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Summary of Contents for Alan 451
- Page 1 ® T h e W o r l d C o m m u n i c a t i o n pmr446 English transceiver...
- Page 3 INDEX Introduction Coverage Table of symbols Batteries Care of Ni-Cd/Ni-MH rechargeable batteries Accessories To enjoy your radio for a long time Cleaning Controls description And now let’s communicate! Hands-free transmission mode (VOX / Baby-sitter) Delay adjustment Other functions Roger Beep: end transmission note Keypad /switching on beeps SCAN and B.SCAN DW (Dual Watch)
- Page 4 ALAN 451. Coverage Batteries The operating band (446 MHz) allows clear communication, ALAN 451 uses 3 AA type alkaline batteries (dry cells), or Ni- virtually free from atmosperich interferences up to a Cd/Ni-MH batteries (rechargeables). distance of 5 km.
- Page 5 It is better to store Ni-Cd/Ni-MH batteries that are chemicals. discharged rather than charged. Do not mix old and new batteries or rechargeable batteries of different capacities. Accessories ALAN 451 is equipped with a 2 pin standard jack for external speaker/microphone and recharge jack for Ni-Cd/Ni-MH batteries. Introduction...
- Page 6 Front Controls description OFF/VOL BSCAN DW VOX SAVE 1. “ON-OFF/VOLUME“ dial. With this control you can turn DOWN on or off the radio and adjust the volume to a comfortable BEEP level. In OFF position the transceiver is switched off. 2.
- Page 7 4. Display 6. “ ” keys. With these buttons you can select one of the 8 following channels: CHANNEL FREQUENCY (MHZ) BSCAN DW VOX SAVE 446.00625 446.01875 446.03125 446.04375 446.05625 BEEP 446.06875 446.08125 446.09375 DISPLAY SYMBOLS a Channel Indicator “ENTER/ LIGHTING” button. Hold this key down and b VOX activated the display will be lighting up for 6 secs.
- Page 8 If pressed at the switching on of ALAN 451, you can program the VOX sensitivity and delay (time to return in RX mode). 12. “PTT” (Press to talk).
- Page 9 50 %. Attention: alkaline batteries cannot be recharged. 15. Belt clip. ALAN 451 comes standard with a clip to hook up the unit to your belt. Attach it to the radio back by 18. Metallic load contacts. They enable to recharge the sliding the top of the clip up over the two rectangular batteries over a desk top charger (not supplied).
- Page 10 Release the “MON” button. Speak into the microphone: the transmission will automatically start. Now your Alan 451 is ready to receive and trasmit. To receive, stop talking. Select the desired channel by the keys. To deactivate the VOX mode, press again the...
- Page 11 The display shows: 2) Use again the keys to select the delay setting: “d1”, “d2” or “d3”(“d1” is the shortest and “d3” the longest delay). To confirm the selection, press or turn the unit off. 3) Select the desired vox level (L1, L2 o L3) by means of the buttons.
- Page 12 Other functions 1. Press repeatedly the key until the LCD shows “oN” and “BEEP” blinks. 2. Select “oF” by means of keys. ROGER BEEP: 3. Push to confirm the setting; “BEEP” disappears. End trasmission tone At PTT released, the radio beeps to confirm to the other users SCAN and B.SCAN that you transmission has finished.
- Page 13 This feature allows to scan only 2 channels at your choice. It’s useful when you want to keep track of two other people. In case your ALAN 451 does not properly work or you want to cancel all the settings, it is necessary to hold...
- Page 14 TECHNICAL SPECIFICATIONS GENERAL Number of channels Channel spacing 12.5 KHz Frequencies CH1:446.00625 MHz CH2:446.01875 Mhz CH3:446.03125 Mhz CH4:446.04375 Mhz CH5:446.05625 Mhz CH6:446.06875 Mhz CH7:446.08125 Mhz CH8:446.09375 Mhz Batteries 3 AA type alkaline 1.5V or 1.2V Ni-Cd/NiMH Temperature -20°C to +55°C Frequency control PLL synthesiser ±...
- Page 15 Intermediate Frequency 1'ST IF : 21.7MHz - 2'ND IF : 0.450MHz Spurious rejection within European legal terms Image rejection within European legal terms Intermodulation within European legal terms TRASMITTER Output power 500mW ERP Type of modulation ± 2.5 KHz (max) Deviation Spurious emission within European legal terms...
- Page 16 RESTRICTIONS TO THE USE CHART DERIVED FROM ERC/DEC (98) 25-26-27 COUNTRY PMR446 introduced Deviations from ERC Decisions and other comments AUSTRIA Hobby use excluded BELGIUM Individual licence is required DENMARK Free Use FINLAND Free Use FRANCE Not allowed use ch 1 (446.00625 MHz) and ch2 (446.01875 MHz) GERMANY Free Use GREECE...
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