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Function Button (5):
In the standby mode, pressing this button briefly will enter the function edit mode.
Pressing the button for more than 1.5 seconds will activate or deactivate the KEY
LOCK when the unit is in the standby mode. Refer to KEY LOCK function description
to activate and deactivate the KEY LOCK.
NOTE: All buttons will be disabled except for the Up ( ) Button (8) or the Down
(
) Button (12) Monitor (M) Button (13) and the PTT Button (14).
Monitor (M) Button (13):
The Monitor Button is used to check the activity on a channel before transmitting.
When the Monitor Button is pressed, the LCD panel (15) will be lit with an amber
backlight, and both the transmit (red) and the receive (green) LEDs will light. Pressing
the Monitor Button during the edit function mode will confirm and entry and return the
unit to standby. Pressing the Monitor Button during a VOX tranmission (voice
activated transmission) will discontinue the transmission and disable the VOX
function for 10 seconds.
External Microphone/Speaker (6):
This jack accepts an Audiovox FRS-BHST headset/microphone for total hands- free
operation.
NOTES FOR GOOD COMMUNICATION
1 . The FR-1538 14 channels are shared on a ‘take turns’ basis. This means
other groups may be talking on any of the channels. A common code of
ethics/courtesy is to switch to another vacant channel and not to attempt
to talk over someone who is already using the channel you first selected.
2. The FR-1538 has been designed to maximize performance and improve
transmission range in the field. To avoid interference, it is recommended
that you do not use the units closer than 5 feet apart.
3. For best transmission results, always keep your mouth about 2-3 inches
from the microphone (10) and speak slowly in a normal voice.
10