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Viking™ VP600 Portable Radio Operating Manual
3-5
General Operation
You can also activate the “View Time” feature, displaying the month, day, year, and the 
time, including seconds. Since this feature can be used as a timer, it does not time out after 
a period of time to return to normal zone/channel display. However, press any button to 
exit the feature.
3.3
Zone and Channel Select
The Viking Portable radio supports up to 255 zones with up to 255 channels per zone.  The 
exact number of channels is dependent on the Software channel options.  The total 
maximum number of channels is 2048.
Channel or zone selection may be programmed to either the rotary control or the 
navigation pad. The zone selection function may also be programmed to the toggle 
control. Each function may only be programmed to one control. Neither function must be 
programmed.
3.3.1 Direct Zone / Channel Selection
The Direct Channel Select feature is available if the Channel Select option switch or menu 
parameter is programmed. This feature allows channels to be directly selected using the 
DTMF keypad numeric keys (DTMF models only) or Up/Down buttons (all models).
Rotary Control
The rotary channel selector on top of the radio. May be set for zone 
select, channel select or none. Zone select sets the knob to cycle 
through the first 16 zones. Channel select sets the knob to cycle 
through the first 16 channels.
Navigation Pad
This is the up, down, left, and right switches on the front of the radio. 
Zone select allows the user to cycle through all the zones in the profile. 
This function allows changes to occur as soon as the button is pressed: 
There is no delay. Channel select allows the user to cycle through all 
the channels in the profile by pressing the up and down switches. The 
radio will loop from the last channel to the first and vice versa using 
the up and down switches. The radio will display unprogrammed 
channels located between other programmed channels.
Toggle Control
This three-position switch on the top of the radio sets the toggle switch 
to cycle through the first 3 zones.