RF Technology R150 Instrucciones de operaciones descargar pdf (Pagina 5)

RF Technology T70/T150 Page 5

1 OPERATING INSTRUCTIONS. 1.1.5 Alarm LED

1.1.5 ALARM LED

The Alarm LED can indicate several fault conditions if they are detected by the self

test program. The alarm indicator shows the highest priority fault present.

Transmitters using software issue 5 and higher use the cadence of the LED flash

sequence to indicate the alarm condition. Refer to table 1. Transmitter using

software issue 4 and lower use the LED flash rate to indicate the alarm condition.

Refer to table 2.

LED Flash Cadence Fault Condition

5 flashes, pause Synthesizer unlocked

4 flashes, pause Tuning voltage out of range

3 flashes, pause Low forward power

2 flashes, pause High reverse (reflected) power

1 flash, pause Low dc supply voltage

LED ON continuously Transmitter timed out

Table 1: Interpretations of LED flash cadence

Indication Fault Condition

Flashing, 8 per second Synthesizer unlocked

Flashing, 4 per second Tuning voltage outside correct range

Flashing, 2 per second Low forward power

Flashing, 1 per second High reverse power

Continuous dc supply voltage low or high

Table 2: Interpretations of LED flash speed, for early models

1.1.6 ALC LED

The ALC LED indicates that the transmitter output power is being controlled by an

external amplifier through the external ALC input.

1.1.7 REF LED

The REF LED indicates that the synthesizer frequency reference is locked to an

external reference.

1.1.8 TEST MIC.

The TEST MIC. DIN socket is provided for use with a standard mobile or handset

200 Ohm dynamic microphone. The external audio inputs are disabled when the TEST

MIC.'s PTT is on.

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RF Technology R150 Instrucciones de operaciones Pagina 5