HP 8153A - Menu Mode

1
(Disp—»Ref)
(dBm/W]
(Zero)
(nWI
Range Keys
Measure and record the input power-level for use as a reference.
Display the input power-level relative to a reference.
Switch between dBm and Watt units.
Measure the electrical noise in the instrument, and compensate for
it.
Select the number of decimal places shown in the result.
(Auto) Start or stop automatic ranging.
(uFl Select the next higher measuring range.
(Down) Select the next lower measuring range.
Menu Mode
In this mode there are pre-programmed routines to perform some common, but
more complicated, measurements. In menu mode, the blue writing above the
key shows the function of the key.
There are some keys whose operation is common to all of the tasks you do in
menu mode.
■ (Edit. 1 gives you access to the parameters for editing.
■ (Prey) and (Nextl step through the items in a menu. For example, these can be
different types of Record applications, or the different parameters for the
system configuration.
■ iPxgcl fo execute an application, or to finish editing a change of a system
parameter.
■ (Pause) to pause the running application or to continue a paused application.
(System) Select system-parameters. This allows you to view or edit the
configuration of the instrument.
(Loss) Select the Loss application. A loss measurement tells you how
much of your optical signal you lose by passing it through a device.
Loss is calculated by the following formula:
loss = lOlog(^-^)dB
Bin
Tb measure loss you need both quantities, Pi„ and Pout. The
application records Pi„ when you start the application. The
instrument expresses all the following results relative to this.
These results are loss results.
Getting Started 1-3