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Summary of Contents for JEM Radio II
- Page 1 JEM Radio II Operation Guide Manual P/N M09999-999 Sept. 2024 2115 Victor Place Colorado Springs, Colorado 80915 800.284.0399 www.jemcom.com...
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Page 2: Table Of Contents
JEM Radio II Operation Guide Table of Contents Display ....................................3 Channel Entry .................................4 Text Messages .................................4 Buttons ....................................5 Headset Use ..................................6 Bluetooth ..................................6 Network Use ...................................6 Secondary Control Head ..............................6 Menus ....................................7 GENERAL ..................................8 AUDIO ..................................9 NXDN ..................................10 INFO ..................................10 DISPLAY ..................................11... -
Page 3: Display
In the image above, the radio is on home channel 3, volume level 7, RAN codes of 23 for TX/ RX, and JEM HOME BASE channel name. When the radio is transmitting “TX” will be displayed in the lower right corner. -
Page 4: Channel Entry
'1' to view the most recently message received. Use the volume up and down button to change the SCROLL MSG number, followed by MENU to display the message(s). To view all stored messages, set SCROLL MSG to '0'. The JEM Radio II can store up to 10 messages. -
Page 5: Buttons
• Pressing RAN when on an analog channel will display “PLL _ _ _ _”. (See Appendix A) (Feature needs to be enabled, refer to JEM Radio II Software Guide.) • Pressing Home followed by # will revert to the previous Channel/RAN/PLL that the radio was... -
Page 6: Headset Use
Network Use On the back of the JEM Radio II is a network interface port. Currently, you can use the JEM programming software to program home channels and adjust minimum volume levels through the network port. In the future, it may be possible to use this port to remotely control the JEM Radio II, perform firmware upgrades, send text messages to the display, and get information about the radio itself. -
Page 7: Menus
Note, some of features may not be present in the menu due to being disabled during programming based on each customers needs. Please refer to the JEM Radio II Software Guide for more information about programming and customizing the functionality of the JEM Radio II. -
Page 8: General
JEM Radio II Operation Guide GENERAL GENERAL DESCRIPTION 1 SQUELCH Adjusts the squelch level of the radio when on analog channels. The squelch cannot be adjusted when on digital channels. 2 VOL OFFSET Controls the relative volume of the speaker outputs on pins M&N of the 12-pin connector... -
Page 9: Audio
JEM Radio II Operation Guide AUDIO AUDIO DESCRIPTION 1 <USER 1> Controls the audio levels of the connection to the 6-pin connector. 2 <USER 2> Controls the audio levels of the connection to the 12-pin connector. 3 <USER 3> Controls the audio levels of the connection to the 6-pin connector on the back of the head, when used in a two piece configuration. -
Page 10: Nxdn
MODEL Model of internal radio RADIO FIRM Some versions of the JEM Radio II will show the core radio's firmware. However, the feature is unavailable on units with the Kenwood NX-5700 core radio installed. -
Page 11: Display
JEM Radio II Operation Guide DISPLAY DISPLAY DESCRIPTION BRIGHTNESS Use the volume up or down buttons to adjust the display's brightness. NXDN DATA A setting of 0 disables all NXDN data (talk groups and text messages) from being shown on the display. -
Page 12: Cable Connectors
JEM Radio II Operation Guide Cable Connectors Remote Control Head Connector (19-Pin) Signal Audio Out Hook 1 Mic Audio 3 Speaker - Speaker + RXF 232 TXF 232 PTT 1 Mic Panel... -
Page 13: Power Connector (4-Pin)
JEM Radio II Operation Guide Power Connector (4-Pin) Signal Description + 74 Vdc Primary isolated input voltage - 13.6 Vdc Radio common (chassis) - 74 Vdc Primary isolated input voltage + 13.6 Vdc Regulated radio voltage input *Only one supply voltage can be used at a time. -
Page 14: Accessories Connector (12-Pin)
JEM Radio II Operation Guide Accessories Connector (12-Pin) Signal Description Remote Mic Remote microphone audio input Mic Ground Remote microphone ground Remote PTT Input signal for remote transmit activation PTT Return PTT reference (common) Remote Audio Low level audio output + 13.6 Vdc... -
Page 15: Pll Frequency Lookup Table
JEM Radio II Operation Guide Appendix A PLL frequency lookup table When on an analog channel, PLL frequencies could be entered using the RAN button with the following conversion table. 2 Digit Code Frequency 2 Digit Code Frequency (Hz) (Hz) 136.5... - Page 16 JEM Radio II Operation Guide Appendix B Default Volume Values Setting Value Volume Offset Audio Out 1 Audio Out 2 Audio Out 3 Mic 1 Mic 2 Mic 3 Mic 2/3 Mic 1/3 Mic 1/2...
- Page 17 JEM Radio II Operation Guide Appendix C MAIN 1 <GENERAL> 2 <AUDIO> 3 <NXDN> 4 <INFO> 5 <DISPLAY> 6 <BLUETOOTH> BLUETOOTH DISPLAY GENERAL AUDIO NXDN INFO 1 SQUELCH 1 <USER 1> 1 SN [SERIAL NUMBER] 1 BRIGHTNESS 1 <MY DEVICES>...
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