Philips PM3320 Operating Manual page 57

4-37E
TRIGGER COUPLING MENU
After pushing the COUPLING pushbutton, the TRIGGER COUPLING menuis
displayed and different trigger modes and slopes can be selected.
The foliowing combinations can be selected:
— AC
TRIGGER AC HF reject
COUPLING AC LF reject
faq Dc
4
Mr, DC HF reject
AUTO. 2 AUTO
VE 3 AUTO HF reject
maces | AUTO LF reject
EVIEXT CuI 4.}| || TVF (No DUAL possible}
LF reject 5..|;*
HF reject
SLOPE + - 7
DUAL 8
ALLENS TOES?
1 AC DC
If the text AC is intensified, AC trigger coupling is selected. Pushing the softkey again will
then give DC trigger coupling and visa versa.
lf neither AC nor DC is intensified AUTO-. or TVF-triggering is active. In this case the
current trigger level is indicated by a mark | on the Jeft side of the C.R.T. screen.
2 AUTO
Ifthe softkey AUTO has been pushed, automatic triggering is active, which is indicated by
an intensified text AUTO.
This means that the trigger level setting is limited between the highest and the lowest level
of the signal. The jevel setting is still possible between these limits. Trigger input is AC
coupled.
3 TVF
If TVF has been selected, television frame signai synchronisation is obtained (for CCIR
system 625/526 lines).
Check the correct setting of the trigger slope (in accordance to the T.V. system under test).
If the LEVEL control is operated, a message
Leveling not possible when in TV- mode.
is displayed.