Legacy Car Audio ML3245 Mode Operation and Function Set Up, English, Power On, Channel Change

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Scan Modes

Scanning is a Dealer programmable feature that allows you to monitor a number of channels. Your radio communications Dealer will help you define a scanning mode and your channel “scan list”.

Once the scan list has been established, initiate scan by pressing the SCAN button. The SCAN icon will show in the lower right corner of the display to confirm radio scanning.

Normal Channel Scan

If a conversation is detected on any of the channels in the scan list, the radio will stop on that channel and you will be able to hear the conversation. In normal scan, you can transmit on that active channel during the programmable scan delay time. (The scan delay time is the amount of time the radio will stay on that channel once activity has ceased. Dealer programmable, 4 - 7 seconds is typical).

The radio will resume scanning once the scan delay time has expired, and will continue to scan until scanning stops by pressing the SCAN button. In scan mode, if radio power is turned off and on, the radio will return to the scan mode until scanning stops by pressing the SCAN button.

Priority Scan TX

A single channel may be programmed as the “Priority” channel. Priority channel activity takes precedence over all other conversations. During the scan mode, if a P-T-T is initiated, the radio will transmit on the Priority channel. The radio will constantly monitor this channel while scanning and when stopped on an active channel. If a call is detected on the priority channel, the radio will automatically move to, and remain on, the Priority channel.

Priority Lookback Scan

A single channel may be programmed as the “Priority” channel. The radio will constantly monitor this channel while scanning and when stopped on an active channel. If a call is detected on the Priority channel during a conversation, the radio will automatically move to, and remain on, the Priority channel. Priority channel activity takes precedence over all other conversations.

Priority Select Scan

A selected channel becomes the “Priority” channel. As you change the channel, that channel’s frequency will become your new Priority channel. Priority channel activity takes precedence over all other conversations.

Nuisance Delete

During receiving a signal or scan delay time, if the MON (monitor) button is pressed, the current receiving channel is deleted in scan list and is no longer scanned. When the power is turned off and on, the deleted channel is restored to the scan list.

Busy Channel Lockout

When the RX signal is being received, the radio’s transmitter is disabled.

Marked Idle

When used in conjunction with Busy Channel Lockout (BCLO), the radio will allow a transmission if the correct tone is present with the received signal.

TX Delay

The transmission will remain active for approximately 180 milliseconds even though the P-T-T bar is released when using CTCSS Tones. This eliminates squelch tail.

Time-Out-Timer (TOT)

The purpose of the time-out-timer is to prevent any single person from using a channel for an extended period. The time-out time can be programmed from 10 seconds to 990 seconds.

Time-Out-Timer Penalty (TX Inhibit)

When time-out-timer is applied, transmission will be inhibited after the time-out-time time expires. This TX inhibit time can be selected and programmed by your radio communications Dealer from 1 second to 100 seconds. For instance, when the time-out time is set to 3 minutes and T-O-T penalty is set to 5 seconds, if you continuously transmit for 3 minutes, the radio will stop transmitting. A tone will sound with each P-T-T bar press until the 5 second TX inhibit time expires.

Press the P-T-T bar after the TX inhibit time expires to resume transmitting.

Two-Tone Decode

Each channel can be programmed with two-tone decode selections: Individual Call, Group Call and Super Group Call. Your radio communications Dealer can program your radio(s) for this feature. To activate or reset the two- tone decode, press and hold the AUX button for 3 seconds. After two-tone is decoded, an alarm will sound if two tone alarm is turned on.

Weather Alert Detect(1050 Hz Detect)

Checks for the 1050 Hz of Weather Alert tone Signal issued by the National Weather Service. Your radio will look back to the last used weather channel every 5 seconds. If the 1050 Hz is detected, WX ALERT will blink on screen with alert alarm, then change to WX mode. To stop WX ALERT blinking and alarm, press any bution.

VOX (Voice Operated TX)

Allows your radio to transmit with the sound of your voice for hands-free operation. Your radio has a VOX sensitivity level adjustment for noisy or windy conditions. The VOX icon will be displayed when option is active.

P/A Mode

Allows your radio to become a public address system with an optional external speaker connected. In this mode only microphone audio heard over the optional external speaker when the P-T-T bar is pressed.

Mode Operation and Function Set Up

Depending on how your Dealer has programmed your radio, you may be able to change certain modes and functions of your radio. Consult with your radio communications Dealer regarding which functions are available with your radio.

The following identifies display prompts for various radio functions. NOTE: All functions are activated or turned off by pressing the MODE button. Use the up or down buttons to toggle through the choices available with each function. To exit, press the MODE or P-T-T bar on the microphone.

Power On

Power on the radio by turning the power / volume control knob clockwise out of detent. The radio will perform a self-check, showing POWER in the display. Two beeps are sounded when the radio is ready to enter normal operation mode. If power-on detects an error to data in the last memory, the EEP ERR display will appear, and an error tone will beep.

Channel Change

Press and release the up or down. Your display will change with each channel selection, and will vary depending on how your Dealer programmed each channel description. A press and hold of up or down will scroll trough the channels.

Transmit

Press the P-T-T bar to transmit on the microphone; release to receive. Both TX (transmit) and RX (receive) are indicated by display icons. When the VOX option is set and activated by voice, the radio transmits; if voice input stops, the radio maintains TX for around 2 seconds, then returns to receive mode.

Channel Option View

In receiving mode, if the MON (monitor) button is pressed for more than 2 seconds, the RX tone option and the TX tone option for each channel selected will display.

This display example identifies:

RCTC 01 Receive, CTCSS, Tone 1

This display example identifies:

TOCS 023 Transmit, DCS, Code 023

Channel Option Settings Menu

NOTE: These setting instructions are per-channel. You must repeat for all channels. To enter the Menu setting, press and release the MODE button during the receive or standby mode. In the menu setting, use the up or down buttons to scroll through the sub-menu settings. To enter a sub-menu, press the MODE button when the desired sub-menu appears on screen, then press the up or down buttons to scroll through the sub-menu selections. To activate or turn off a sub-menu setting, press and release the MODE button. The radio will save the setting, and return to standby mode.

If the P-T-T button is pressed, the radio returns to standby mode. If the MON (monitor) button is pressed, the radio will return to the previously displayed Menu setting.

The Channel Options Settings menu and sub-menus are detailed on the next few pages. Press up or down to the desired channel. Press the MODE button and then the up or down button until CH SET appears. Press and release the MODE button to select. Sub-menu settings include: TONE SET, TX POWER, Nor SCAN,PRI SCAN

and TWO TONE .

Scroll through the sub-menu settings with the up or down buttons. To enter a sub-menu, press the MODE button when the desired sub-menu appears on screen.

TONE SET settings include: RX TONE

TX TONE

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