User's Manual

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5-1-1 ACTIVATING THE SPECTRUM DISPLAY
In VFO mode, press and hold the [FUNC] key for two seconds, then the spectrum display screen
appears on the LCD.
Spectrum Display screen
5-1-2 CHANGING THE FREQUENCY SPAN
To change the frequency span, press the [FUNC] key, and then rotate the main dial. The new frequency
span will be displayed on the bottom left on the LCD. To confirm entry, press the [FUNC] key again.
5-1-3 MOVING THE SPECTRUM
Rotate the main dial or sub dial to move the spectrum frequency. The current frequency will be displayed
on the top middle on the LCD. However, the frequency marker will not change in this mode.
Note: The spectrum display function will be disabled while in dual band receive mode.
5-1-4 CHANGING THE MARKER FREQUENCY
To change the marker frequency, press the [CLR] key. A small square black box will appear on the top of
the frequency marker. As you rotate the main dial or sub dial, the frequency cursor will move back and
forth on the spectrum screen.
5-1-5 DEACTIVATING THE SPECTRUM DISPLAY
To exit from the spectrum display, press and hold the [FUNC] key for two seconds.
5-2 MULTI CHANNEL RECEIVE
The AR5001D is capable of monitoring of up to three channels simultaneously.
5-2-1 DUAL CHANNEL RECEIVE IN OFFSET MODE
In VFO mode, any two frequencies above 25 MHz, which are within +/- 5 MHz can be received
simultaneously in offset mode with the following conditions.
1. Both frequencies must be above 25 MHz.
2. The frequency offset must be within +/- 5 MHz.
3. IF bandwidth must be less than 100 kHz.
4. The receive mode must be the same, and must not be WFM.
5-2-1-1 ACTIVATING DUAL CHANNEL IN OFFSET MODE