Press [MONI] key to open the monitor, squelch circuit is closed, you will hear background noise; release the button to turn off the monitor, then hear the background noise.
note: if you need to check the channel if there is interference, please press this button, then turn the volume control knob, you will hear the sound of the background noise or interference.
Squelch level setting
Squelch level level by writing the frequency software settings, ranging from 0 ~ 9 (squelch open) (Jing Zaoshen) (step 1). Default settings for the 3 level of the received signal noise and the strength of the signal is a corresponding relationship, the stronger the signal, the weaker the noise. The maximum noise and the minimum noise is divided into several files, each file is called a level, the user can choose according to the actual situation. Squelch level is 0, while long squelch squelch level set, the bigger, deeper squelch. The user can set the squelch level according to the different use of the environment.
Language selection and voice switch
The utility model has the functions of voice prompt and broadcast channel, which is convenient for the operation of selecting channels in dim light or darkness. Can be done by writing software or manual function adjustment for Chinese or English conversion.
Battery power shortage alarm
This feature allows you to understand the state of battery power shortage. When your walkie talkie battery power is not enough, walkie talkie voice prompt "please charge". At this point, the proposal to replace the battery or charge the battery.
Busy channel lock (BCL)
Busy channel lock function can be turned on or off by the local dealer. When turned on, BCL prevents interference with the use of other stations that are the same as the channel you select. When the PTT key is pressed, if the channel is in use, your walkie talkie will send an alarm tone and cannot launch (you can't launch). Release [PTT] key, can stop the alarm tone, return to receive mode.
Timed out (TOT)
This function prevents false triggering of the PTT key, resulting in a long period of time the transmitter is in the state of. Therefore, the factory has been set in the time of 60 seconds, that is, a maximum emission time of about 60 seconds, after which is automatically in the receiving state, in order to prevent the burning of accidents and long occupied channel.
Analog sub audio (CTCSS) / digital sub audio (CDCSS)
Analog sub audio (CTCSS) / digital sub audio (CDCSS) is mainly used to avoid listening to the same frequency or the channel is not related to the call. If CTCSS/CDCSS is set, the effective communication range, can only receive a call set the same tone in the signalling channel; but if CTCSS/CDCSS signaling has not been set, you can hear the same frequency of effective communication within the scope of the entire call
This machine can store up to 16 channels. The rotating channel switch selects the channel, counter clockwise to decrease the value of the channel, and rotates clockwise to increase the channel value. If the rotation to the empty channel without any information, a "beep" sound space frequency tone alert.
|Battery capacity||H-1800m Ah（lithium battery）|
|Battery usage time||About 12 hours|
|Rated voltage||DC 7.4 V（Li-ion Battery）|
|working temperature||-20℃to +60℃|
|Frequency combination||Phase locked loop frequency synthesis|
|Antenna impedance||50 Ω|
|Operation mode||The same frequency simplex or different frequency simplex|
|Outline dimension||2 mm (not including antenna)|
|output power||5W/1 W (VHF)，4W/1W（UHF）|
|Modulation mode (w/n)||FM (F3E)|
|Maximum frequency offset (w/n)||<5KHz(W), <2.5KHz(N)|
|Adjacent channel power||65dB (W) ,55dB (N)|
|Residual wave radiation||<-60 dB|
|Signal to noise ratio (w/n)||45dB(W), 40dB(N)|
|Sub / digital sub audio bias (w/ n)||0.7±0.1KHz (W), 0.4±0.1KHz (N)|
|Adjacent channel selectivity (w/W)||≥65dB (W), ≥55dB (N)|
|Audio power||1 W|
|Audio distortion||5 %|
|Intermodulation interference (w/n)||≥65dB (W), ≥55dB (N)|
|Receiving current||≤ 380m A|
Specifications are subject to change without notice. w/n=wide / narrow brand