Motorola SL4000 用户手册

After selecting your channel, you can select a subscriber ID, or 
group by using:

The PTT Button

A programmed One Touch Access button (see Making a 

Group or Private Call with the One Touch Access Button 

on page 27)

The programmed number keys (see Making a Group, 

Private or All Call with the Programmable Number Key on 

The Contacts list (see Contacts Settings on page 40)

Manual Dial (via Contacts) 

This method is for Private Calls 

only and is dialed using the keypad (see Making a Private 

Call from Contacts on page 41). 

NOTE: Your radio must have the Privacy feature enabled on 

the channel to send a privacy-enabled transmission. 
Only target radios with the same Privacy Key OR the 
same Key Value and Key ID as your radio will be able 
to unscramble the transmission. 

See Privacy on page 69 for more information. 

To make a call to a group of users, your radio must be 
configured as part of that group.
Procedure:

Select the channel with the active group alias or ID. See 
Selecting a Channel on page page 22.

Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from 
your mouth.

Press the PTT button to make the call. The LED lights up 
solid green. The Group Call icon appears in the top right 
corner. The first text line shows the group call alias. 

Wait for the Talk Permit Tone to finish (if enabled) and 
speak clearly into the microphone.

Release the PTT button to listen.When the target radio 
responds, the LED blinks green,

 

the radio unmutes and the 

response sounds through the radio’s speaker. You see the 
Group Call icon, the group alias or ID, and transmitting radio 
alias or ID on your display.

 If the Channel Free Indication feature is enabled, you will 
hear a short alert tone the moment the target radio releases 
the PTT button, indicating the channel is free for you to 
respond. Press the PTT button to respond.
OR
If there is no voice activity for a predetermined period of 
time, the call ends.

EMEA-ANZ.book  Page 25  Monday, March 19, 2012  2:32 PM