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HP4402.book : chapter3.fm 26 Fri Feb 12 15:32:45 1999
Menu Reference
Front Panel Menu Reference "System/Inputs" Menu
3-26 HP E4419B User’s Guide
◆
Press this softkey to return to the measurement screen. The
softkeys from the first level of the “System/Inputs” menu are
displayed.
■ and
Press these softkeys to select the type of linearity correction
that will be applied to the channel A and channel B sensors
being used. For most 8480 series sensors the correct (A type or
D type) linearity correction table is automatically selected.
However, for the V8486A and W8486A sensors the automatic
selection must be overriden and the D type correction selected.
Subsequent connection of another A type sensor will result in
a warning message stating that “Linearity Override May be
Required”.
• and
Press these softkeys to access a menu which allows you to modify
the settings of the averaging, duty cycle, range and offset of
channel A and channel B respectively.
■
Press this softkey to toggle the channel offset value on or off.
The default is “Off”. The offset value is set using .
■
Press this softkey to enter a channel offset in the range of
-100 dB to +100 dB. The default value is 0 dB. Use the ,
, and hardkeys to change the value. To confirm
your choice press . This offset can be used to compensate
for a loss or gain. The offset is applied to the measured power
before the result is displayed. is
automatically set to “On” when a value is entered using
. Refer to “Setting Channel Offsets”, on page 2-39 for
further information.
■ (HP E-series power sensors only)
Press this softkey to set the range in which you require the
power meter to make the power measurement or set the power
meter to autoranging. Choose either “UPPER”, “LOWER” or
“AUTO” from the selection available using the and
hardkeys. The default is “AUTO”. Refer to “Setting the Range”,
on page 2-58 for further information.
Done
A Linearity ATyp DTyp B Linearity ATyp DTyp
A Input Settings B Input Settings
Offset Off On
Offset
Offset
dB
Offset Off On
Offset
Range