Page 2 - FCC RF EXPOSURE COMPLIANCE REQUIREMENTS
SP-400 Series User’s Guide 2 © 2005, Midland Radio Corporation 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 Frequen...
Page 3 - Contents
SP-400 Series User’s Guide Contents Conventions and Symbols in this Book ................................... 4 Disclaimer ................................................................................ 5 Safety ....................................................................................... ...
Page 4 - Conventions and Symbols in this Book
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 .....................
Page 5 - Disclaimer; Read the instructions in this handbook carefully; sure to save it for future reference.; Do not carry the transceiver by the antenna
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 a...
Page 6 - Respect the environmental conditions
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 condi...
Page 7 - Introduction; Radio models
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...
Page 9 - Radio Controls
SP-400 Series User’s Guide Radio Controls Please read this section to familiarize yourself with the transceiver’s controls. 2 3 1 7 4 6 8 5 9 © 2005, Midland Radio Corporation 9
Page 10 - Top
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 op...
Page 11 - The PTT button must be pressed
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...
Page 12 - Setup; Unpacking
SP-400 Series User’s Guide Setup Unpacking The following items are supplied in the standard package: 5 One transceiver (SP-410, SP-420, SP-430 or SP-440) 5 One battery pack (18-B02) 5 One belt clip (81-BC1) 5 One plastic accessory dust cover 5 One rubber easy access dust cover 5 One user’s manual If...
Page 13 - Installing and removing the battery pack; To install the battery pack:; Installing and removing the belt clip
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 son the bottom of the transceiver. lots 2. Gently push the top of the batte...
Page 14 - To install the belt clip onto the battery pack’s body:; Charging the battery pack; Make sure the radio is switched off.
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 be...
Page 15 - The battery charger is for indoor use only.
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 wil...
Page 16 - Basic Operation; Turning the radio ON and OFF
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 programmi...
Page 17 - Carrier squelch operation; green
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 frequenc...
Page 18 - Monitoring the channel
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...
Page 19 - Transmitting to other radios; Follow these steps to transmit on your radio:
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 fu...
Page 20 - Selecting transmission power
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 co...
Page 21 - Scanning channels; resume timer
SP-400 Series User’s Guide If a 2-tone or selective Call 1 or Call 2 has been assigned for the selected channel, it may be sent by pressing the PTT button then pressing the upper (Call 1) or lower (Call 2) function button. If your transceiver has been programmed to send an emergency call for the sel...
Page 22 - Busy channel scan; channel dwell time; Priority channel scan; priority channel lookback
SP-400 Series User’s Guide customize the scan options for your particular situation, so the following paragraphs detail the available options. Busy channel scan If no priority channel has been programmed by your dealer or communications coordinator, all channels in your scan list will be checked for...
Page 23 - Transmitting while in scan mode; When PTT is pressed, the radio will generate an error beep
SP-400 Series User’s Guide Transmitting while in scan mode If PTT is pressed while the radio is in scan mode, your dealer or communications coordinator may have programmed one of the following options for the transmit channel: 1. When PTT is pressed, the radio will generate an error beep because you...
Page 24 - Advanced Operations; Operating hands-free
SP-400 Series User’s Guide Advanced Operations Operating hands-free VOX (voice operated transmit) is a method that allows the transceiver to automatically begin transmitting when it detects sufficient audio from an optional headset microphone. Correct VOX operation generally requires specific headse...
Page 25 - Selecting VOX sensitivity; except the programmed priority
SP-400 Series User’s Guide Selecting VOX sensitivity When VOX is activated you may toggle between low and high VOX sensitivity by pressing the lower, then upper function buttons, and releasing both within two seconds. A high beep will sound when high sensitivity is selected and a low beep will sound...
Page 26 - Care and Maintenance; Using rechargeable battery packs
SP-400 Series User’s Guide If only two channels remain in the scan list, it is not possible to delete either of them. When the radio is turned off (not when scan is turned off) the programmed default scan list will be restored. Scan list edit is only available when scan is not turned on. To add or r...
Page 27 - Recharging battery packs
SP-400 Series User’s Guide To avoid damaging the power cable of the battery charger, do not put anything on it or place it where it will be walked on. Do not use the charger if it received a strong shock, has been dropped or it appears damaged. Contact your dealer or communications coordinator for a...
Page 29 - Memory effect; regularly; Erasing memory effect
SP-400 Series User’s Guide Memory effect The NiMH (Nickel Metal Hydride) battery pack is made with a more advanced technology than a NiCd (Nickel Cadmium) battery. For this reason it is virtually free of what is called “memory effect”, which affects NiCd batteries. Memory effect causes a reduction i...
Page 30 - Fully charge the battery and check the battery capacity. If; Cleaning your radio; soft pencil rubber; Do not use liquid, alcohol or aerosol cleaners.; Optional Accessories; The speaker input impedance should be at least 8 ohms.
SP-400 Series User’s Guide 5. Fully charge the battery and check the battery capacity. If you believe some memory effect still exists go back to step 1. If the battery capacity does not improve after performing steps 1-5 three times, your battery pack is faulty or has reached the end of it’s life. C...
Page 31 - Any accessory should be of high quality suitable for; Recommended accessories
SP-400 Series User’s Guide 3. Any accessory should be of high quality suitable for professional use. ! Please do not connect any accessory if you are unsure it meets the requirements listed. You could damage your radio. Please consult your dealer or communications supplier for compatible accessories...
Page 32 - Quick Reference; Controls function table
SP-400 Series User’s Guide Quick Reference Controls function table Control Operation Function On/off knob Turn clockwise past detent Turns the radio on On/off knob Turned further clockwise Increases the speaker volume Channel knob Rotated while scan is off Selects channel of operation Channel knob R...
Page 33 - Status LED table
SP-400 Series User’s Guide Status LED table Indication Status None while PTT pressed (see also Activating VOX) Timeout timer or penalty active Steady red while PTT pressed Transmitting Continuous red flash while PTT pressed No TX, very low battery voltage Single red flash in standby mode (repeated e...
Page 34 - Specifications
SP-400 Series User’s Guide Specifications General specifications SP-410 / 430 (VHF) SP-420 / 440 (UHF) Frequency range 148-174 MHz 440-470 MHz FCC ID number MMA80151 MMASP-440 FCC type acceptance Part 90 Part 90, 95 Maximum number of channels 4/16 4/16 Channel spacing 12.5/25 KHz 12.5/25 KHz Channel...
Page 35 - Warranty Statement
SP-400 Series User’s Guide Warranty Statement Midland Radio Corporation (herein, Midland) warrants each new radio product manufactured or supplied by it to be free from defects in material and workmanship under normal use and service for a period listed below, provided that the user has complied wit...