Motorola XPR 4380 用户手册
Advanced Features
English
30
NOTE: The radio is unable to receive any call, including
emergency calls, in locked state.
The use of Emergency footswitch cancels out
password input to access the radio.
password input to access the radio.
Unlocking the Radio from Locked State
Procedure:
Wait for 15 minutes. Repeat Steps 1 to 3 in Accessing the
Radio from Password on page 29.
OR
Power up the radio, if you have powered down the radio during
locked state:
Wait for 15 minutes. Repeat Steps 1 to 3 in Accessing the
Radio from Password on page 29.
OR
Power up the radio, if you have powered down the radio during
locked state:
1
A tone sounds and the yellow LED double blinks.
2
Wait for 15 minutes. Repeat Steps 1 to 3 in Accessing the
Radio from Password on page 29.
Radio from Password on page 29.
Your radio restarts the 15 minutes timer for locked state when
you power up.
you power up.
Utilities
Setting the Squelch Level
You can adjust your radio's squelch level to filter out unwanted
calls with low signal strength or channels that have a higher
than normal background noise.
calls with low signal strength or channels that have a higher
than normal background noise.
Settings: Normal is the default. Tight filters out (unwanted)
calls and/or background noise. However, calls from remote
locations may also be filtered out.
calls and/or background noise. However, calls from remote
locations may also be filtered out.
Procedure:
1
Press the programmed Squelch button.
2
You hear a positive indicator tone, indicating the radio is
operating in tight squelch.
OR
You hear a negative indicator tone, indicating the radio is
operating in normal squelch.
operating in tight squelch.
OR
You hear a negative indicator tone, indicating the radio is
operating in normal squelch.