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20-427 Owner's Manual Draft
There are two attenuator modes in your scanner. One is normal attenuator mode in which
you set the attenuator in each channel or each band/group in the search and tune mode.
The other is global mode in which you set the attenuator only once. This setting is applied
all the time in every mode.
Press ATT to turn on or off the attenuator while the channel number is indicated or while
the scanner is searching through bands/groups. When the attenuator is on, ATT appears.
When you turn it off, ATT disappears. You cannot set the attenuator while the scanner is
scanning.
Press FUNC and then ATT to set the attenuator to its global mode. Bar appears on the
display. Press ATT to turn the attenuator on or off. ATT appears/disappears on the display.
Press FUNC and then ATT again to turn off the global attenuation mode. Bar disappears
on the display.
Note: If you turn on the attenuator, the scanner might not receive weak signals.
turning the key tone on and off
Each time you press any of the scanner's keys, the scanner sounds a tone. To turn the
scanner's key tone off or on:
1. If the scanner is on, turn OFF/VOL counterclockwise until it clicks to turn the scanner
off.
2. Turn OFF/VOL clockwise to turn the scanner on. WELCOME appears.
3. While WELCOME appears, press 1 to turn on the key tone or 2 to turn it off.
using the dimmer
Page 29 of 36
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