Measurement-computing WLS-TEMP Manuel d'utilisateur télécharger pdf (Page 31)

WLS-TEMP Specifications

LED / button configuration

Table 21. LED configuration

Parameter

Specification

Command LED

Green LED – indicates a command was received by the device (either USB or

wireless)

Received Signal Strength Indicator

(RSSI) LEDs

Three green LED bar graph.

LEDs turn on when receiving a wireless message and stay on for approximately

1 second after the end of the message. The LEDs indicate the amount of fade

margin present in an active wireless link. Fade margin is defined as the difference

between the incoming signal strength and the receiver sensitivity of the device.

 3 LEDs on: Very strong signal (>30 dB fade margin)

 2 LEDs on: Strong signal (>20 dB fade margin)

 1 LED on: Moderate signal (>10 dB fade margin)

 0 LED on: Weak signal (<10 dB fade margin)

Wireless Power LED

Green LED: indicates that the internal RF module is powered.

Transmit LED

Yellow LED: indicates transmitting data over the wireless link.

Receive LED

Red LED: indicates receiving data over the wireless link.

Button

Firmware-defined; this revision executes an LED test.

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Measurement-computing WLS-TEMP Manuel d'utilisateur Page 31