User's Manual

Basic Operations
Power On/off Your PH790L U(1)
To power on your PH790L U(1), turn the Power/Volume knob
clockwise until a click is heard.
To power off your PH790L U(1), turn the
Power/Volume knob
counterclockwise until a click is heard.
Turn Up/down the Volume
After powering on your PH790L U(1), turn the
clockwise can turn up the volume, and turning the Power/
Volume knob counterclockwise can turn down the volume.
Select a Group
You can add contacts in one group to manage the contacts
efficiently. Your PH790L U(1)supports up to 32 groups. One group
contains up to 32 contacts.
You can select a group through one of the following ways:
• Menu
Press the OK/Menu key, select Subgroup from the displayed
menu, press the Up or Down key to select a group as required.
After entering the group, select Set Default, and press the OK/
Menu key.
• Shortcut key
When the home screen is displayed, press the Group call
management key to open the Subgroup menu, and then
repeat the above operations.
NOTE:
By default, your PH790L U(1)has one group list in which you can
add 32 group contacts.
Select a Group Contact
After your PH790L U(1) is powered on and registered, you can select
a group contact through one of the following three ways:
• Group call selection knob
Turn the
Group call selection knob to select the group
contact.
• Menu
Press the
OK/Menu key, select Subgroup from the menu,
and press the Up or Down key to select a group as
required. After entering a group, select Members to enter
the Members menu, and press the Up or Down key to
select a group call contact.
• Shortcut key
If the distributor sets a Group call contact shortcut key,
you can press this key to enter the group call list menu
corresponding to the group, and then press the Up or
Down key to select a group call contact.
Lock/Unlock the Keypad
If the keypad is unnecessary temporarily, you can lock the
keypad to prevent misoperations. You can lock or unlock the
keypad through one of the following ways:
• Key combination
Press the
OK+* key combination. The keypad can be locked
or unlocked.
• Programmable key
If your distributor sets a Keypad Lock shortcut key, you can
press the shortcut key to lock or unlock the keypad.
• Menu
Enter the main menu, select
Setting > Radio Setting >
Keypad Lock, and select Disable or a time option.
After you select a time option, if you perform no
operation within the specified period, the keypad is locked
automatically.
If you select
Disable, the keypad will not be locked
automatically. You can press the key combination or the
Keypad Lock shortcut key to lock or unlock the keypad.
NOTE:
If there is no Keypad Lock in the Radio Setting menu, you can
ask your distributor to set the automatic keypad lock function.
Call
To ensure that the called party can hear you the best, keep the
microphone 2.5 cm to 5 cm away from your mouth.
Private Call
Initiate a private call
You can initiate a private call through one of the following
ways. Your PH790L U(1) plays a prompt tone before the called party
answers the call.
• Initiate the call through
Contacts or Call Logs
1. Press the OK/Menu key to enter the home menu.
2. Select Contacts > Private Contact, or select Call Logs to
display Outgoing calls, Incoming calls, or Missed calls.
3. Press the
Up or Down key to select the contact that you
want to call.
4. Press the PTT key to initiate the private call.
• Dial the number that you want to call
1. When the home screen is displayed, enter the private
number that you want to call.
2. Press the
Call/Answer key, PPT key, or the # key to initiate
the call.
• Initiate a call in Missed calls
In the
Missed calls menu, select a missed call, and press
the Call key or PTT key to initiate the call.
NOTE:
If your PH790L U(1)is not registered or fails in registration, no call
can be initiated.
Answer a private call
After receiving a private call, your PH790L U(1) plays a prompt
tone. If you press the Call/Answer key or PTT key within the
preconfigured duration, the call is answered. Your PH790L U(1) emits
an announcement. If the call is not answered, the icon is
displayed on the LCD to notify you that you missed a call.
End a private call
To end a private call, press the Hook key.
NOTE:
A private call can be ended by the calling or called party.
Group Call
Initiate a group call
You can initiate a group call through one of the following ways:
• Initiate a group call to a preset group contact
When the home screen is displayed, press the PTT key to
initiate a group call to the group contact preset for the
Group call selection knob.
• Through the address book in groups
1. On the home screen, press the
OK/Menu key and select
Subgroup, or press the Group call management key to
enter the Subgroup menu.
2. Select Members, and press the Up or Down key to select
the contact that you want to call.
3. Press the
Call/Answer key or PTT key to initiate the group
call.
• Dial the number that you want to call
1. On the home screen, enter the group call number that you
want to call.
2. Press the
Call/Answer key, PTT key, or # key to initiate the
group call.
Answer a group call
The PH790L U(1) answers a group call automatically. When a group
call is answered, your PH790L U(1) emits an announcement.
Answer a call in delay
After a group call is established, a member who did not answer
the call immediately can join in the group call during the call.
End a group call
Press the Hook key to end the group call.
NOTE:
Only the calling party can end a group call.
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Manufacturer Address
ZTE TRUNKING TECHNOLOGY CORPORATION
４／Ｆ， R&D Building 1, ZTE Industrial Park, ＬｉｕＸｉａｎ Ｒｏａｄ，Xili,
Nanshan District, Shenzhen, P. R. China