Audiotel International Limited 2-400-0001 Manuale Utente
30
AUDIOTEL INTERNATIONAL MN400872 Issue 1 (08/04)
D
ETECT
IV User Manual
AUDIOTEL INTERNATIONAL MN400872 Issue 1 (08/04)
31
A
CCESSORY
To Select the Accessory Screen.
From the Main menu select Acc. by either:
From the Main menu select Acc. by either:
Touch the Acc. icon on the screen
or
use the Left and Right controls on the keypad to highlight the Acc . icon, then press
the button to select.
The Accessory screen is displayed.
This screen is intended for use with future external detector accessories.
The screen shows the RF spectrum present on the accessory port between 10KHz and 12.8 MHz.
To change the span of the Spectrum displayed use the Zoom In and Zoom Out on-
screen buttons.
The current zoom level is indicated in the upper part of the screen above the spectral display.
Listening to a captured signal - Auto Tuning
When Auto Tune is selected the cursor (and hence the listening receiver) is automatically tuned to
the highest level signal on the screen.
When Auto Tune is selected the cursor (and hence the listening receiver) is automatically tuned to
the highest level signal on the screen.
To turn Auto tuning On or Off press the Auto Tune on-screen buttons.
Auto tune is ON when the button appears down (the Auto Tune text appears black)
and the tuning cursor is displayed in
and the tuning cursor is displayed in
blue
.
Note Manual tuning is inactive in Auto Tune.
Manual Tuning
The audio output for the Accessory screen is FM (Frequency Modulation). The actual signal being
listened to is identified with
The audio output for the Accessory screen is FM (Frequency Modulation). The actual signal being
listened to is identified with
green
tuning cursor cross-hairs. The real frequency of the signal at
that position is indicated at the top of the screen as the Marker frequency.