Volume control, Cty (city/highway) button, Autoscan – Beltronics 940 User Manual
Page 10: Mode

9
AUD (Auto-Mute/Volume Control) Button
Manual Muting of Audio Alerts
(Radar and SWS
™
)
Whether Auto-Mute is selected on or off in Selectable 
Features, the audio alerts can be completely muted by 
pressing the AUD button during an alert. The display will 
briefly show 
“
Q
QU
U II E
E T
T
”
.
No audible alert will be heard as
long as the signal is present. The unit will remain in manual 
mute mode for approximately 12 seconds from the last 
received alert.
Note—because Laser alerts are not lengthy or sustained,
muting is not required (see page 21)
Volume Control
Press and hold the AUD button to engage the 
volume control; the volume will cycle high to low. 
Release the AUD button when you have reached
your desired audio setting.
CTY (City/Highway) Button
The CTY button has four functions:
1. AutoScan
™
Mode
2. Highway Mode
3. City X Filtration Mode 
4. City X/K/Ka Filtration Mode
AutoScan
™
Mode
:
VECTOR 960
and VECTOR 940 are factory shipped
with AutoScan
™
engaged. Autoscan
™
is designed to
automatically adjust sensitivity to X and K Band Radar
whatever your driving environment. Whether driving in
densely populated urban areas or “wide open” rural
areas, AutoScan
™
will automatically reject virtually all
9
k
k
k
k
k
