SEA 7157, Operator'S Manual, Page: 11 / 49

GENERAL OPERATIONS
6
UP
UP
UP
DN
DN
SELECTING A CHANNEL
Select the channel list containing the required
channel with the
key.
The channel may be selected by entering the
channel number directly with the number keys
followed by the
key.
Using the and keys will allow the
next or previous channel in the list to be
accessed. When a simplex channel is needed,
enter the closest channel number next to the
desired channel and press the up or down key.
e.g. To select CH 1
A
from the US list, press
the following keys:
repeatedly until the US list appears.
for CH 1.
key to access CH 1
A
.
ADJUSTING THE SQUELCH
The squelch prevents unwanted noise from
getting through to the speaker. The higher the
squelch setting, the less chance of noise getting
through.
Press the key followed by the
key until noise is heard through the speaker.
Increase the number of squelch bars on the
display by pressing the
key until the
noise stops. This is the ideal setting
for the squelch threshold. Pressing either the
or key will stop squelch
adjustment.
In the event that noise occasionally opens the
squelch, increase the number of squelch bars on
the display by one or two .
Adjusting the squelch threshold too high may
cause desired signals to be missed.
LIST
←
BKSP
ENT
LIST
←
BKSP
ENT
ENT
SQL
1
SP
PUBLIC CORR
2:45 47° 47N 122° 19W
26 DX
25W US
SQL
Low squelch setting
PRESS UP/DOWN
2:45 47° 47N 122° 19W
26 DX
25W US
SQL
TO ADJUST SQL
Ideal squelch setting
PRESS UP/DOWN
2:46 47° 47N 122° 19W
26
DX
25W US
SQL
TO ADJUST SQL
RADIO
PORT OPERS
2:44 47° 47N 122° 19W
1
DX
25W
A US
SQL
Use the UP key to access US CH 1A
2:44 47° 47N 122° 19W
1 DX
25W US
SQL
US CH 1
PUBLIC CORR
2:44 47° 47N 122° 19W
26 DX
25W US
SQL
Select the proper channel list