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Raytheon
1. On/Off & Volume control
2. Channel Selector control
3. Squelch control
4. [16/9] key
5. [FUNC] Function
6. [SCAN] All Scan
7. [1/25] High/Low Power
8. [DWX] Dual Watch
w/ Weather
1. To turn the power on, rotate the On/Off/Volume knob clockwise. An audible "click" should be heard and either "16" or
"9" will display on the LCD, depending on which has been selected as the priority channel. Rotate the knob clockwise
to its mid-point position.
2. Turn the Squelch knob fully counterclockwise.
3. Set the On/Off/Volume knob to the desired listening level.
4. Rotate the Squelch knob slowly clockwise until the speaker noise "quiets".
5. Press the [FUNC] then [1/25] key to set the power output to 1 watt or 25 watts as deemed appropriate. A 1 watt
setting is generally recommended while in US harbors.
6. Rotate the channel selector control or press the channel up/down switch on the microphone to select the desired
operating channel. Your manual contains a listing of the available VHF Marine channels on pages 36 and 37. Refer
to the Marine Channel Usage Guide in Section 7 of your manual for appropriate channel usage. Use the quick 16/9
key to instantly select channel 16 or 9.
7. To transmit, press the microphone PTT (Push-to-Talk) switch.
8. Press [WX] to switch to the weather channel, and rotate the channel selector control or press the channel up/down
switch on the microphone, to select the desired weather channel (0-9). Press [WX] again to return to the previous
operating channel.
9. To enable the microphone speaker, press and hold [FUNC] and [M5] for 10 seconds. Repeat this procedure to
disable the microphone speaker.
RAY220 VHF/FM Radiotelephone Bridge Card
FRONT PANEL CONTROLS
9. [MEM] Memory
10. [INTL] International
11. [WX] Weather
12. [DW] Dual Watch
13. [SC] Scan Continue
14. [SS] Select Scan
15. [M1 -M5] "quick" memory keys
16. [RCL] Memory Recall
17. [D/L] Distant/Local Sensitivity
RAY220 OPERATING PROCEDURES
18. [DSC] Digital Selective Calling
19. [HAIL] Hailer
20. [FOG] Fog
21. [IC] Intercom
22. [SCRM] Scramble
23. Microphone PTT switch
24. Microphone 16/9 key
25. Microphone Up/Down
Channel switches
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