
OPERATION
Have questions? Call
800-USA-1-USA
(800-872-1872) or visit our website at www.ritron.com 8
ADDITIONAL FEATURES
The JMX “D-Series” handheld radios have other features
available through PC programming. See your Ritron dealer or
contact Ritron directly for PC programming of these options.
• Receive and Transmit Frequencies not contained in
Frequency Code Table 1, page 12.
• Wide or narrow band transmit operation can be set per
channel. Refer to the section FCC Narrowband Mandate
to
see if your radio is capable of wideband transmit operation.
Additional PC programmable features available to models
JMX-144D / 444D / 446D ONLY
include:
• Scan Channel Options include scan resume delay time,
busy channel blocking, last active channel beeps, and
priority scanning options.
• Squelch Tightener Receiver carrier squelch can be
adjusted UP or DOWN.
• Transmit Power (JMX-144D and JMX-444D Only)
• Transmit Time Out can be changed or disabled.
• Monitor Lock Out can be set to prevent monitoring of the
channel, only broadcasts with the correct QC or DQC code
can be heard.
• Transmit Inhibit on Busy Channel can be set to prevent
transmitting when a broadcast is present on the receiver
that does not carry the correct code.
• Receive Squelch Tone sounds at the end of each received
transmission.
• Transmit Clear To Talk Beep sounds after the PTT has
been pressed.
• Power Saver time can be set or disabled.
• Field Programming can be disabled.
• 4-Hour Inactivity Turn-Off The radio can be set to turn off
automatically if not used for over 4 hours.
• 2-Tone Encode and Decode The radio can be
programmed to send and receive 2-tone paging.
Komentáře k této Příručce