For example:
To change the pre-programmed RF frequency
of 151.6250 to 158.4000, set S1 to ON, S2 to OFF,
S3 and S4 to ON position.
ON = switch set towards speaker
OFF = switch set towards battery
* Itinerant frequency, no license required
S1 S2 S3 S4
ON
FREQ. (MHz)S1S2S3S4
151.6250 ON ON OFF OFF
151.6550 OFF ON ON ON
151.6850 ON OFF ON OFF
151.7150 OFF ON OFF ON
151.7750 OFF ON ON OFF
151.8050 ON OFF OFF ON
151.8350 ON ON OFF ON
151.8950 OFF OFF ON OFF
151.9250 ON ON ON OFF
151.9550 OFF OFF ON ON
154.4900 OFF ON OFF OFF
154.5150 ON OFF OFF OFF
154.5400 OFF OFF OFF ON
154.5700 OFF OFF OFF OFF
154.6000 ON ON ON ON
158.4000 * ON OFF ON ON
Table 1 - VHF RF Frequency Settings
SWITCH POSITION
9