Audiovox FR-531 - Manual (Page 11)

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steady and beep tone is heard. When increasing the volume or channel
number, the tone will be higher than when decreasing the volume or channel
number.
Channel Scanning
Press function button three times until the SCAN icon flashes; oF will also
appear on the display. Press the Up or Down button to enable the Scan
function; On will appear and the SCAN icon will appear steady on the display.
While in Scan mode, the unit will rapidly scan each channel in the upward
direction and then repeat. If and active channel is encountered, scan will
pause on the active channel for 5 seconds, and then proceed to the next
higher channel. The unit will thus scan channels 1–14 for activity. Scanning
will continue until the Function (12) button is pressed.
NOTE: When the transceiver is turned off while in scan mode, the scan
mode will still be active when the radio is again turned on. If the PTT
button is pressed during scan mode, scanning will stop and the
SCAN icon will flash; flashing will continue for about 15 seconds
after the PTT button is released. Then channel scan will continue.
Dual Watch Mode
This feature allows monitoring of two channels simultaneously. Press function
button 4 times or until 0, or another channel number, appears in the channel
number display and both the Antenna icon and Call icon flash.
Using the s t buttons, choose the alternate channel number you wish to
monitor for activity. Press the function button to enter your selection. The
channel display will now flash showing your current channel and alternate
channel selection. To disable Dual Watch mode, press the function button
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