Ramsey Electronics SG560 Guía de usuario descargar pdf (Pagina 29)

BASIC OPERATION

2.11 Using the Level Meters

Level meters in the COM3010 are accessed by

pressing SHIFT, METER SELECT multiple times

to cycle through the available meters. Level

meters available include RSSI Bargraph, RSSI

Digital Meter, Power Meter, Battery Meter, and

Serial Status. Each of the meters will be displayed in the Receive/Level Meter display.

Example:

to cycle through the available meters shown below.

RECEIVE Level Meters

Counter Freq Meters

COM3010 Level Meter Displays

Common Meter Displays Description

2.11.01 Displays a relative RSSI meter of a received signal at

the set frequency. Meter ranges from –120dBm to -30dBm.

There is also a cursor indicating the current set squelch point

that moves with the control. When the bar surpasses this

point, the squelch opens.

2.11.02 Displays absolute RSSI level of a received signal from

approximately –120dBm to -30dBm. Accuracy of +/-1dBm

after loop-though RSSI calibration. (See user calibration

section).

2.11.03 Displays power as seen at the power detector.

Normally when a radio is not being keyed into the generate

output of the COM3010 this will display 0W. See Using the

Power Meter for more information. WARNING: Maximum

input to COM3010 is 100 Watts.

2.11.04 Displays the current battery state. Low end of battery

is at 10.0V and high end is at 12.6V. The COM3010 will

power itself off below 10.0V to preserve the battery.

2.11.05 Displays the status of the serial port while communi-

cating. The “L” indicates logged in, A is an address match, Tx

is the COM3010 transmitting data, Rx is receiving data, and Er

is a communications error.

RSSI

Bargraph

RSSI Digital

Meter

Power

Meter

Battery

Meter

Serial

Status

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 103 104

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