
Test frequency (wanted) Unwanted frequencies Product
25.800 MHz 25.925 & 26.050 MHz -8dBm
129.800 MHz 129.925 & 130.050 MHz -14dBm
320.800 MHz 320.925 & 321.050 MHz -12dBm
470.800 MHz 470.925 & 471.050 -10dBm
850.800 MHz 850.925 & 851.050 -10dBm
Cross modulation:
Wanted frequency 129.800 MHz, 60% AM with 15 kHz bandwidth -93dBm S/N 21.5dB
Interfering signal 129.900 MHz, 30% mod
-23dBm S/N 18dB 60dB
-27dBm S/N 20dB 56dB
Wanted frequency 129.800 MHz, 60% AM with 15 kHz bandwidth -89dBm
Interfering signal 129.925 MHz, 30% mod -23dBm S/N 20dB 60dB
There are two resets for the AR5000:-
1) CPU RESET. If switching the set off/on does not help, the next action should be to reset
the receiver using the hidden reset switch provided.
The reset switch is located behind the torque lever to the right of the main tuning dial.
i. Move the lever to the downwards position, a black cloth material covers the slot. The reset
switch is located at the top of the slot about 10mm behind the front panel.
ii. Using a match stick or similar tool, press and release the reset switch (with the unit
switched on, and powered in a normal manner).
iii. The back light will extinguish then all LCD characters will be displayed, the set will then
power up and resume normal operation (if it has not automatically switched on again press the
"Power" button).
This will re-boot the CPU without erasing the search/memory contents or going back to the
default settings. The last entered frequency in VFO may be lost.
2) CPU SOFT RESET. If the reset switch does not help, it is possible to SOFT RESET the
AR5000 CPU. This will clear all bank link information and reset the VFO to default
parameters including frequency display of 128.900Mhz.
i. Switch the receiver off (unplug the power cord if necessary to power down the receiver).
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