Trouble Shooting; Soft Reset Of Microprocessor; Other Trouble Shooting Suggestions - AOR The Superior AR820 0 Series Operating Manual

Section 19, 19-1, 19-2

(19) Trouble shooting

Should the AR8200 appear to act strangely, check out the following suggestions to see if the problem
can be overcome. Failing this, switch off the AR8200, disconnect any external power connection and
remove one battery from the radio (if you have batteries fitted). Wait for at least 30 seconds then re-fit
the battery (if in use) or re-connect the external power and switch the radio on again with a of
the key.
Check to see if the problem has cleared.

19-1 Soft reset of microprocessor

If removing power and switching the AR8200 off / on does not help, try a soft reset of the microprocessor.
Soft reset is achieved by powering-up the radio with the key held, do not release the
key until the opening message has performed and a frequency is displayed in 2VFO mode.
All scan & search environments are cleared, bank link is set off and the receiver frequency will be set to
88.000 MHz for both VFO-A and VFO-B. The beep will be enabled and set to default as will lamp and
LCD contrast. All memory and search bank data will be intact.

19-2 Other trouble shooting suggestions

AR8200 will not power on. Check that the set is connected to external power (12V d.c.) or that
batteries are fitted and are fully charged.
There is no audio. It may simply be that the squelch is closed or volume is turned down. and
hold the key and adjust the volume to a comfortable level. Ensure that no external loudspeaker,
headphone or earphone is in use. Check that the band scope is not in operation.
AR8200 display is strange and there is no audio. Check that the band scope is not in operation,
.
There is no receive. Check that a suitable aerial is connected to the AR8200 and the attenuator is not
switched on (ATT legend). Check that VOICE squelch is not in use (VSQ legend), check that LEVEL
squelch (LSQ legend) is not in operation.
Intermittent receive. Check that priority is not engaged and the band scope is not in operation. Ensure
that POWER SAVE is not enabled in the CONFIG menu.
Strange audio. Ensure that you are using the correct receive mode and are tuned to the centre of the
signal. In most cases the AR8200 can automatically select the correct parameters.
to select auto-mode.
No frequency display. If all other LCD characters appear normal check that the FREQ DISP facility is
not set OFF in the CONFIG menu.
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