20100630 TX-1202 MANUAL.cdr
Contents
1. 8V DC connection via power supply LED illumination Note 1 Watch out the LED wire must be correctly connected black white to Black to Wrong connection burn LED Note 2 DC power is only required to run the meter backlight This meter will function w o DC power in the AVG mode even when switch off xx Forward Reverse Pwr SWR Measurement A Set the RANGE switch to the proper meter multiplier X1 X10 X100 for the lt INSTALLATION gt expected power level of the intended measurement B In TX 1202 it corrosponds to 2 20 200 watts forward and 0 5 5 50 watts reflected full scale Fwd Ref 4 1 C Select the frequency needed HF VHF UHF amateur bands D Set the radio transceiver to transmit mode and read the scale corresponding to the RANGE selected E When switch to AVG the meter reads average RF power When switch to PEP the meter reads Peak Envelope Power for use withSSB and AM transmissions In this mode there will be a slow rise and decay time F Push LED ON OFF button when LED light is needed Caution 1 Since the meter movement is very sensitive avoid excessive vibration or mechanical shock to the meter 2 Watch the absolute maximum power could be applied to the meter by different models you bought 3 The meter must never be reverse connected Always observe the correct connections to transmitter and antenna as indicated on the rear sockets 4 Do not expose the meter to2. ISSEI TAIWAN NISSEI SOKKI CO LTD SWR WATT METER USER MANUAL Model TX 1202 Product Main Feature This wattmeter series offer many innovative features typically not found at this price level e DC Grounded Antenna connector prevents electrostatic buildup e True Directional Coupler for increased accuracy over frequency e Low Bias Schottky Diode Detectors for increased linearity e Precision large 104mm Cross Needle Meter simultaneously displays forward and reflected power with SWR e Individual Meter Scales for each power range increase reading accuracy e LED backlighting provides smooth even illumination e Three Color Scale for improved readability e Rugged metal cabinet with speckled black finish and designer style grey injection molded front panel aesthetically complements modern transceivers e DC Power Cable Included Specifications in Power Ford wh ed Page1 x Front Panel lt DESCRIPTION gt 1 Indicator Display Indicates FWD REV power in watts and VSWR ratio 2 AVG PEP elliptical push botton Select AVG out or PEP depressed 3 Frequency switch Select frequency measured 4 Range switch Selects RF power range multiplier x1 x10 x100 5 LED ON OFF button elliptical Turn LED lamp 6 Zero adjust screws of analog cross needle meter lt DESCRIPTION gt 7 TX connector Coax connector to transmitter 50 ohm RF output 8 ANT connector Coax connector to 50 ohm antenna system 9 13
3. excessive temperatures high humidity or strong magnetic fields 5 Contact your local dealer for service Dealer information is in the back of user manual ROHS CE X Page2
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