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Table of Contents
Summary of Contents for Dragon Wholesaling SY-252N
- Page 1 DRAGON User Manual SY-252N 2-m VHF Amateur Transceiver...
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Page 2: Table Of Contents
Front panel - and microphone knobs and - keys................6 Direct entry key functions (basic functions)..................7 On / Off, Volume and Squelch settings....................7 The LC Display of SY-252N....................... 7 Push-to-talk button (PTT)........................8 TONE CALL 1750 Hz........................8 Direct access to „Call“ channel......................8 Frequency search mode SCAN...................... -
Page 3: Regulatory Notes, Declaration Of Conformity
Regulatory notes, Declaration of Conformity SY-252N Manufacturer’s Declaration of Conformity This amateur radio transceiver corresponds to the essential requirements of the EU Directive(s) 89/336/ EEC (EMC), Low-Voltage-Directive 73/23/EEC, R&TTE Direktive 1999/5/EC, fulfills the harmonised European technical standards for commercially available amateur radios EN 301 783-2, EN 301 489-1, EN 301 489-15 and EN 60 950 and is marked with CE and „Alert Sign“. -
Page 4: Installation And Setup
General remarks for operating this radio Our 2m FM transceiver SY-252N is one of the smallest available compact 12 V transceivers. It can be used everywhere provided that a suitable 12 V power supply and an external 2 m antenna is available, e.g. -
Page 5: Connecting To Dc Power
Any antenna must be checked and aligned for best possible SWR (standing wave ratio). The final power amp transistor of your SY-252N is able to tolerate an SWR up to 1:2. Use a PL 259 type plug for antenna connection. A good, VHF usable quality has teflon insulation! Do... -
Page 6: Sy-252N As Base Station
SY-252N as Base Station Please respect possible restrictions in some countries (e.g. Germany), where safety distances from antennas to other persons have to be declared when certain output power levels are exceeded. For safety reasons, please do not operate this radio in high power position (25-30 Watts RF) with any kind of indoor antennas. -
Page 7: Direct Entry Key Functions (Basic Functions)
Before first use do not forget to connect microphone and antenna. Being as small as it is all operating elements of the SY-252N have been distributed on the front panel and the microphone according to the frequency of using them. Reception is - but without any special functions –... -
Page 8: Push-To-Talk Button (Ptt)
frequencies in the 12.5 kHz frame, adjust your radio via the set-up menu to the desired channel spacing system. Push-to-talk button (PTT) You will find the PTT-button at the side of the microphone. For transmission you push this button for as long as you want to talk. -
Page 9: Second Level Of Functions (Two-Touch-Functions)
In Europe you will reach all 2 m amateur repeaters with – 600 kHz shift. Your SY-252N allows different repeater settings in VFO mode and memory mode. Select desired (receiving) frequency. Press: FUNC, followed by SHIFT .You will see the icon in the display, when this function is used for the first time. -
Page 10: Prioriy Channel „Dual Watch
Priority channel „Dual Watch“ Your radio allows monitoring two often used channels automatically in sequence. You can always check the present working frequency together with another channel of Your memory (or the Call channel). Select your working frequency (VFO), e.g. 145.575 MHz ... -
Page 11: The Setup Menu
The Setup Menu Some more, not frequently used functions are available via selectable Setup Menu steps. You start the setup menu by longer pressing (longer than 0.5 sec) of the function key FUNC. Flow-chart for the Setup Menu FUNC key (press FUNC key (press min SET MODE STANDARD MODE... - Page 12 group. In that case the decoder will be activated. Speaker will be on only if the received signal carries the correct DTMF tone. In that setting the display will show T-SQ. Compared to Europe, CTCSS is more familiar in USA, where most repeaters use it for selectable functions. Note: European repeater station are –in most cases- not transparent for CTCSS.
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Page 13: Terminating The Setup Menu
If activated (DTMF oN), the speaker of your radio will be muted. If the distant party will transmit Your decoder number (e.g. 12345), the speaker will switch on and You can hear the transmission. This performs a selective calling system. +,- SHIFT Selection of the repeater offset (frequency shift). -
Page 14: Reset To Factory Default Settings And Erasing All Memories
Reset to factory default settings and erasing all memories A general reset to factory default settings may become necessary when the unit shows abnormal functions or behaviour. If any malfunction should occur, try first to reset the radio, before returning it to Your distributor for repair. -
Page 15: Programming Different Options (For Service Only After Opening The Cabinet)
(maximum 10 frequency settings). This mode is designed for use as commercial radio in countries, where SY-252N is allowed to be used for PMR purposes, or for amateur use when malfunctions caused through user errors shall be excluded. For programming, start in Mode 0 (no jumper), store the desired frequency settings in one or up to 10 memory locations. -
Page 16: Technical Data Sy-252N
Technical data SY-252N Frequency ranges (depending on programming) max. 136- 174 MHz Frequency stability +/-1.5 kHz ITU transmission designator 14KF3E with preemphasis Allowed supply voltage tolerances 10.8 to 15.6 V DC Allowed operating temperature range -10 to + 55 ° C...
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