Motorola I886 ユーザーズマニュアル

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To make a private Direct Talk Call:
1.
In Direct Talk mode, enter a ten-digit wireless 
phone number. (You can also select a number 
from Contacts or Recent Calls.)
2.
Make the call in the same way you make a regular 
Direct Connect call.
If you receive an error message, it means:
You may not be using a valid wireless phone 
number.
The person that you are trying to reach may not be in 
Direct Talk mode.
The person that you are trying to reach is set to a 
different channel, or is out of range.
Receiving All Calls on a Channel
You can set your phone to receive all Direct Talk 
transmissions that are within range and set to the same 
channel. Do this by selecting 
Receive All
, instead of a 
code. 
You cannot initiate a call when the code is set to 
Receive All. If you press the DC button to initiate a 
Direct Connect call and your code is set to Receive All, 
you receive an error message.
To set the code to Receive All:
1.
From the home screen, press 
Menu
> Tune 
Direct Talk
.
2.
select the 
Code
 field, scroll to 
Receive All
 and press 
r to select it.
3.
Select 
Done
.
Making Emergency Calls While in Direct 
Talk Mode
If you attempt to make an emergency 911 call while in 
Direct Talk mode, your phone automatically exits Direct 
Talk mode and attempts to find a network signal.
If you are out of network coverage, your phone cannot 
make an emergency 911 call until you return to a 
network coverage area. You must wait until the phone 
reconnects to a network before attempting to make an 
emergency 911 call.