Am Mode (Rx Only, Tx/Rx) - Furuno FS-1575 Service Manual

5) USER
The cursor skips the TX FREQ. This setting allows for the registration of frequencies
with the user channel and for the transmission of them. The range of registerable
transmission frequencies is from 1605.0 kHz to 27500.0 kHz.
• If no frequencies are registered with the user channel, even a Distress/Safety
frequency cannot be transmitted. Furthermore, a 2182 kHz cannot be called even by
pressing the [2182] key.
• Even if a frequency not registered with the user channel is entered on the DSC
COMPOSE window, COMM FREQ will be set to the frequency entered. In other
words, no restriction is put on transmission frequencies and a restriction is put only
on the RT window.
Reference)
1) The reception frequency range is from 100.0 kHz to 29,999.9 kHz regardless of
the setting of the Submenu-3 "TX FREQ."
2) Setting this Submenu-3 to "ITU/USER" or "USER" will not allow for the
selection of [MENU] -> 5.SYSTEM -> 2.KEY ASSIGN -> "TRX FREQ." If key
assignment is registered, it will be deleted.

2. AM MODE (RX ONLY, TX/RX)

This Submenu-3 is used to make setting of the availability of AM (H3E) mode for use.
• RX ONLY: Allows only AM reception.
• TX/RX: Allows AM transmission and reception.
Reference)
When setting to [MENU] -> 9.SERVICE -> 3.RT SETUP -> SETUP -> SELCALL
-> "ENABLE" with AM MODE set to "AM RX ONLY," the transmission of SEL
CALL frequency of "H2B/2331.5 kHz" will be allowed.
CONFIDENTIAL (internal use only)
This confidential document is used only by FURUNO authorized persons.
It is strictly prohibited to reproduce the document in whole or in part without prior written permission of FURUNO.
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4.7 SERVICE