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Puxing PX780, Owner'S Manual, Page: 16 / 21

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Puxing PX780 Owner'S Manual Download Page 16

OWNER’S MANUAL

 

用户手册

         

DMR Digital Radio

 

16 

 

Analog 

Function 

Analog channel call 

One-to-many calls on the current analog channel

。

 

Squelch 

The squelch turn on, the walkie-talkie always turn on the speaker 

Squelch level 

The squelch level is normal open, normal and strengthened.If set to normally open, the walkie-talkie always turn on 

the speaker

。

 

Monitor 

Monitor is to identify and listen for weak sounds in a speaker 

CTCSS/CDCSS 

When  receiving  CTCSS/CDCSS  and  transmitting  CTCSS/CDCSS  match,  you  can  listen  to  the  voice  through  the 

speaker. 

 

主要技术指标

  Main technological specification 

 

Frequency range

 

UHF:400-470MHz

 

Memory Channel

 

Up to 1024

 

Frequency Stability

 

±

1.0ppm

 

Operating Temperature

 

-30

℃

~+60

℃

 

Operating Voltage

 

DC 3.7V

 

Dimension

 

128

×

60

×

34mm ( no including the antenna)

 

Weight

 

 

发射部分

  Transmission 

Output power

 

High:2W          Low:0.5W

 

Output Consumption

 

Analog

≤

1.2A      Digital

≤

0.8A

 

Consumption

 

≤

0.18A

 

FM modulation

 

11K¢[email protected]       

 

4FSK digital modulation

 

12.5KHz for data:7K60FXD    12.5KHz for data and voice :7K60FXE   

 

Modulation Distortion

 

≤

5%

 

Signal-to-noise(wide/narrow)

 

≥45dB@25KHz        ≥[email protected] 

Adjacent Channel power

 

≤

-65dB               

≤

-60dB

 

Audio Response

 

+1~3dB

 

Antenna Port Spurious

 

9KHz-1GHz:   

≤

-36dBm            1GHz-12.75GHz:   

≤

-30dBm

 

Digital Protocol

 

ETSI-TS102 361-1,-2,-3

 

Vocoder type

 

AMBE+2 

TM

 

接收

Reception 

Analog receive sensitivity

 

-122dBm (12dB SINAD)

 

Digital receive sensitivity

 

-

120dBm (BER≤5%)

 

Audio power

 

1W

 

Audio distortion

 

<10%

 

Audio response

 

+1

～

-3dB

 

Signal imitation 

 

≥70dB

 

Inter-mediation (Wide/ narrow)

 

≥62dB/≥58dB

 

Adjacent channel selectivity

 

≥65dB/≥60dB

 

Summary of Contents for PX780

Page 1: ...ity radio communication products This two way radio is no exception The radio is a DMR dual slot digital walkie talkie developed and produced by my team with 1024 memory channels 800 memory Contact Person In order to make you fully understand the various advantages of the radio performance and use and maintenance methods please read this manual carefully ...

Page 2: ...ts to meet different communication needs Digital signaling function Rich calling modes that support DMR protocol including single call group call and all call supports remote inhibit function and other applications High sound quality This digital two way radio uses advanced AMBE 2TM voice processing technology to achieve high quality High low power switch 2W 0 5W power switch Meets the power requi...

Page 3: ...igned to the preset button 2 Transmit power Quickly switch between high power and low power 3 Emergency mode on Quickly establish an emergency call This is the recommended option for the orange button 4 Emergency mode off Quickly end an emergency call initiated outward 5 offline Quickly switch between repeater mode and offline mode 6 Encryption on off Quickly turn on off encryption for channel onl...

Page 4: ...ation limit Common sense in RF radiation RF refers to the electromagnetic frequency that can be radiated into space It is a technology widely used in the fields of communication medical treatment and food processing It will produce some RF radiation during use Security in RF radiation To ensure the physical and mental health of users experts from science engineering medicine health and industry to...

Page 5: ...uct into the charging cradle correctly the indicator light on the charging cradle shows the charging status When the indicator light is red it indicates the start of charging When the indicator turns green the charging is completed The specific table below Indicator display Current charge status Red light In charging Green light The charging is completed Note For best battery performance charge fo...

Page 6: ...ay be used at room temperature Dusting the battery contacts may affect the battery life Please wipe the contacts with a clean dry cloth before inserting the batteries into the walkie talkie Battery storage needs to know 1 Since the battery will have a self discharge phenomenon the battery when not in use for a long time please fully charge the battery and then stored to avoid over discharge of its...

Page 7: ...n the screws Loosen and remove the screw from the belt clip it is recommended that you screw the screw to the battery for the next time you are installing and using the belt clip 4 安装外部耳机 麦克风 选配另购 Install external headphones microphone optional separately Open the headset cover the headset plug into the headset hole will be ok When you do not need to use the headset unplug the headset plug from th...

Page 8: ...ect the desired region and turn the Channel knob to select the desired channel user alias or ID or the group alias or ID 接收和回复组呼 Receive and reply group calls To receive a call from a user group the transceiver must be configured to belong to the talk group 1 When receiving a group call The LED indicator light is green 2 Hold the walkie talkie in its upright position and at a distance of 1 to 2 in...

Page 9: ...ust be configured to belong to the talk group 1 Rotate the channel knob to select the channel using the active talk group alias or ID 2 Hold the walkie talkie in its upright position and keep it at a distance of 1 to 2 inches 2 5 to 5 0 cm from the mouth 3 Press PTT key to the group call The LED indicator light is red 4 Release the PTT key to answer When the target radio replies the LED indicator ...

Page 10: ...D indicator light is red 4 Release the PTT key to answer When the target radio replies the LED indicator will light green 5 If the function of channel leisure prompt sound is enabled when the release the PTT key you will hear a short prompt sound indicating that the channel is leisure and waiting for your reply Press PTT key to reply If there is no voice activity for the scheduled time period the ...

Page 11: ...ple Alarm mode Description Emergency alarm Press and hold the Emergency mode on button to send an alarm tone to your partners or control center but can t talk to the other party Alarm call press and hold the Emergency mode on button to send an alarm tone to your partners or control center and then press and hold the PTT button to speak to the microphone and your voice and surrounding background so...

Page 12: ...channel and the emergency channel must be a group call 1 The walkie talkie receive the emergency alarm request send out the alarm sound The LED indicator light is orange 2 When the alarm sound stops the LED indicator will turn green The walkie talkie enter the receiving state and answer the other party s speech until the end of the emergency microphone duration 3 When the alarm sound is sounded th...

Page 13: ...ajor attempts to send an alert has been reached or Press Preprogrammed Alarm Off or Press the PTT key If the radio is turn off it will exist the emergency mode When you turn on again the radio won t start resume emergency mode 单独工作 Individual Operation This feature is ideal for people who work alone If you encounter unexpected situations during individual operation you can t operate the radio in p...

Page 14: ...OWNER S MANUAL 用户手册 DMR Digital Radio 14 ...

Page 15: ... is high Low The transmission power of the current channel is low Scan A scan is a scan of a list of scans set on the current channel Supports mixed analog and digital channel scanning Emergency Alarm In the event of an emergency you can use this feature to ask your fellow or control center for help Emergency alarm has the highest priority VOX When the microphone detects that the voice reaches the...

Page 16: ...ity 1 0ppm Operating Temperature 30 60 Operating Voltage DC 3 7V Dimension 128 60 34mm no including the antenna Weight 发射部分 Transmission Output power High 2W Low 0 5W Output Consumption Analog 1 2A Digital 0 8A Consumption 0 18A FM modulation 11K F3E 12 5KHz 4FSK digital modulation 12 5KHz for data 7K60FXD 12 5KHz for data and voice 7K60FXE Modulation Distortion 5 Signal to noise wide narrow 45dB ...

Page 17: ...OWNER S MANUAL 用户手册 DMR Digital Radio 17 Receive Current 380mA PM noise 45dB 25KHz 40dB 12 5KHz All specifications may be modified without prior notice or liability ...

Page 18: ...group call does not work in the digital channel Be different in the frequency channel color code time slot Setting the same frequency channel color code time slot Other sound in the channel which is not from the members Interference from the same frequency Change to new frequency or correct the squelch The signal is not set yet Set the signal for all radio in the group The loud noise Be too away f...

Page 19: ...to prevent poor contact After long term use of radio walkie talkie buttons control knobs and chassis are easy to dirty You can use neutral detergent do not use strong corrosive chemicals and wet cloth to clean After cleaning make sure the radio is completely dry otherwise please do not use it When the walkie talkie does not in use please attach the cover on the socket Please turn off the radio and...

Page 20: ...INTERNATIOANL GROUP COMPANY radio complies with the following Standards and Guidelines with regard to RF energy and electromagnetic energy levels and evaluation of such levels for exposure to humans IEEE Std 1528 2013 and KDB447498 Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields American National Standards Institute C95 1 1992 IEEE Standard fo...

Page 21: ...f 2 5cm must be maintained when held to face and body worn operations are restricted to the approved original acessories belt clip a minimum distance of 0 cm Do not use this device when antenna shows obvious damages This product is compliance to FCC RF Exposure requirements and refers to FCC website https apps fcc gov oetcf eas reports GenericSearch cfm search for FCC ID 2AJGM DMV1 to gain further...

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