E F Johnson Company 2425795 사용자 설명서

Viking™ VP600 Portable Radio Operating Manual

6-7

• Unlimited - Telephone numbers can be selected from a list and also dialed directly 

using the keypad.

To recall from a list:

1 Momentarily press the Phone option key or select that menu parameter. The alias of the 

last called telephone number is displayed. The interconnect call mode is indicated by 

 in the display.

2 If required, press the Up/Down buttons to display the desired number. The alias of each 

number is displayed.

3 Press and release the PTT switch and “Dialing” is displayed. Refer to the bulleted list 

following Step 3 below for events that may then occur.

To make direct entry using DTMF keypad:

1 Select the menu parameter or press and hold the Phone option button until a tone 

sounds. The alias of the last called telephone number is displayed if it is in the phone 
number list. Otherwise, the last eight digits of the last called telephone number are 
displayed. The interconnect call mode is indicated by 

 in the display.

2 Enter the telephone number using the 0-9, 

*

, and # keys. To enter a pause (indicated by 

“P”), press 

*

 and then #. To erase the last digit, press the Left button. The number 

scrolls to the left in the display so that the eight right-most digits are always displayed. 
Numbers up to 16 digits (including pauses) can be entered. Press the 

 (Clear) button 

to cancel the call.

3 Press and release the PTT switch and “Dialing” is displayed. Events that may occur are 

as follows:

- If the access is successful, a dial tone sounds and the dialed number is displayed and 

sent. Either ringing or a busy signal is then heard as with a standard telephone call. 
When the called party answers, press the PTT switch to talk and release it to listen 
(since the radio is half-duplex, it is not possible to talk and listen at the same time). 
Each time the PTT switch is released, a go-ahead tone is sent to the land side party to 
indicate when they can respond. To dial a number after the connection is made, press 
the PTT switch and dial the number using the microphone keypad.

- If the selected telephone number is not valid, “Invalid” is displayed and an alert tone 

sounds. Select a valid number.

4 When the telephone call is finished or if it could not be completed, end it by pressing 

the Phone option button or 

 (Clear) button.