Audio Level Adjustments and Microphone Input Range

Play an AI-generated podcast conversation about this lesson

What is the nominal Audio Bus level after the FPGA adjustment?

+10 dBm

-10 dBm

-8 dBm (correct)

+8 dBm

What is the microphone level range provided by a dynamic microphone?

0.3 to 10 V

3 to 100 mV (correct)

3 to 10 V

0.3 to 100 mV

How is the side tone controlled in Transmit mode?

Automatically adjusted based on ambient noise

Through the volume control (correct)

Manually adjusted by opening/closing a circuit

By a separate physical dial

What happens to the speakers when the 'jack output' is in use?

Both speakers are off Signup and view all the answers

What is the maximum power output of the external speaker at the rear connector?

3 W Signup and view all the answers

How is the level range of the dynamic microphone compressed before reaching the compressor?

-20 dB range Signup and view all the answers

What does the RSSI squelch do to the audio output?

Mutes it for reception levels below a threshold Signup and view all the answers

What is the default maritime channel for modulation F1D?

8001 Signup and view all the answers

Which modulation modes support the signal squelch feature?

F3E, A3E, H3E and R3E Signup and view all the answers

What is the purpose of the automatic process related to the AGC function?

To control preamplifier gain based on received signal strength Signup and view all the answers

What happens when the operator presses the erase key?

All channels are erased except channel 101. Signup and view all the answers

Why are subtones within a network required to be set to identical values?

To ensure clear communication and compatibility Signup and view all the answers

In the list of possible signal squelch subtone frequencies, what is the highest value?

250 Hz Signup and view all the answers

What happens when the squelch function is activated?

The squelch symbol changes from OFF Signup and view all the answers

What is the purpose of changing the RSSI squelch sensitivity softkey?

To adjust the threshold for muting audio output Signup and view all the answers

What is the range of available subtone frequencies for signal squelch?

67.0 Hz - 254.1 Hz Signup and view all the answers

Why does the transmitter superimpose the signal tone frequency?

To distinguish signals from noise Signup and view all the answers

'SQL Tone' softkey is used for selecting what in the system?

'Signal Squelch Subtone Frequency' Signup and view all the answers