ICOM 287900 Manuale Utente
■
Lock functions
To prevent accidental frequency changes and unnecessary
function access, use the lock function.
function access, use the lock function.
➥
Continue to hold [SET•
] down for 2 sec. after power
ON to turn the lock function ON and OFF.
• [MONI•T/T-SCAN] (monitor function only), [VOL], [SQL],
[MAIN•AGC] (main band selection only) and [MAIN•NB] (main
band selection only) can be used while the channel lock function
is in use.
band selection only) can be used while the channel lock function
is in use.
■
Attenuator function
The attenuator prevents a desired signal from distorting when
very strong signals are near the desired frequency or when
very strong electric fields, such as from a broadcasting sta-
tion, are near your location. The attenuator gain is about 20
dB and this function can be activated on 1300 MHz or below.
very strong signals are near the desired frequency or when
very strong electric fields, such as from a broadcasting sta-
tion, are near your location. The attenuator gain is about 20
dB and this function can be activated on 1300 MHz or below.
➥
Push [ATT•PRIO] momentarily to toggle the attenuator
function ON and OFF.
function ON and OFF.
• “ATT” appears when the attenuator function is in use.
[ATT•PRIO]
Appears
[PWR• ]
2 “L”s appear while the lock function is activated.
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BASIC OPERATION