User's Manual

UM-003-A OPS243-A User Manual 15 OmniPreSense Corporation
Module/Transmit Power – set to control the operating mode (PA, PI, PP) or the transmit power. The
typical maximum transmit power is 9 dB. Reducing the transmit power does not reduce the overall
power consumption of the module. Note that the detection range will decrease with decreased
transmit power.
Command
Name
R/W
Value
P?
Active Power State
Read
Reports current power state.
PA
Active Power Mode
Write
Normal operating mode.
PI
Idle Power Mode
Write
No activity, waits for Active Power command.
The RF is powered down for further power
savings.
PP
Single Pulse
Write
Use to capture and process a single pulse and
buffer of data. Use when the sensor is set to
PI mode.
P7 or PN
Transmit Power Control or
Min Power
Write
Transmit is set at -9 dB below max power.
P6
Transmit Power Control
Write
Transmit is set at -6 dB below max power.
P5
Transmit Power Control
Write
Transmit is set at -4 dB below max power.
P4
Transmit Power Control
Write
Transmit is set at -2.5 dB below max power.
P3 or PD
Transmit Power Control or
Mid Power
Write
Transmit is set at -1.4 dB below max power.
P2
Transmit Power Control
Write
Transmit is set at -0.8 dB below max power.
P1
Transmit Power Control
Write
Transmit is set at -0.4 dB below max power.
P0 or PX
Transmit Power Control or
Max Power
Write
Transmit power is set at its maximum value
with maximum range. PX has additional
“overdrive” of 0.2 dB when utilized.
PO
Transmit Off
Write
Turn transmit off and put in sensor in receive
only mode. Use P! to turn transmit back on.
P!
System Reset
Write
Full system reset including the clock.