Monitor Outputs
There are two monitor outputs provided on the rear panel ofthe
Portable One Plus Access.
The INPUT monitor normally outputs a near-constant-amplitude
duplicate ofthe signal on the input. The input signal first passes
through a set ofranging amplifiers, which automatically scale the signal
to an optimal range for measurement. The signal after ranging is
buffered and sent to the INPUT monitor output.
The ANALYZER monitor outputs the signal after all filtering and
processing, immediately before being detected by the final reading
meter.
The ANALYZER signal varies significantly depending on the
measurement function. See the block diagram of the measurement, at
the beginning ofeach measurement function section in the Operation
chapter. Each block diagram shows the points in the signal path from
which the monitors are taken.
I
O
FUSE REPLACEMENT DATA
230/240 VAC
250mA T/SB 250V
100/120 VAC
500mA T/SB 250V
SUPPLY VOLTAGE
FUSE
MAXIMUM POWER: 60 VA
FREQUENCY: 50/60 Hz.
100/120/230/240 VAC
SUPPLY VOLTAGE:
TRIGGER SIGNALS
INPUT
ANALOG
DIGITAL
BAL
BAL
UNBAL
UNBAL
5Vpp MAX
5Vpp MAX
OPTICAL
OPTICAL
MONITORS
INPUT
REFERENCE
DIGITAL OUTPUT
DIGITAL INPUT
Manufactured in Beaverton, Oregon, USA
PARALLEL PRINTER
IEEE-488 INTERFACE
5,247,458; 5,420,516; 5,336,989. Other patent applications pending.
4,614,914; 4,563,652; 4,631,522; 5,089,981; 5,136,267; 5,265,201;
This product is protected by one or more of the following patents:
INSTRUMENT RESET
To restore factory default instrument settings,
hold dBr button and turn on mains power switch.
To set instrument GPIB address, use utility menu
under PANELS selection on front panel.
GPIB
ADDRESS
RL1, PP0, DC1, DT1, C0, E1
SH1, AH1, T6, TE0, L4, LE0, SR1,
PORTABLE ONE
R
ANALYZER
100 V
120 V
230 V
240 V
Date of manufacture
Code
Audio Measurement System
PORTABLE ONE PLUS
Aux 2:
Aux 1:
Opt'l Filters:
InstalledOptions:
Special
EGZ Euro. Impedances
P1P-488 GPIB Inter.
P1-IMD Intermod. Distortion
MONITOR
OUTPUTS
Figure 3-5. Rear Panel with Monitor Outputs Marked
&
For more
information on the
measurement
functions, see pages
4-17 to 4-62 .
3
Connecting
External Connections
Monitor Outputs
3-6
Portable One Plus Access User's Manual
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