The DISTRESS key

Used to send a DSC Distress Call. To send the distress call refer to section “19.2.0 Transmitting A DSC Distress Call.”

The Soft keys (located underneath the display) These keys are used for selection of a variety of function.

The actual selection available is shown on the display, just above the function key.

The PWR key and Lamp/Contrast

Press and hold [PWR] to turn the CPV550 On or Off.

Secondary use

Once on, press the [PWR] key to show the Contrast and Lamp popup window. To adjust, move the ShuttlePoint knob left/right to adjust the backlight and up and down to adjust the displays contrast. To store the settings press the [ENT] key.

The Microphone jack

Connects the CPV550 to the supplied Hand Microphone.

17.1RECEIVER AUDIO TONE CONTROL

Allows the treble and bass of the speaker audio to be adjusted for best listening in noisy environments. The effect is similar to adjusting a the treble and bass controls on a stereo.

1.From the chart page, press the [MENU] key two times. Move the ShuttlePoint knob to highlight RADIO SETUP and press [ENT] or move the ShuttlePoint knob to the right.

2.Move the ShuttlePoint knob to highlight VHF SETTINGS and press [ENT] or move the ShuttlePoint knob to the right.

3.Move the ShuttlePoint knob to highlight AF SETUP and press [ENT] or move the ShuttlePoint knob to the right.

4.Move the ShuttlePoint knob to highlight TREBLE and press [ENT] or move the ShuttlePoint knob to the right.

5.Move the ShuttlePoint knob up or down to select desired audio response in the higher frequency range. Available selections are –6” through +6.

6.Press [ENT] to store the selected setting.

7.Move the ShuttlePoint knob to highlight BASS and press [ENT] or move the ShuttlePoint knob to the right.

8.Move the ShuttlePoint knob up or down to select desired audio response in the lower frequency range. Available selections are –6” through +6.

9.Press [ENT] to store the selected setting.

10.Press [CLR] until the menu disappears or an easier method is to move the ShuttlePoint knob to the left a few times.

Figure 17.1 - AF Setup menu

CPV550

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