Summary of the content on the page No. 1
User’s Guide
SP-400 Series Portable
4/16 Channel VHF-FM Portable Transceiver
4/16 Channel UHF-FM Portable Transceiver
www.midlandradio.com
Summary of the content on the page No. 2
SP-400 Series User’s Guide FCC RF EXPOSURE COMPLIANCE REQUIREMENTS FOR OCCUPATIONAL USE ONLY The Federal Communications Commission (FCC), within its action in General Docket 93-62, November 7, 1997, has adopted a safety standard for human exposure to Radio Frequency (RF) electromagnetic energy emitted by FCC regulated equipment. Midland Radio Corporation subscribes to the same safety standard for the use of its products. Proper operation of this radio will result in user exposure far
Summary of the content on the page No. 3
SP-400 Series User’s Guide Contents Conventions and Symbols in this Book ................................... 4 Disclaimer ................................................................................ 5 Safety....................................................................................... 5 Introduction .............................................................................. 7 Radio models ....................................................................... 7 Radio feat
Summary of the content on the page No. 4
SP-400 Series User’s Guide Sending a 2-tone/selective call or emergency call............. 20 Scanning channels............................................................. 21 Advanced Operations ............................................................ 24 Operating hands-free ......................................................... 24 Using the scrambler ........................................................... 25 Editing your scan list ..............................................
Summary of the content on the page No. 5
SP-400 Series User’s Guide Disclaimer Midland Radio Corporation is committed to continuous quality improvements, for this reason specifications may change without prior notice. Every effort has been made to ensure that the information in this document is complete, accurate, and up-to-date. Midland assumes no responsibility for the results of errors beyond its control. The manufacturer of this equipment also cannot guarantee that changes in the equipment made by unauthorized people wil
Summary of the content on the page No. 6
SP-400 Series User’s Guide Do not operate the radio near unshielded electrical blasting caps or in an explosive atmosphere. Do not transmit without the antenna attached to the radio. Though designed for protection against damage, damage to the transmitter may occur. Respect the environmental conditions. The radio is designed to operate in harsh environments, but avoiding extended or unnecessary exposure will prolong the service life. Never attempt to disassemble or service the rad
Summary of the content on the page No. 7
SP-400 Series User’s Guide Introduction Congratulations! By choosing the Midland SP-400 series, you have selected a professional grade portable radio. Its rugged design will provide years of reliable service and its sophisticated software allows many customizable options. Radio models There are four models in the SP-400 series portable radio line. The models differ only by band of operation and channel capacity. SP-410 – 4 channel VHF, 148-174 MHz. SP-420 – 4 channel UHF, 440-470 MHz
Summary of the content on the page No. 8
SP-400 Series User’s Guide 47 CTCSS tones and 104 DCS codes programmable per channel. 2-tone decode – your radio may be programmed to respond only when paged with a two-tone sequence. Two sequences selectable per channel and up to 15 different sequences programmable per radio. VOX (voice operated transmit) – allows hands-free operation using an optional headset/microphone. Voice inversion scrambler – for secure communications. Radio communications are encoded and decoded, when act
Summary of the content on the page No. 9
SP-400 Series User’s Guide Radio Controls Please read this section to familiarize yourself with the transceiver’s controls. 1 2 3 7 4 6 8 5 9 © 2005, Midland Radio Corporation 9
Summary of the content on the page No. 10
SP-400 Series User’s Guide Top [1] Channel selector knob. Rotate this knob to select the operating channel. [2] Power ON/OFF knob. Rotate this knob clockwise to turn the transceiver on (counterclockwise to turn off). [3] Status LED. Tri-color LED lights and flashes at different rates to indicate operating conditions. Front [4] Speaker. Receive audio will be heard from the built in speaker located in this area. [5] Microphone. The internal microphone is located here. Side (right) [6
Summary of the content on the page No. 11
SP-400 Series User’s Guide [8] PTT (Push to talk) button. The PTT button must be pressed while you speak into the microphone. Release the PTT button to receive transmissions from other radios. [9] Lower function (scan) button. The lower function button performs two functions. The primary function is activated by a brief button press (press and release) and the secondary function is activated by pressing the button for more than two seconds (press and hold): If you press and release th
Summary of the content on the page No. 12
SP-400 Series User’s Guide Setup Unpacking The following items are supplied in the standard package: One transceiver (SP-410, SP-420, SP-430 or SP-440) One battery pack (18-B02) One belt clip (81-BC1) One plastic accessory dust cover One rubber easy access dust cover One user’s manual If something is missing please promptly advise your supplier. Attaching and removing the antenna To attach the antenna: 1. Locate the antenna terminal (threaded female connector) on transceiver
Summary of the content on the page No. 13
SP-400 Series User’s Guide Installing and removing the battery pack To install the battery pack: Hold the transceiver’s body with one hand and the battery pack with the other. 1. Slide the bottom of the battery pack into the slots on the bottom of the transceiver. 2. Gently push the top of the battery pack toward the transceiver until a click is heard. The battery pack will snap into place and should be firmly locked. To remove the battery pack: 1. Press the battery release bu
Summary of the content on the page No. 14
SP-400 Series User’s Guide To install the belt clip onto the battery pack’s body: 1. Slide the clip into the appropriate guides located on the back of the battery until it firmly locks. To remove the belt clip: 2. Gently lift the belt clip release. 3. While lifting the belt clip release slide the belt clip off the battery. Charging the battery pack The battery pack should be charged prior to use. To charge the battery pack you should setup the charger and insert the radio (or bat
Summary of the content on the page No. 15
SP-400 Series User’s Guide contacts of the battery pack must make contact with the three contacts inside the cradle). The LED indicator will glow red indicating the battery is charging. 5. The rapid charger will fully charge the 1300 mAH NiMH battery in approximately 1.5 hours. The rapid charger will change to a green LED and switch to a trickle charge rate when a full charge is detected. The standard rate charger will charge the battery in about 12 hours. Removing the battery before
Summary of the content on the page No. 16
SP-400 Series User’s Guide Basic Operation This section describes many of the standard functions available on your SP-400 series radio. Many aspects of the radio can be changed or customized to suit the requirements, so not all functions may be available or operate as described. Due to the programming options of the radio, certain functions may be disabled or operate differently than described here. If in doubt please contact your dealer or communications coordinator for further detai
Summary of the content on the page No. 17
SP-400 Series User’s Guide call operation. The following paragraphs describe these modes of operation. Ask your dealer or communications coordinator if you have questions on how your radio has been programmed to operate. Carrier squelch operation A signal that matches the programmed receive frequency will be heard if it is of sufficient strength to exceed the squelch threshold. An on frequency signal exceeding the squelch threshold level will be indicated by a steady green status LED.
Summary of the content on the page No. 18
SP-400 Series User’s Guide 2-tone/selective call operation 2-tone or selective call signaling allows individual or group calls to be made to your radio. The radio may have been programmed to mute all receive signals until a 2-tone or selective call signal has been decoded. When the programmed 2-tone or selective call signal is decoded, the status LED will blink green, a ring tone may sound, and subsequent receive audio will be heard over the speaker. After the call has been acknowledged
Summary of the content on the page No. 19
SP-400 Series User’s Guide released within two seconds the monitor function will deactivate when released. If the upper function button is held pressed for more than two seconds the monitor function will latch on. Press and release the upper function button again to deactivate the latched monitor function. When the monitor function is activated a high pitched beep will sound and the status LED will light amber. When the monitor function is turned off a low pitched beep will sound and
Summary of the content on the page No. 20
SP-400 Series User’s Guide The radio might be programmed with a timeout timer which will automatically end your transmission after a preset time. In this case release PTT and wait for a few seconds. The radio transmitter will be enabled again after a few seconds. Ask your dealer or communications coordinator for further details. The radio might be programmed for busy channel lock out, which automatically disables the transmitter if your channel is busy. In this case wait until the ch
