User's Manual

Viking VM600 Mobile Radio Operating Manual 6-27
Conventional Features
desired code type (CTCSS analog or DCS digital). If an invalid code is entered, a beep
sounds, “INVALID” is briefly displayed, and the editing mode continues to be selected.
TX CODE - Selects the transmit codes the same as RX CODE above.
NAC Squelch Control (Project 25 Channel).
RX NAC - Selects the receive Network Access Code (NAC) which can be any number
from 1-4095. This number is displayed in hexadecimal from 000-FFF. Rotate and press
the Select switch to enter the desired code. A single beep sounds when the switch is
pressed (if that option is selected). The displayed code is stored after the last digit is
programmed. If an invalid code is entered, a beep sounds, “INVALID” is briefly
displayed, and the NAC editing mode continues to be selected.
TX NAC - Selects the transmit NAC the same as RX NAC above.
TX POWER - Selects the desired power output level. Rotate the Select switch to scroll
through the following choices. When the desired setting is displayed, store it by
pressing the Select switch. A single beep sounds when the switch is pressed (if that
option is selected).
- POWER High - Selects high transmit power.
- POWER Low - Selects low transmit power.
- POWER SW - Switchable power selectable by the High/Low power switch. This
choice is not available if that switch is not programmed.
TX TIMER - Enables or disables the time-out timer on the current channel. Rotate the
Select switch to toggle between the ON and OFF mode, and when the desired setting is
displayed, store it by pressing the Select switch. A single beep sounds when the switch
is pressed (if that option is selected).
Channel Alias - Programs the alias for the channel. Up to ten characters from A-Z and
0-9 and spaces can be entered. Press Select switch once to display the current alias and
then press it again or rotate it to program a new alias. Rotate the Select switch to display
the desired character and then press it to move to the next position. A single beep
sounds when the switch is pressed (if that option is selected). The number is stored after
the Select switch is pressed with the last position selected.
Note The next two parameters are programmed only if the radio is programmed for encryption.
Strapping - Selects the encryption strapping mode for the channel as Clear, Secure, or
Switched.
Key Select - Selects the encryption key for the channel if applicable. The key storage
location of 0-63 (PID) or 1-64 (SLN) is selected (see Section 8.2.2). If no keys are
programmed, “NO KEYS” is displayed.
CHAN SPACE (Analog Only) - Selects either wide or narrow band channel spacing on
analog channels only. Rotate the Select switch to toggle between “WIDE” and
“NARROW”, and when the desired setting is displayed, store it by pressing the Select
switch. A single beep sounds when the switch is pressed (if that option is selected).
Draft 4/29/2014