Eton SOLARLINK FR600 Manuel D'utilisation page 17

Your radio can be set for one (SINGL) to 23 (MULTI) codes, or can be
set to receive ALL coded information sent from any transmitter, if
your within range. When you set codes, it will only pick up alerts
when you're in that county or within reception distance of the signal.
To set codes:
1) Revolve the <Band Selecting Knob> to the "OFF" position.
2) Press the <MENU> button shortly to enter the setting menu.
3) Press  or shortly to select the "COUNTY CODE" option.
4) Press <SELECT> shortly once to enter the county code setting
mode (MULTI, SINGL or ALL), which blinks in the display.
5) If you don't know your county code, select ALL with or and
press <SELECT> and then <MENU> TO EXIT. If you know your
code, don't press SELECT and go to the next section.
6) Press  or  shortly to select MULTI or SINGL and press
<SELECT>.
7) Press <SELECT> shortly again to enter the code. CODE 01
XXXXXX appears in the display, with 01 flashing.
8) Press <SELECT> again and the first digit of six starts flashing.
Press or  to set the first digit and then press to go to the
second digit, doing this again and again until all six digits are
entered.
9) If you're in SINGL, press <SELECT> and then <MENU> to exit.
If in MULTI, go to the next step.
10) If you're in MULTI and wish to enter more codes, press
<SELECT>.
11) 01 flashes. Press or  to go to another code setting number
(1-23 flashes) and press <SELECT>.
SOLARLINKFR600 OWNER'S MANUAL
17