Have questions? Call
800-USA-1-USA
(800-872-1872) or visit our website at
www.ritron.com
INTRODUCTION
page
1
PHILLIPS
HEAD
SCREW
BELT
CLIP
FIG-1: BELT CLIP INSTALLATION
Place the clip on the back of the
radio case, aligning the screw hole in
the clip with the hole in the case.
Tighten the screw. See FIG-1 below
.
"FOUR SERIES" MODEL NUMBERS
VHF
MODEL
JMX-141
............. (Jobcom) ........... (1.5-Watt, 4 Channel)**
JMX-146XP
........ (Jobcom) ........... (2-Watt, 4 Channel)
JMX-144
............. (Jobcom) ........... (4-Watt, 4 Channel)
JMX-146
............. (Jobcom) ........... (2-Watt, 4 Channel *)
UHF
MODEL
JMX-441
............. (Jobcom) ........... (1-Watt, 4 Channel)
JMX-446XP
........ (Jobcom) ........... (2-Watt, 4 Channel)
JMX-444
............. (Jobcom) ........... (3-Watt, 4 Channel)
JMX-446
............. (Jobcom) ........... (2-Watt, 4 Channel *)
The FCC permits high power operation on all MURS frequencies,
red, purple, yellow, and brown dot frequencies. All other dot/
star frequencies are allowed a maximum of 2 Watts.
* JMX-146/-446 are limited to four-channel capability using
table frequencies only, PC programming is not possible
with these models.
** New Expanded Frequency List on models manufactured
after 10-30-01.
NEW EASIER FIELD PROGRAMMING METHOD
Your new JMX "Four Series" portable radio is the result of con-
tinuous product improvement, with special attention to our cus-
tomers' feedback. Each is equipped with these improved fea-
tures:
Four-channel capability,
Allows you to select and program each channel
individually with channel table frequencies and interfer-
ence eliminator codes;
Allows you to delete a selected channel.
To attach the belt clip to the radio:
CAUTION:
Use only the included Phillips head
screw
, because a longer screw could
damage radio electronics.
THANK YOU FOR CHOOSING RITRON
Congratulations on your purchase of the JMX "Four
Series" radio. Your new radio is the culmination of
Ritron's 25 years of designing, manufacturing, and
supplying reliable, professional wireless communica-
tion products. Ritron wireless products will improve the
operation, safety, and profitability of any organization
by providing instant voice communications between
employees throughout the workplace.
GENERAL
This manual covers your Ritron JMX "Four Series" radio.
The JMX radio is a compact, programmable two-way
handheld designed to operate in a professional FM
communications band (VHF/UHF). Your JMX handheld
features push-button operating controls, with the
Push-To-Talk (PTT) and Channel buttons on one side of
the radio, and the On/Volume Up, Volume Down/Off
and monitor controls on the top. It can be programmed
to contain a unique set of operating frequencies and
options.
Your JMX radio also features quick-change battery
pack and drop-in charger capabilities. Refer to the
listed Accessories options on page
ii
.
MODEL IDENTIFICATION
The model number on the back of the radio case
indicates its operating band. A color "dot" label on the
bottom of JMX radio cases also indicates the fre-
quency. Refer to the Frequency Table on page 5.
VHF
radios are designed to operate on up to four
channels within the 5 MHz band between factory
standard 150 and 155 MHz.
UHF
radios are designed to operate on up to four
channels within the 10 MHz band between factory
standard 460 and 470 MHz.
CH
INSPECTION
Make sure the package includes a radio, antenna,
rechargeable battery pack and belt clip. Examine
the equipment immediately after delivery and re-
port any damage to your shipping company.
