Tyco Electronics P5300 用户手册

77 

1.  Follow the procedure in Section 9.23.2 to establish a connection to the telephone system or consult 

the system administrator for the procedure to access a dial tone on the trunked or conventional 
system.  

2.  Overdial numbers are transmitted using one of the following methods: 

METHOD 1:   1.  Enter the overdial selection mode by pressing the 

 button.   

2.  Use the 

 or

 

buttons to scroll through the list of stored numbers.  is 

displayed. Press the PTT to send the overdial sequence once. If the number
needs to be transmitted again it must be selected or entered again (this 
prevents unwanted numbers from being sent the next time the PTT button
is pressed during the call).  

Overdial select/entry mode remains active until the call is dropped, cleared, or

 is pressed. The overdial select/entry mode can be re-entered if the call is 

still active by pressing 

. 

METHOD 2:   (P5370 model radios only) 

1.  Enter the overdial selection mode by pressing the 

 button.   

2.  Press and hold the PTT

button while entering the overdial number 

sequence from the keypad.  This method sends DTMF tones during 
individual, telephone interconnect, trunked group, or conventional channel
calls.  Press the PTT to send the overdial sequence once. If the number
needs to be transmitted again it must be selected or entered again (this
prevents unwanted numbers from being sent the next time the PTT button
is pressed during the call).  Note: Anytime the PTT button is pressed and 
held, the keypad is enabled for DTMF entry. 

Overdial select/entry mode remains active until the call is dropped, cleared, or

 is pressed. The overdial select/entry mode can be re-entered if the call is 

still active by pressing 

. 

This overdial select/entry mode remains active until dropped, cleared, or 

 is pressed. The overdial 

select/entry mode can be re-entered if the call is still active by pressing the 

 button. 

Individual Call ID numbers, telephone numbers, and other number sequences for overdialing are stored in 
the special calls lists when programming the radio. The first ten entry locations of these lists can be 
changed by the radio operator. The keypad is used when adding, changing, and storing numbers in these 
entry locations.  

Use the following procedure to store a number in one of the first ten entries of a special call list:  

1.  Press the 

 or 

 button to enter the individual call list or the phone call list.   is displayed. 

2.  Scroll through the list using the 

 or

 

 keys

 

until one of the first ten entries is reached. 

NO 

ENTRY

 is displayed if the location is empty.  

3.  Enter the desired number. If necessary, a pause can be entered by pressing and holding 0-9, 

, or 

 until an underscore appears in the display (telephone interconnect only). The individual call list