Philips PM3320 Operating Manual page 44

4246
8 OFFSET> (channel B)
if OFFSET is selected the VERTICAL/ OFFSET 8 menu is displayed
and an offset (vertical shift before attenuator) value can be selected.
OFFSET is only effective if DC input coupling is selected.
VERTICAL
OFFSET B
AUTO
ZERO
ENTER >
+ Omv
uP
DOWN
SCREEN DIV
RETURN
8 4
8 2
8 3
lf OFFSET is selected and AC coupling is active, a message
a || OFFSET only possible if channel is DC- coupled.
re AC is switched to DC.
£3 || ; | 'sdisplayed and the input coupling is automatically switched to DC,
AUTO
With softkey AUTO, the offset value is set to such a level, that the mid-value of the
input signal is shifted as much as possible to mid-memory.
A message
* * * AUTO OFFSET FOR CHANNEL B * * *
RRR RK RR RR RR RRR
is displayed.
The new offset value is displayed in the softkey text area. The VERTICAL SHIFT is
set to zero.
A message
AUTO OFFSET error : signal offset out of range.
is displayed if the input signal is exceeding the offset control range. In this case the
original offset value is restored.
ZERO
With softkey ZERO, the offset value is set to zero.