[5(IC)] Key

When in radio mode, this key is used to directly select channel digit “5” in a channel number.

Secondary use

Press the [F] key then press the [5(IC)] key to activate intercom function between RAM+(s) or VH-310 handset(s). Refer to section “18.13 INTERCOM OPERATION” for details.

[6(NAV)] Key

When in radio mode, this key is used to directly select channel digit “6” in a channel number.

Secondary use

Press the [F] key first then press the [6(NAV)] key, the LCD will display NAV GPS Data, Time, SOG (Speed Over Ground), and COG (Course Over Ground).

[7(SCRM)] Key

When in radio mode, this key is used to directly select channel digit “7” in a channel number.

Secondary use

Press the [F] key first then press the [7(SCRM)] key, available to cancel the voice scrambler temporarily. Refer to section “22.1 PA/FOG OPERATION” for details.

[8(PA)] Key

When in radio mode, this key is used to directly select channel digit “8” in a channel number.

Secondary use

Press the [F] key first then press the [8(PA)] key, available to operate the 30 Watt PA function. Refer to section “22.1 PA/FOG OPERATION” for details.

[9(FOG)] Key

When in radio mode, this key is used to directly select channel digit “9” in a channel number.

Secondary use

Press the [F] key first then press the [9(FOG)] key, available to operate the Fog Horn function. Refer to section “22.1 PA/FOG OPERATION” for details.

[0] Key

When in radio mode, this key is used to directly select channel digit “0” in a channel number.

Secondary use

Used to select A (alpha channels). Press the desired channel keys then press and hold

[0]key until “A” appears next to the channel number and press [ENT] to select the channel.

[CLR] Key

Press the [CLR] key to cancel the menu selection and/or keypad entry.

[ENT] Key

Press the [ENT] key to enter the menu selection and/or keypad entry.

CPV550

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