Laversab ARTS 7000, User Manual, Page: 89 / 194

ARTS 7000 User Manual Aviation Systems
Rev A6 Page 89
5. Code – the ARTS 7000 generates a repetitive Morse code identification signal
comprising the letters LSB. This LSB morse signal is sent every 30 seconds.
The morse can be instantly transmitted manually by pressing the
Code button.
6. Tone – the ARTS 7000 generates a constant 1 kHz audio tone .
5. Frequency (indicator): Indication of the received frequency from the Aircraft transceiver.
This field is only active when the ARTS 7000 is in receive mode and receives a signal
from the aircraft when PTT is active.
6. Power (indicator): Provides a power measurement indication of the signal received forth
e aircraft. This function is only active when the ARTS 7000 is in receive mode and
receives a signal from the aircraft when PTT is active. Note: this function is only active
when the ARTS 7000 is configured in a direct (Cable) connection to the aircraft
transceiver
.
7. Audio Freq (indicator): This indicator gives the depth of modulation of the transmitted
signal from the aircraft. This field is only active when the ARTS 7000 is in receive mode
and receives a signal from the aircraft when PTT is active.
Diagnostic Tools.
Screen Shots of Diagnostic Tools Selection
Diagnostic Tools Off
Diagnostic tools On
Counter Display Shown.
The ARTS 7000 Test Application includes some diagnostic tools that can be used when the
ARTS 7000 is in any Com VHF or HF receive mode. The Tools are only available when
indicated in the bottom right corner of the test screen.
The only applicable tools will be displayed for the required test. Enabling these tools can help
identify tuning errors, antenna issues, unstable transmitters, transmitters with drift, and
verification checks for received frequencies and power. The Diagnostic Tools can be used at
any time in RX, but they may be most helpful when the ARTS is unable to display “received”
Frequency or Power values.
Diagnostics Mode Counter
The Counter measures the transmitted frequency from the Aircraft Radio. It may show a
different value than the main test frequency. The counter has a wider band than the Main ARTS
receiver.
1. If many frequencies are received the reading may fluctuate and not be useful.
2. If the received frequency is stable, this will be useful for comparison. If the Aircraft Radio
is good the counter frequency and test page frequency should match.
3. If the counter frequency is more than +/-10KHz from the main test frequency, the main
test frequency will not be displayed. Modulation and power values may be displayed, but