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Selects operating channels.  Also used for selecting squelch 
level, If so programmed by your dealer, used for selecting 
channels to Be locked.

 PTT(Push-to-Talk) switch

Switches the transceiver between receive and transmit modes.

 MONI Button

Press to monitor activity on your selected channel. Also used 
with QT/DTMF to mute the speaker after these functions have 
opened Squelch.

 DIAL key

Used for dialling a number with the Store and Send function, or 
Used for storing, confirming, transmitting, or erasing numbers 
with The Auto-dial function.

 FUNC Key

Press or release to enable the other functions of the transceiver.

 SCAN key

Used for controlling the Scan function, or used with FUNC key  
Together to exclude the locked channel from scanning and set  
Condition of indicator of LCD. 

 LOW key

Used for setting the transmit power

 DTMF keypad

Used for storing or transmitting DTMF numbers.

     MIC-SP jacks

If desired, connect a speaker-microphone here.

 POWER/VOL control

Turning clockwise to switch the transceiver ON,  or counter  
clockwise to switch the transceiver OFF, this also increases or 
decreases the transceiver Volume.

 LED indicator

Lights red while transmitting. Flashes red when the battery 
voltage Level is low. Flashes orange when receiving the correct 
signalling For Code Squelch, selective Call.

 CHANNEL selector

GETTING ACQUAINTED

2

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2

8

Summary of Contents for PT2508

Page 1: ...PT2508 3508 VHF UHF HANDHELD TRANSCEIVER 0681 0681 INSTRUCTION MANUAL ...

Page 2: ...ver WARNING Explosive atmospheres gases dust fumes etc Turn off and do not operate your transceiver while taking on fuel or while parked PRECAUTIONS Please observe the following precautions to prevent fire personal Injury and transceiver damage It is suggested that transmit period is 1 minute 4 minute for receiving Long period of transmitting or in high power mode may heat the back Of the transcei...

Page 3: ...lecting a squelch level 10 Calling 11 Receiving 11 Channel scan 11 channel lock 12 standby channel 13 DTMF calling 13 manual dialing 13 storing dtmf numbers 14 confirming stored dtmf numbers 15 Transmitting stored DTMF numbers 15 erasing stored DTMF numbers 15 Redialing 16 Code squelch 17 receiving 17 transmitting 18 Selective call 19 Receiving 19 transmitting 20 QT DQT 21 Auxiliary features 21 ke...

Page 4: ... first time recharging Repeating the charge discharge cycles two or three times the capacity will reach its best status The battery is not charged at the factory Charge the battery before use Please see the following steps UNPACKING AND CHECKING EQUIPMENT PREPARATION Battery Adaptor 1 Connect the adaptor to the charger then insert the adaptor into the power socket 2 Insert the battery into the cha...

Page 5: ...charged or there is no low battery alarm If do this you will overcharge the battery which may shorten its life or damage it After charging the battery fully take it out from the Charger If having charged the battery do not insert the battery back into the changer again when the changer powers on in that case the battery will become overcharged thus the battery will be damaged Note Do not short the...

Page 6: ...he supplied connecting loop 1 Switch power off and remove the panel from cap of MIC SP 2 Insert the speaker microphone plugs into the SP MIC jack 3 Circle the LOOP to the position 4 5cm from plug and insert the plug into the loop and fasten the loop 4 Cut off the bottom of loop and insert the pin into the loop of the right side of transceiver If the loop is removed and used again later make sure 1...

Page 7: ...enable the other functions of the transceiver SCAN key Used for controlling the Scan function or used with FUNC key Together to exclude the locked channel from scanning and set Condition of indicator of LCD LOW key Used for setting the transmit power DTMF keypad Used for storing or transmitting DTMF numbers MIC SP jacks If desired connect a speaker microphone here POWER VOL control Turning clockwi...

Page 8: ...he volume turn the POWER VOLcontrol while Using MONI to listen to channel background noise Selecting a Channel Use the CHANNEL selector to choose your regular operating channel Turning the selector clockwise to increase the channel number and turning the selector counterclockwise To decrease the channel number Selecting a Squelch Level The purpose of squelch is to silence the speaker when no Signa...

Page 9: ...y key to complete the selection The original display is restored CHANAL SCAN Scan is a useful feature for monitoring activity on the channels programmed in the transceiver When scanning the transceiver checks each channel for activity and only stops on a channel if a signal is present The transceiver remains on a busy channel until the channel is no longer Busy unless transceiver check the new sig...

Page 10: ...F tone is heard Press DIAL while the Storing DTMF Numbers One DTMF number with a maximum of 16 digits can be stored in each of the 9 Auto dial memory channels 1 Press DIAL to enter Dial mode LCD display d 2 Press Key to enter Storing mode 3 Using the keypad enter up to 16 digits maximum for the number that you want to store If incorrect digits are entered press MONI andre enter the entire number 4...

Page 11: ... the DTMF number to be transmitted 3 Restore to the original display Erasing Stored DTMF Numbers To erase the number stored in memory channel 1 Press DIAL to enter Dialling mode LCD display D 2 Press D key to enter erasing mode LCD display CLrd Press any key except 1 9 to cancel process 3 Enter the Auto dial memory channel 0 9 that REDIALING You can re transmit up to 16 digits maximum that you las...

Page 12: ...d Passes If your dealer has programmed Transpond an acknowledgement signal is returned from your transceiver to Code Squelch cannot be used on a channel that your dealer has Programmed with Selective Call Note TRANSMITTING 1 Refer to the MANUAL DIAL or Transmitting stored DTMF code to Make a call by DTMF keypad Make sure to enter the correct DTMF Code CH and channel Number displayed on LCD and LED...

Page 13: ...with Selective Call Note TRANSMITTING 1 Refers to the MANUAL DIAL or Transmitting the stored DTMFcode To make a call with DTMF keypad 2 Make sure to call the ID or Group code and intermediate code that Was programmed in the transceiver When the transmission starts A bar appears on the display and the LED lights red 3 Continue to use the transceiver normally releasing PTT to receive and holding dow...

Page 14: ...e same channel Pressing PTT while the selected channel is in use causes your transceiver to generate an audible warning tone Your transceiver is inhibited in this situation so it will not transmit Release PTT to cancel the alarm and restore the receive mode Releasing PTT causes the squelch to open and the LED to flash Orange When the transceiver receive a signal the LED lights green After the tran...

Page 15: ...e voltage level drops further the transceiver stops Transmitting and generates an alarm If this occurs recharge the Battery pack Transmitting Power Press LOW key to select desired output power each time LOW key is Pressed the output power is toggled between low and high power When you choose low power LO appears on display MONITOR You can use MONI key to detect the weak signal in normal condition ...

Page 16: ...b clock wisely To decrease VOX value turn the knob counter clock wisely If the VOX enabled OF appears on display and 1 indicates Volume 1 2 indicates Volume 2 3 indicates volume 3 3 Press any key to exit setting VOX appears if you select volume from 1 to 3 SELECTABLE QT You can change the preset QT frequencies in some channels of the transceiver temporarily 1 Holding down FUNC key for more than 1 ...

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