
ClearScan
When ClearScan is activated, the BTR-240 base station will
temporarily shut down it's transmitter and begin scanning the
available RF channels. The base station will determine which RF
channel has the least activity and then begin transmitting on it.
Key Sequence: <MENU> + <SET>
for approximately 3 seconds.
While the ClearScan process is running, the scanning status is
indicated by a progress bar on the LCD.
After the ClearScan operation has completed, the LCD returns to
the Status Screen to indicate the active RF channel of operation.
Lockout
The lockout function will prevent a user from changing any menu
options at the base station via the LCD screen. The <TALK> and
<CHANNEL SELECT> buttons, and <VOLUME> knob will
still work at the local headset on the front panel.
Key Sequence: <UP> + <DOWN>
for approximately 3 seconds.
When the lockout is activated, a padlock icon will appear in the
lower left corner of the LCD indicating that the base station is
locked.
In lockout mode, a user is allowed to navigate through the menu
options and view the current status, but the options cannot be
modified.
To unlock a base station, use the same key sequence and the
padlock will disappear from the LCD screen.
NOTE: The lockout feature is remembered every time the base
station is booted.
Software Version
The software version of the BTR-240 can be briefly displayed at
any time form the Status Screen.
Key Sequence: <SET> + <DOWN>
for approximately 3 seconds.
When the key sequence is pressed, the “Start-up Screen” (see
Figure 5-2) will be displayed for approximately 3 seconds which
flashes the software versions before returning back to the Status
Screen.
Contrast
The contrast of the LCD screen can be adjusted after the BTR-240
has completely booted.
Key Sequence: <UP> -or- <DOWN>
for approximately 3 seconds.
Continue holding to adjust.
The contrast setting is remembered every time the base station is
booted until set differently by the same sequence, or a system
restore is performed.
System Restore
The BTR-240 base station has the ability to restore settings and
parameters back to the default states. There are two options for
performing a restore: user default restore and factory default
restore.
User Defaults: This option will restore all the settings that are
selectable from the BTR-240 base station front
panel and menu options. (i.e., RF Channel,
Local Headset settings, Squelch settings,
2-wire settings, 4-wire settings, auxiliary
settings, and speaker settings.)
Factory Defaults: This option will restore all the settings as in the
User Defaults, but will also restore the User
Configuration Settings (described in Section 8).
These items include:
–
Login Password
–
IP address
–
SSID
–
Audio Encryption Key
–
Wireless Encryption Key
–
MAC filtering
Key Sequence: <MENU> + <SET> + <UP> + <DOWN>
for approximately 3 seconds.
5-12
Figure 5-41
ClearScan Progress Screen
Figure 5-42
Lockout Activated Status Screen
AuxOut:1GAuxOut:1G
AuxIn:OffAuxIn:Off
RF Ch: 9 2W:2RF Ch: 9 2W:2
Assoc: 0 4W:1Assoc: 0 4W:1
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