 SCREEN CONTROLS
After switch-on with the POWER LINE ON push button, the screen controls can
be adjusted for optimum Illumination, trace and spot quality.
The trace and text intensity is set by the INTENS rotary knob, and a sharp
display Is obtained by the FOCUS rotary knob.
The screw driver control TRACE ROTATION Is used to set a grounded trace
parallel with the horizontal graticule lines.
The graticule of the screen can be lit-up by the ILLUMINATION rotary knob, this
can be used In dark environment or for making photographs.
3.2 FRONTPANEL LAY OUT AND OPERATION