Page 1: Table Of Contents
IN THIS BOOK… "Who-has-called" call (Call Queue) Introduction Manual call One touch call Warning notes Safety ADVANCED OPERATIONS Conventions and symbols in this book Sending status messages Sending FFSK free messages (SDM) PART NAMES AND THEIR FUNCTIONS Checking FFSK free messages (SDM) Sending dtmf patterns Front Handsfree transmission (VOX)
Page 2: Introduction
HP 125-K/HP 425-K is a real system radio, supporting CTCSS/DCS, affect the applicability of the information in it. 5 tone signalling systems (encoder/decoder up to 28 + 28 tones), This user’s guide is subject to change without notification.
Page 3: Conventions And Symbols In This Book
or in an explosive atmosphere. This product complies with the requirements of the Council Directives 89/336/EEC and 73/23/EEC on the approximation of the laws of the • Don’t transmit without the antenna fitted on the radio. Though member states relating to electromagnetic compatibility and low it is provided with a protection, it may damage the TX output final voltage.
Page 4: Part Names And Their Functions
Part Names and their functions Please have a look to the following parts description in order to familiarize with the transceiver’s main parts and controls. Numbers in brackets refer to the illustration. Antenna connector. Fit the antenna to this connector (MX thread type).
Page 5: Front
Front Speaker. The reception sound is emitted by the built in speaker located in this point. (power) button. Keep pressed this key to turn the transceiver on and off. LCD display. Shows the radio’s parameters (channel number etc.). Icon and symbols are further explained in the paragraph “Display”.
Page 6: Side (Left And Right)
[15] Microphone connector. For remote speaker/microphone, Side (left and right) headsets for VOX use and other accessories. It must be protected with the supplied rubber cap when not in use. For the related pin connections please see to “Microphone connection”. [16] Battery pack.
Page 7: Display
Display This section explains the meaning of the various indications which may appear on the LCD of your HP 125-K/HP 425-K handheld transceiver: Radio is transmitting (status LED will glow red at the same time) Loudspeaker is enabled (you will hear audio communications...
Page 8: Setup
Setup The supplied antenna is broadband type and covers the whole spectrum, so it doesn’t need any alignment procedure. Unpacking The following items are in the package: Installing/removing the battery pack (a) Transceiver’s main body (b) Rubber ducky antenna To install the battery pack (please see the figure): (c) Battery pack NiMH 1,200 mA/h (d) Standard battery charger composed by two parts: •...
Page 9: Installing/Removing The Belt Clip
To remove the belt clip: 2) Gently slide the battery pack toward the transceiver’s back edge keeping it slightly pressed onto the metallic back surface. 1) Remove the battery pack as explained in “Installing/removing the 3) At approx. 1.5 cm you will feel the battery’s guides fitting with the battery pack”.
Page 10: Basic Operations
1) Connect the jack coming from the AC adaptor to the cradle’s Basic Operations socket located in its right side. This section describes how the standard operations work. Standard 2) Connect the AC plug of the AC adaptor’s power cable into an operation can be changed by programming, moreover the functions earthed AC power outlet: the built-in green LED of the cradle will the radio includes can be modified via an IBM compatible PC.
Page 11: Switching The Radio On/Off
Switching the radio ON/OFF Reception To switch the radio on: Your radio could be previously programmed to work, channel by channel, in “Open traffic”, “CTCSS/DCS” or “Selcall” mode. Please 1) Hold the (power) button until the radio is switched on: the LCD have a look to each description and ask your radio network manager will start an autotest showing in sequence: or dealer which mode your radio channels work.
Page 12: Adjusting Volume
network in the same frequency, however they are just useful 1) Press the MENU key in order to access the command menu and to avoid disturbing stations not owning of the same network see on the display the message Channel. Normally you have to with messages not related to them.
Page 13: Transmission
Transmission When you need to transmit please get used to follow all these steps: Squelch 1) Ensure that the channel is not busy (otherwise you will create an interference, please wait till that condition). 3) Press the key repeatedly to decrease the squelch level: after 2) Press the PTT key: the status LED will glow red.
Page 14: Adjusting Transmission Power
Adjusting transmission Power Adjusting display contrast Your HP 125-K/HP 425-K can transmit with two power levels according You can adjust the LCD contrast in order to obtain the best readability. to the distance of your party station(s). Low and High levels can be...
Page 15: Radio Lock
in them. and transmit in the priority channel or in the first available vacant channel, depending on programming. 1) Repeatedly press the MENU key in order to access the command menu and see on the display the message g2 Scan g1. Channel scan can be programmed by your radio network administrator or dealer in a variety of different parameters depending to your needs, for example he can assign one or more priority...
Page 16: Selcall And Ctcss/Dcs Operation
To unlock the radio: Selcall and CTCSS/DCS Operation 1) If the radio is in Partial lock then press the MENU key: the display Reception will read PIN ..else go directly to point 2. During CTCSS/DCS and Selcall operation the radio may be set-up 2) Enter the PIN (four digits): the radio will be unlocked.
Page 17: Stored Call (Address Book)
Stored call (Address book) • Recalling the initial letter of the addresses. Press the key which states the initial letter (e.g. to call Mary press 5, to call John This mode allows you to originate a call by using a convenient press 4 etc.) the unit will display the first name of the address alphanumeric address book which has been programmed by your book starting with the selected character (or the next if no names...
Page 18: Who-Has-Called Call (Call Queue)
This is a convenient facility which is useful to check who has called Fred (ID 23) you and eventually call back him/her. First of all please note that your John Fred HP 125-K/HP 425-K has a sort of buffer reception memory which Robert John holds the last 10 received calls: Mary...
Page 19: Manual Call
2 If you need to delete an address stored in the call queue without Manual call calling it perform the over stated procedure. At the step 4 press If the radio network administrator or your dealer has enabled in your (clear) button: the selected address will be deleted.
Page 20: Advanced Operations
Advanced Operations Sending FFSK free messages (SDM) 1) Repeatedly press the MENU key in order to access the command In this section we’ll describe some advanced operation which you menu and see on the display the message Send SDM Ok. can do with your handheld transceiver: Sending status messages Send SDM OK...
Page 21: Checking Ffsk Free Messages (Sdm)
Checking FFSK free messages (SDM) DTMF pattern: 1) Repeatedly press the MENU key in order to access the command When you receive an SDM (FFSK message) you automatically see it menu and see on the display the message DTMF Send Ok. on the LCD.
Page 22: Care And Maintenance
microphone sensitivity value. Care and Maintenance Battery Packs Information on rechargeable batteries • When the battery pack is new it doesn’t provide 100% of its efficiency; it means that it might be discharged earlier. To reach 3) Ensure that the headset’s built-in microphone is located close to the full battery life you have to “run-in”...
Page 23: Memory Effect
I Don’t overcharge the battery: always remember to remove Erasing memory effect the radio after the necessary time. Memory effect can be easily erased just by applying 3-4 deeper I The battery charger is for indoor use only. charge/discharge cycles: 2 When possible, charge the battery when it is fully discharged or, 1) Use the battery fitted in the radio and wait till the radio switches at least, you have used it for the major part of its duty;...
Page 24: Radio Maintenance
I Use only genuine batteries and chargers. The use of non Radio maintenance genuine accessories may cause burns, fire or explosions; Cleaning battery packs making serious damages to the radio/battery or serious injuries Wipe the battery contacts with a clean and lint free cloth to remove to people.
Page 25: Optional Accessories
Optional accessories These optional accessories can be used to improve the transceiver’s Mic GND performances: • Spare battery pack. It extends the duty time and minimizes the possibility of memory effect (please see “Memory effect”). • Rapid charger. It recharges the battery packs in 1 hour and provides trickle charge when they reached their full charge.
Page 26: Quick Reference
Quick reference Operation resume Should you are now familiar with your transceiver you do know now that it’s very easy to use one of its menu command, you just have to do what follows: 1) Press repeatedly the MENU key until the required setting appears on the LCD.
Page 27: Lcd Memo Reference Guide
LCD Memo reference guide locate each function/setting. This is just a memo, for further details As soon as you have read the whole manual, the following table please see the related paragraph. resumes the meaning of each LCD message to help you to quickly LCD Message Description For full details please...
Page 28 LCD Message Description For full details please see… (Selcall) Display the addresses of the last 10 received addresses (to recall the Who-has-called call CallQueue Ok callers). Press to access the call queue, then use to select an address. Hold pressed the to call, or hold pressed the to delete it.
Page 29: Main Specifications
Main Specifications General Frequency Bands VHF (HP 125-K): 136÷174 MHz (136÷162 / 146÷174 MHz) UHF (HP 425-K): 400÷520MHz (400÷440 /440÷470/490÷520MHz) Number of Channels more than 100 Frequency Control synthesizer Modulation System F3E / G3E Channel spacing 12.5 / 20 / 25KHz -30°...
Page 30: Af & Signalling
Sensitivity < 0.25µV @ 12 dB SINAD Intermodulation Rejection > 65dB Spurious Response Rejection > 70dB Adjacent Channel Selectivity > 60dB 12.5KHz, 70dB 25KHz Switching Bandwidth full band Squelch threshold 0.18µV Squelch hysteresis < 3dB AF & signalling Audio power >...
Page 31: Index
Channel selection Index Charger see Battery charger Cleaning the radio Connectors Contrast Address book LCD adjusting Adjusting Conventions and Symbols Display Contrast Squelch Transmission Power Display Volume Adjusting contrast Antenna DTMF fitting/removing Sending patterns Battery charger FFSK rapid (optional) Checking free messages standard Sending free messages (SDM) Battery pack...
Page 32 Spare battery pack Sending status messages Output power Transmission Adjusting Sending a Selcall DTMF patterns Part Names and their functions Setup Power Battery pack button Belt clip ON/OFF Charging the battery pack TX output adjustment Fitting antenna Package contents Quick reference Unpacking LCD memo reference guide Specifications...

Alan HP 125-K Operation Manual

Advanced Operations

Care and Maintenance

Optional Accessories

Quick Reference

Main Specifications

Index

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Table of Contents