Front Panel Operation System Menu
ML2437A/38A OM/PM PN: 10585-00001 Rev. P 5-35
BNC [OBMD, OBCH, OBVST, OBVSP, OBDST, OBDSP, OBCH, OBPL, OBACM, OBCH,
OBZL, IBBLP]
Configures the input and output rear panel BNC connectors.
POWER [MODPWR] If this is set, and the power cycles on the meter, then the
number specified in the “phone number” field will be dialed.
When a connection is established, an SRQ will be sent to the
host PC. Remote communications can then continue as
normal.
PORT Output 1 or 2: Select the output port to configure (see MODE below).
Input 1 Select what type of Blanking input you are providing (see TTL
LEVEL below) on Input 1.
Input 2 Selects input 2 for V/GHz or External volts input. You cannot
configure the V/GHz or External volts input port here. To configure
V/GHz set Sensor > CalFactor > Source to V/GHz. To use the
External Volts Input set Channel > Setup > Input to EXT V.
MODE (output ports only)
OFF (output set to ground) port 1 or 2
Analog OUT (analog scaled output) port 1 or 2 provides an output voltage
proportional to the measurement.
RF Blanking (output 2 only) provides a logic level output during the ZERO
process. This can be used to switch off RF from external sources.
PASS/FAIL port 1 or 2 logic level output
Signal channel
A or B
(port 1 or port 2) provides a real time output from the signal
channel. Being real time, it shows modulation, etc., and is taken
after the signal has been through range amplifiers. It is not directly
proportional to the measurement.
Levelling A or
B
(range 1 or 2) (port 1 or 2). This is similar to the signal channel A or
B outputs, except it connects to range 1 or 2 only of the signal
channel. See below for more information on levelling.
ACMod output (port 1 only) is a TTL signal synchronized to the internal chopper
(when used) of the signal channel. This signal can be used for
synchronization with external sources or when viewing AC range
(chopped) signals.
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