E F Johnson Company 2425770 사용자 설명서

Viking Portable 600 Radio Operating Manual

2-5

Antenna Connector - This is the connection point for the antenna. Make sure the antenna 
is tight before using the radio.

Top Display - Up to one line of 12 characters is displayed, including a Signal Strength 
indicator, Battery indicator, Channel ID. 

Emergency Button- This button or some other option button can be programmed as an 
Emergency button to alert a dispatcher of an emergency condition. Refer to Sections 5.9 
and 6.8 for more information. If not programmed as an Emergency button, this button can 
also be programmed for other functions.

The user can set an external line by pressing the emergency button. External devices can 
trigger off of the radio’s external line.  If the “Ext Emergency” Option is enabled by 
programming and the user presses the emergency button, the Aux B line on the accessory 
connect shall be set to low (0V). It remains low until the External Emergency Time has 
passed or the user exits the emergency. If the user presses emergency during the External 
Emergency Time, the timer starts over. If the user exits emergency before the External 
Emergency Time has passed, the output line returns to Vbatt.

Side Controls and Jacks

PTT (Push-To-Talk) Switch - This switch is pressed to turn the transmitter on to transmit 
a message. It is then released to listen. Transmitting is indicated when the top panel 
indicator is constant red or 

 is displayed (surveillance mode only, see Section 4.10, 

Option Buttons

PTT Switch

Battery Pack

Accessory
Connector

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