E F Johnson Company 2425M70 Manual De Usuario

7-3

- If in the secure mode and your radio is not programmed with the proper encryption 

key, “KEYFAIL” is displayed and the call must be made in the clear mode or the 
proper key must be programmed.

- If the busy tone sounds and “BUSY” is displayed, the system is busy. Release the 

PTT switch and wait for the call back tone to sound. Then press the PTT switch 
within three seconds.

- If a continuous tone sounds and “OUT OF RANGE” is displayed, you may be out of 

range of the site or blocked from it by radio-shielding structures or objects. Drive 
away from shielding structures or objects and try again. If this does not work, drive 
closer to the site.

- If your unit ID is invalid, the call is being made to an invalid group ID, or group calls 

are not enabled, “DISABLED ID” is displayed and an alert tone sounds.

- If an attempt is made to change an analog channel from the clear to the secure mode 

and there is no available secure channel, “CLEAR ONLY” is flashed, an error tone 
sounds, and the call is terminated.

- If an attempt is made to change an analog channel from the secure to clear mode, 

“SECR ONLY” is displayed, an error tone sounds, and the call is terminated. (Calls 
on digital channels can be changed if they are not strapped to clear or secure).

- If the Secure mode is selected by the C/S (Clear/Secure) option switch or menu 

parameter and an attempt is made to transmit on a channel strapped as Clear, 
“CLEAR ONLY” is displayed and the transmitter is disabled. Likewise, if the Clear 
mode is selected and the channel is strapped as secure, “SECR ONLY” is displayed 
and the transmitter is disabled.