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Terms

 
1. Monitor-------------------------------------------------------------------------------------------------------
To accept the use of the weak signal and a way to listen to. By pressing a dedicated button to receive mandatory access channel signal, the operator with ears to identify the speaker in a weak voice, to listen to.
 
2. Scan----------------------------------------------------------------------------------------------------------
In order to hear all channels of talk, and used a way to listen to. 
By pressing a dedicated button, so that the reception circuit, according to a certain order-by-channel receiver for a period of time to listen to the channel’s signal.
If each channel to receive time for 100ms, then scans per second over 10 channels, that is, the scanning speed of 10ch / s.
 
3. Priority Channel Scan----------------------------------------------------------------------------------
In the scanning process of scanning the priority of priorities set by the channel.
 
4. Delete/Add Scan Channel-----------------------------------------------------------------------------
Will be a channel scan from the list of deleted or added to scan the list.
 
5. VOX---------------------------------------------------------------------------------------------------------
When the feature is activated, do not have to according to the PTT key can be launched directly from the voice start to operate.
 
6. TOT: Time Out Timer-----------------------------------------------------------------------------------
The function for users to limit the time to launch a super-channel, but also to avoid a walkie-talkie as a result of damage caused by launching a long time.
 
7. Battery Save----------------------------------------------------------------------------------------------
To conserve electricity, to extend the standby time, the walkie-talkie for a period of time without firing button and accept the operation will be shut down for a period time, for a period of time booting the way, this way is called power-saving mode. Switch machines than the length of time is about 1:4. Upon receiving the signal or button operation, the walkie-talkie to immediately withdraw from the state power into a normal state.
 
8. High/Low Power-----------------------------------------------------------------------------------------
This feature allows users to choose according to the actual situation of high power or low power.
 
9. Busy Channel Lockout---------------------------------------------------------------------------------
When using this festure, users launch the prohibition of the busy signal channel.
 
10. Squelch Level-------------------------------------------------------------------------------------------
To receive the signal in the noise and signal strength was the strength of the relationship, the stronger the signal to noise weaker. The largest and the smallest noise between the noise is divided into several files, each called a file. The file is divided into several series called mute. Users can choose according to the actual situation.
 
11. CTCSS/CDCSS Function----------------------------------------------------------------------------
Use this feature to avoid receiving calls irrelevant.
 
12. 2-TONE/DTMF Function-----------------------------------------------------------------------------
2-TONE use DTMF signaling or call the appropriate choice of walkie-talkie.
 
13. Reverse Frequency------------------------------------------------------------------------------------
Was the use of frequency functions, the launch walkie-talkie frequency and frequency will receive the exchange and set signaling also swap.
 
14. Talk Around----------------------------------------------------------------------------------------------
From the use of network functions, the launch of the walkie-talkie frequency receiver and get the same frequency; signaling also fired into and receiving the same signaling.
 
15. Auto-Transpond----------------------------------------------------------------------------------------
When the walkie-talkie received a call when the correct code to send a signal to respond to the call.
 
16. Emergency Alarm--------------------------------------------------------------------------------------
Press the alarm button dedicated, walkie-talkie with the greatest voices sound alarm is scheduled to issue a report to the police or other code to the handset or the base.
 
17. Patrol Record-------------------------------------------------------------------------------------------
Patrol officers arrived to patrol point, the patrol will receive a walkie-talkie-registration issued by the inquiry signal, and then automatically start the registration operation, the identity of its own code and other information sent to patrol-registration be registered, have shown that a patrol officer to arrive at the . 
 
18. Keylock---------------------------------------------------------------------------------------------------
The use of the function keys to prevent the misoperation.
 
19. Battery Indicator----------------------------------------------------------------------------------------
Show battery power.
 
20. Backlight--------------------------------------------------------------------------------------------------
For the night in the dark or operated, can be read LCD display and buttons.
 
21. Cloning----------------------------------------------------------------------------------------------------
This feature will allow a walkie-talkie to copy the data to model the same walkie-talkie in the other.
 
22. Modulation-----------------------------------------------------------------------------------------------
With a certain type of signal modulation or a carrier of several parameters to control the parameters of the change, according to the control of different parameters, modulation can be divided into AM, FM and PM.
 
23. Audio-----------------------------------------------------------------------------------------------------
Refers to the frequency of the voice of the people speak, usually means a band of 300Hz-3400Hz.
 
24. Carrier Wave--------------------------------------------------------------------------------------------
Voice, digital signal, signaling the carrier signal, and other useful, easy-to-high-frequency electromagnetic wave transmission.
 
25. Channel And Channel Spacing---------------------------------------------------------------------
Voice, digital signal, signaling the carrier signal, and other useful, easy-to-high-frequency electromagnetic wave transmission.
 
26. 2-TONE---------------------------------------------------------------------------------------------------
2-TONE, two-tone signal, composed of two audio signals, A Tone + B Tone. A Tone first period of time, and then from time to time between then made B Tone. 2-TONE signaling the use of the option to call the walkie-talkie.
 
27. 5-TONE---------------------------------------------------------------------------------------------------
5-TONE, 5 tone signaling, and the role of the two-tone signaling the same, the difference between the frequency of the five components.
 
28. CTCSS----------------------------------------------------------------------------------------------------
CTCSS(Continuous Tone Controlled Squelch System),Squelch control systems for voice, audio, commonly known as Asia, is an audio frequency lower than the frequency (67Hz-250.3Hz) attached to the audio signal transmission technology together. Because of the frequency range of audio standards in the following, it is referred to as sub-audio. When the receiver on the walkie-talkie signals IF demodulator, the sub-audio signal through filtering, shaping, into the CPU, this machine set CTCSS frequency for comparison in order to decide whether or not to open the mute.
 
29. CDCSS---------------------------------------------------------------------------------------------------
CDCSS(Continuous Digital Controlled Squelch System),Squelch for digital control systems, and its role in the same CTCSS, the difference is that it is based on digital coding as a way to mute it open.
 
30. DTMF------------------------------------------------------------------------------------------------------
DTMF(Dual Tone Multi Frequency),Dual tone multi-frequency, high-frequency by the group and the group of low-frequency, high-low-frequency group includes all 4 frequency. A high-frequency signal and a low frequency signal superimposed to form a combination of signals, on behalf of a number. DTMF encoding signaling 16. DTMF signaling call option to use the walkie-talkie.
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