Philips PM3320 Operating Manual page 145

4.5.8
4.5.8.1
4.5.10
4.5.11
4-129E
Display
Press the green pushbutton AUTO.
Turn the X-POSITION control. Check that the signal shifts horizontally.
Turn the Y-POSITION contro!. Check that the signa! shifts vertically.
Turn the X-EXPAND control. Check that the signal expands and shrinks and check ifthe pilot
lamp UNCAL functions properly {off in CAL position).
Magnify
Press pushbutton MAGNIFY. Check that *1 is selected.
Press softkeys Y*5, Y*1 and Y/5 and check if vertical magnify functions correctly.
Press softkey Y*1.
Press softkey EXPAND several times until *64 is reached.
Press pushbutton DOTS. Check that the pilot lamp in the pushbutton lights up and the dots are
not joined anymore.
Press pushbutton SMOOTH and check that the trace becomes a line and the pilot lampin the
pushbutton lights up.
Press pushbutton DOTS twice; check that the pilot lamps DOTS and SMOOTH are off.
Press softkey *1.
Memory
Press pushbutton SAVE/PLOT. Check that the menu appears.
Press pushbutton CLEAR and check that the screen is cleared and refreshed again.
Press pushbutton LOCK and check that the screen becomes steady and the pilot lamp in the
pushbutton lights up.
Press pushbutton WRITE and check that the pilot lamp in the pushbutton lights up.
Cursor control
Press the green pushbutton AUTO.
Press pushbutton CURSOR and check that the menu appears.
Press softkey RO A. Check that two cursors appear on the screen.
Turn control "1st" and check that the left cursor moves along the signal and that the cursor
read out on the C.R.T. is updated.
Turn control "2nd" and check that the right cursor moves and the read out is updated.
Miscellaneous
Press. pushbutton TRIGGER DELAY.
Press softkey ENTER.
Press keys +/- 0 1 2 3 4 and check that the figures appear in the display.
Press softkey CLEAR.
Press keys 5 6 7 8 9 and check that the figures appear in the display.
Press the decimal point key and check that a warning appears in the bottom text area.
Press pushbutton EXT CLOCK and check that the pilot lamp in the pushbutton lights up and
the screen becomes steady.
Press pushbutton "SETTING FRONT No" and check that the menu appears.
Press the green pushbutton AUTO to bring the oscilloscope in it's initial state.