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Operations
3.5.5 Setting the Frequency Mode (RAY230)
Select the channel frequency group to be used: US, International, or
Canadian. Indicators displayed in the LCD identify the active frequency
group: US for the US frequency group, INT for the International group,
and CAN for the Canadian group.
Changing the Frequency Group
Pressing the FUNC key followed by the INT key alternates the frequency
groups from US mode to International mode to Canadian mode then back
to US mode. When the power supply is turned on, the radio is initiated on
the last selected Priority Channel (9 or 16) in the frequency group last
selected.
When the frequency group is changed, the channel number remains the
same as was selected in the previous group, as long as that number is
present in the new group. If a channel number is absent in the destination
group, the new channel will be the previous number plus 1. When returning
to the previous frequency group, the channel returns to its original number
if the channel has not been changed. If the channel has been changed,
that number is retained when the frequency group is changed.
Example 1
CH15 US ⇒ CH15 INT ⇒ CH15 CAN ⇒ CH15 US
When shifting the frequency group, the channel remains the same because
the corresponding channel number exists in the new frequency group.
Example 2
CH2 CAN ⇒ CH3 US ⇒ CH2 INT ⇒ CH2 CAN
No corresponding channel exists in the new frequency group, so the
channel is incremented by 1. As long as the channel is not changed further,
it returns to its previous number if the frequency group is again changed.
Example 3
CH2 CAN ⇒ CH3 US, then changed to CH5 ⇒ CH5 INT ⇒ CH5 CAN
However, if the channel is changed in the new frequency group, this new
number is retained when the frequency group is changed.