User Manual

ManualsBrandsAlinco Incorporated, Electronics Division ManualsElectronicsDJ-X30T Wide Band Communications Receiver

6. Useful Functions

6-3 Key-lock Function

The Key Lock function avoids unwanted, incorrect, or unauthorized operation of

the keys and dial.

Two types of locking are available: Quick Lock which can be activated easily,

and Normal Lock which is difcult to unlock.

6-3-1 Key-lock procedure

●

Quick Lock

Hold down the [FUNC] key to switch the function ON/OFF.

While the Normal Lock is active, the icon appears on the LCD.

●

Normal Lock

Press the dial three times while holding down the key to switch the

function ON/OFF.

While the Normal Lock is active, the icon appears on the LCD.

CAUTION

• To release the Key-lock function, you must use the same method you

used to activate the lock. If you do not do this, the lock cannot be

released.

6-3-2 Available operations while the Key-lock is active

Volume adjustment: You can adjust the volume level by rotating the dial.

Squelch adjustment: You can adjust the squelch level by rotating the dial

while holding down the [MONI] key.

Summary of content (14 pages)

PAGE 1
6. Useful Functions 6-3 Key-lock Function The Key Lock function avoids unwanted, incorrect, or unauthorized operation of the keys and dial. Two types of locking are available: Quick Lock which can be activated easily, and Normal Lock which is difficult to unlock. 6-3-1 Key-lock procedure ● Quick Lock Hold down the [FUNC] key to switch the function ON/OFF. While the Normal Lock is active, the icon appears on the LCD.
PAGE 2
6. Useful Functions 6-4 Tone Squelch/Reverse Tone Squelch Function The Tone Squelch/Reverse Tone Squelch system sends almost inaudible lowfrequency signals (CTCSS tones) by radio waves and has the receiver detect the presence or frequency of the signals, so that only audio of a specified communication can be heard from the receiver speaker. The Tone Squelch function opens the squelch when the received tone frequency matches with the frequency specified by the DJ-X30.
PAGE 3
6. Useful Functions 6-5 Descrambling Function The Descrambling function returns scrambled voice to normal reception. Note that the DJ-X30T/E does not have this function. This feature is available only for the E version. 1 Tune to a signal using analog-inversion scrambling. 2 Press the [FUNC] key to display the icon on the LCD. 3 Press the 6 key several times until "SCR" appears on the LCD. 4 Select a decode No. by rotating the dial. Select a number from 0 to 28 where you can hear clear audio output.
PAGE 4
6. Useful Functions 6-6 Tone Scan Function The Tone Scan function automatically detects a CTCSS tone frequency in the received signals. 1 In VFO mode, tune to the channel you want to scan for the tone frequency. 2 While holding down the rotate the dial until "TONE" appears on the LCD. 3 Release the key, key. Scanning starts. Tone frequencies being scanned for are displayed one by one on the LCD.
PAGE 5
7. Useful Functions/Operations When Key Pad is Installed 7. Useful Functions/Operations When Key Pad is Installed Installing the key pad in the DJ-X30 enables the following: 1. Direct input of desired frequencies from the key pad. 2. Volume adjustment from the key pad 3. Selection of memory channels and Set mode items 4. Function enhancement by pressing the key pad keys while holding down the [FUNC] key. 7-1 Basic Key Pad Operation 7 The key pad is arranged as shown below.
PAGE 6
7. Useful Functions/Operations When Key Pad is Installed 7-2 Memory Naming Function You can name the memory channel programmed in the Memory mode by using up to 6 alphanumeric characters, and symbols in total. ● Registering a memory name 1 Press the key to switch to Memory mode. 2 Tune to the memory channel you want to name. 3 Press the [FUNC] key to display the 4 Press the icon on the LCD. key.
PAGE 7
. Useful Functions/Operations When Key Pad is Installed 6 Press the [FUNC] key. The memory name is registered. Clearing a registered memory name MEMO • Follow the steps 1 through 4 above, press the key in step 5 , and then press the [FUNC] key. The selected memory name is cleared. 7-3 Reception Mode Switching Function You can manually select the modulation type you want to use to receive signals. 1 Press the [FUNC] key to display the 2 Press the icon on the LCD. key. "WAV-AT" appears on the LCD.
PAGE 8
7. Useful Functions/Operations When Key Pad is Installed 7-4 Shortwave Tuning Function The Shortwave Tuning function is used to manually adjust the sensitivity of the reception when the shortwave bar-antenna is used. Use this function when you have difficulty hearing a shortwave broadcast. The default is set to "AUTO". In most cases, it is unnecessary to change the setting. Use this function when shortwave broadcast signals are difficult to receive with the AUTO setting.
PAGE 9
7. Useful Functions/Operations When Key Pad is Installed 7-5 Priority Monitoring Function The Priority Monitoring function monitors two channels alternately, so that you can catch signals of one frequency effectively while receiving the signals of the other frequency. After receiving signals of the main channel for 5 seconds (*1), the DJ-X30 monitors the priority channel for 0.5 seconds to see if there are any signals being sent.
PAGE 10
7. Useful Functions/Operations When Key Pad is Installed 7-6 Scan Speed Switching Function The Scan Speed Switching function changes the scan speed. Set the scan speed faster to receive strong signals only or to scan quickly, and set the speed slower to receive weak signals. 1 Press the [FUNC] key to dispay the 2 Press the icon on the LCD. key. A number is displayed. By rotating the dial, you can adjust the speed in five levels.
PAGE 11
7. Useful Functions/Operations When Key Pad is Installed 7-7 Group Setting/Checking Function During the Memory scan, the banks used for the scan can be grouped as desired. Up to nine groups can be set. Each group corresponds to keys through . The following procedures are possible only when there are already programmed memory channels in the banks. 7-7-1 Setting a group 1 Press the 2 Press the key to switch to Memory mode. key to select a bank to include in a group.
PAGE 12
7. Useful Functions/Operations When Key Pad is Installed 7-7-2 Checking banks in a group You can view all banks registered in a group. 1 Press the [FUNC] key to display the 2 Press the icon on the LCD. key. "GroUP1" appears on the LCD. The last character "1" indicates the group number. 3 Press the key of the group number ( that you want to view the banks of. through ) 4 By rotating the dial, you can see the banks registered in the group one by one. 5 Press the [FUNC] key to finish checking.
PAGE 13
7. Useful Functions/Operations When Key Pad is Installed 7-9 Frequency Shift Function The Frequency Shift function switches from the frequency currently being received to another frequency with the press of a single key. For example, communication with a repeater (relay) uses both sending (uplink) and receiving (downlink) frequencies. The Frequency Shift function allows you to receive signals of both frequencies alternately by switching between them with a press of a key.
PAGE 14
7. Useful Functions/Operations When Key Pad is Installed 7-9-2 Operation procedure 1 The DJ-X30 receives the shift frequency while the key is pressed. • Scanning is disabled while the key is pressed. CAUTION To cancel the Frequency Shift function, press the [FUNC] key to display the icon on the LCD. Hold down the key until "NO SFT" appears, and then press the [FUNC] key again.