Powerwerx DB-750X User Manual Download Page 1

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VHF/UHF

Dual Band Commercial Radio

Powerwerx DB-750X

User's Manual

Summary of Contents for DB-750X

Page 1: ...VHF UHF Dual Band Commercial Radio Powerwerx DB 750X User s Manual...

Page 2: ...e of use If you do not want to purchase this optional software your radio dealer must first unlock this radio before regular use When programming this radio for the first time with the optional PC Pro...

Page 3: ...andards and features 50 Watts power output on VHF and 40 Watts output on UHF seven character alphanumeric display AM Air Band receive and direct flow heavy duty heat sink with thermostatically control...

Page 4: ...ntary 12 Transmitting 12 Shortcut Operations 13 Squelch Level Setup 13 Transmit DTMF 2 Tone 5 Tone Signaling 13 High Mid Low Power Switch 13 Frequency Reverse 13 Bandwidth Selection 13 Home Channel 13...

Page 5: ...27 VFO Frequency Linkage 28 Wide Narrow Band 28 Cross Band Repeat 28 LCD Backlight 28 Keypad Backlight Brightness 29 Calling Record 29 AM Function 29 Automatic AM Function 29 External Speaker Port 29...

Page 6: ...es Dual or Single Display Receive Modes Large LCD Display with adjustable Colors and Brightness Built in CTCSS DCS per channel PC programmable with RPS DB750X USB Programming Kit Base Station Operatio...

Page 7: ...ad MBXDTMF Plain Microphone MBXMIC S Washer 4pcs Hardware Kit for Bracket Black screws M4X8mm 4pcs Tapping screws M5X8mm 4pcs Programming Kit RPS DB750X USB Cigarette Lighter Plug Connection 6 Feet TM...

Page 8: ...lded from direct sunlight 1 Install the mounting bracket in the vehicle using the supplied self tapping screws 4pcs and flat washers 4pcs 2 Position the transceiver then insert and tighten the supplie...

Page 9: ...he entire length of the cable is dressed so it is isolated from heat moisture and the engine high voltage ignition system 3 If using the optional Powerwerx TMCG 72 cigarette lighter plug make sure you...

Page 10: ...ing the DC power to the transceiver be sure to switch the transceiver and the DC Power Supply OFF Do not plug the DC Power Supply into an AC outlet until you make all connections Power Supply SS 30DV...

Page 11: ...the transceiver via feed lines having The possible locations of an antenna on a car are shown as follows 3 Initial Installation REPLACING FUSES If you use the transceiver for a long period when the v...

Page 12: ...anger in an appropriate location using the screws included in the screw set When programming this radio for the first time with the optional PC Programming Kit RPS DB750X USB it is recommended you fir...

Page 13: ...ng press it to turn On Off Frequency Reverse Function 9 Bottom V M Key In standby press it to switch left band channel mode and VFO mode Long press it to set Wide Narrow band 10 Bottom HM Key In stand...

Page 14: ...ain channel 9 Displays the operating frequency channel name 10 Displays when receiving a signal or Monitor is ON 11 Signal strength for receiving and power level for transmitting 12 Appears while in N...

Page 15: ...ber or setting value 3 PTT Press the PTT Push To Talk key to transmit 4 Number Key Input VFO frequency or DTMF dial out etc 5 A B band Choose left band or right band as Main band 6 Band indicator The...

Page 16: ...ower On Off Adjusting The Volume Switch between VFO and Channel mode Adjusting Frequency To adjust the volume when no signal is present hold keep pressing it and adjust the VOLUME knob to desired leve...

Page 17: ...above operation to switch the right band between 136 174MHz 400 490MHz 5 Basic Operations Receiving If the transceiver has been set at a higher squelch level it may fail to hear the weaker stations If...

Page 18: ...F 10 W UHF 5 W In channel mode this operation is for temporary use only This function is valid only when current channel is programmed with repeater offset frequency and offset direction In standby pr...

Page 19: ...es 3 Turn selector knob to select the channel number to store If the storage has data the LCD will display the frequency otherwise will display 4 Press key The LCD will display MEN IN and channel edit...

Page 20: ...storage has data the LCD will display the frequency otherwise will display 3 Hold main band volume knob until the transceiver beeps twice and LCD displays MEN OUT Channel delete was completed MEMORY...

Page 21: ...rn to function menu Press key or hold selector knob for one second to store setup and exit When this function is on the transceiver will automatically transmit with RX frequency offset frequency The o...

Page 22: ...the CPU clock disturbs the working frequency turn on this function to cut the image channel noise 1 Press key to enter function menu 2 Turn the main band selector knob to choose No 06 menu The LCD dis...

Page 23: ...main band selector knob to choose desired value OFF Turn off CTCSS DCS encode CTCSS Choose CTCSS encode DCS Choose DCS encode 5 Press the main band selector knob to enter the menu 6 Switch the main ba...

Page 24: ...ay sub band frequency DC IN display sub band voltage OFF turn off display for sub Band 5 Press the main band selector knob or key to store value and return to function menu Press key or hold selector...

Page 25: ...band selector knob to choose DTMF group Then press key back to DTMF menu Press PTT to transmit with selected DTMF code 06 16 total 16 group of DTMF code DTMF Encode Transmitting Time DTMF Encode setu...

Page 26: ...TBST 3 Press the main band selector knob to enter function setup 4 Switch the main band selector knob to choose desired frequency 1000 Burst frequency is 1000 Hz 1450 Burst frequency is 1450 Hz 1750 B...

Page 27: ...tivated transceiver does not communicate through the repeater The transceiver will transmit on the repeater s output frequency with its CTCSS DCS signaling Repeat the operation to turn off Talk Around...

Page 28: ...ore setup and exit 1 Press key to enter function menu 2 Turn the main band selector knob to choose No 22 menu The LCD displays LOCKT 1 Press key to enter function menu 2 Turn the main band selector kn...

Page 29: ...to enter function menu 2 Turn the main band selector knob to choose No 27 menu The LCD displays HYPER 3 Press the main band selector knob to enter function setup 4 Switch the main band selector knob t...

Page 30: ...ress the main band selector knob to enter function setup 4 Switch the main band selector knob to choose desired value S 2 Able to hear a signal when the level meter reaches 1 bar choose No 33 menu The...

Page 31: ...r key to store value and return to function menu Press key or hold selector knob for 1 second to store setup and exit Offset frequency Setup Display mode Setup Before using the priority channel scan f...

Page 32: ...LCD displays 5TON ID 3 Press the main band selector knob to enter function setup The LCD will show the DTMF self ID 4 Press the main band selector knob or key to store value and return to function me...

Page 33: ...ion menu 2 Turn the main band selector knob to choose No 43 menu The LCD displays WIDNAR 3 Press the main band selector knob to enter function setup 4 Switch the main band selector knob to choose desi...

Page 34: ...elector knob to choose desired value ON turn on autoAM function OFF turn off autoAM function 5 Press the main band selector knob or key to store value and back to function menu Press key or hold selec...

Page 35: ...oth bands on external speaker EXT Plug the optional Y speaker cable into the ST jack on rear of radio along with two speakers to split VHF and UHF audio 5 Press the main band selector knob or key to s...

Page 36: ...er on current channel is middle 1 When LCD displays MID2 the transmitting power on current channel is middle 2 When LCD displays LOW the transmitting power on current channel is low TONE CTCSS DCS cod...

Page 37: ...to turn on squelch TBST Transmit tone burst In standby press the key programmed as TBST function to transmit selected tone burst This function is used to access some repeaters CALL OUT Calling In stan...

Page 38: ...Switch the main band selector knob to choose which banks to link The following menus allow you to link banks A J ON OFF Select ON to turn on Bank Linking OFF to turn off Bank Linking Menu 58 Bank A Li...

Page 39: ...from the master unit to slave units It copies the parameters and memory program settings To clone multiple radios switch the slave unit with another radio by connecting the clone cable in the data ja...

Page 40: ...cy Memory channel 1 758 Offset direction Offset frequency Step size 10 kHz 88 5 Hz 017N HI OFF OFF CTCSS code CTCSS frequency DCS code DCS group Output power Key lockout TOT 3 4 APO Squelch level Righ...

Page 41: ...h Carrier CTCSS DCS 5 Tone 2 Tone DTMF Frequency stability 2 5 ppm Operating temperature 20 60 C Dimensions WxHxD 139 W x 40 H x 212 D mm Weight about 1 14 kg Specifications 12 RX TX 144 146 MHz 430 4...

Page 42: ...63 064 065 066 067 070 071 072 073 074 075 076 077 100 101 102 103 104 105 106 107 110 111 112 113 114 115 116 117 120 121 122 123 124 125 126 127 130 131 132 133 134 135 136 137 140 141 142 143 144 1...

Page 43: ...524 525 526 527 530 531 532 533 534 535 536 537 540 541 542 543 544 545 546 547 550 551 552 553 554 555 556 557 560 561 562 563 564 565 566 567 570 571 572 573 574 575 576 577 600 601 602 603 604 605...

Page 44: ...ms 200 ms 250 ms 15 DTMF W 20 DTMF ENCODE SETUP 06 16 6 codes 16 SGN SQL SQ 20 SQUELCH MODE SETUP SQ CTSS DCS TONE CT TO CT TO 17 COMP OFF 21 COMPANDER ON OFF Reduces background noise 18 SCR OFF 21 S...

Page 45: ...9 AM FUNCTION ON OFF 51 AUT AM AUTO 29 AUTOMATIC AM FUNCTION ON OFF 52 VSPCONT IN 29 VHF EXTERNAL SPEAKER PORT INT EXT SP1 SP2 53 BP VOL LOW 30 BEEP VOLUME CONTROL LOW HIGH 54 TALK OFF 30 TALK AROUND...

Page 46: ...Rev D 8 2013 Powerwerx 263 N Berry St Brea CA 92821 www powerwerx com...

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