Xiamen Puxing Electronics Science & Technology Co. Ltd. PXDZMD720U Manuel D’Utilisation

You can also through the address book a single call or through the keyboard entry for quick contact access, to find 

the required target interphone. 

Start all call 

This feature allows you to all the users on the channel signal. Walkie talkie must be programming allows you to use 

this feature. 

1. Rotate knob channel, the use of activated all call on the phone to choose channel group name or ID. 

2. Hold the microphone and make it to be vertical position with 1-2inches with your mouth. 

3. Call press (PTT), the LED indicator for the red light. All call on the phone screen display group name or ID, as well 

as all call icons 

Using a single bond call key caller group shout or shout 

Single bond call feature allows you to easily alias or ID of a predefined set of call or a single call. This 

function can be assigned to a short programming or long programming keys.   

You can only assign an alias or ID a single bond the call button. Intercom can have multiple single call key 

programming. 

1.  Press the preprogrammed single bond calls, initiate a set of predefined alias or ID shout or shout。 

2. Hold the microphone and make it to be vertical position with 1-2inches with your mouth. 

3.  Call press (PTT), the LED indicator for the red light. Screen display group/user alias call or ID, and group 

calling/single icon. 

4. (PTT) release button, when the target interphones reply, the LED indicator for the green light. 

5.  Free prompt if you enable the "channel" function, is when the target radio (PTT) release button, you will hear 

a short beep, said this channel is idle, waiting for your answer. 

Press the call key (PTT) answer, or if at a predetermined time period without voice activity, the call is terminated. 

6.  Intercom return accept call in front of the screen 

Emergency alarm function 

Emergency alarm is used to represent an emergency, you can at any time or any screen, even there is activity 

on the current channel, an emergency call 

Alarm has the following types： 

• Ban: This machine can't fire alarm signal, but can receive other radio alarm. 

• General: Intercom fired a warning signal with voice or visual hints. 

• Silent: intercom fired a warning signal, without any voice or visual hint, before you call press (PTT), target 

interphone will not response (call).• Silent voice: intercom alarm signal launch and receive incoming calls, all 

without any voice or visual hint, unless you press [PTT] key to initiate the call or respond to the call. 

Only can assign the emergency alarm in a preprogrammed emergency call button 

Exit the emergency mode 

When one of the following situations occurs, walkie-talkie to exit the emergency mode： 

• Received an emergency alarm (only for emergency alarm), or 

• Has reached the alert attempts, or 

• Press programming beforehand alarm shut down, or 

• press PTT key 

Note: If the shutdown, exit mode of emergency intercom. When open again, interphone will not start the emergency 

mode