background image

Summary of Contents for 35P

Page 1: ...G INSTRUCTIONS l I o 1 3 2 l l OS 8 OS 3Z12 0 1 3171 G5 QJ41 0 3 131 11 05 oo15 S Model 35P Proof Chronograph Oehler Research Inc Post Office Box 91 5 Austin TX 78766 Phone 512 327 6900 sales oehler r...

Page 2: ...the skyscreens on the rail Use the dimples to get the correct spacing Use thumbscrew with ntiddle screen Remove bolt and place rifle on rest Aim at downrange target Place the fIrst stand approximately...

Page 3: ...one or two skyscreens causes a difference in velocity readings This difference is your warning of a measurement error Page 2 SKYSCREENBACKGROUND We ve shipped Skyscreen ill units with Oehler chronogra...

Page 4: ...urning Switch 5 ON causes a readout of 5714 instead of the expected 571 The 5714 reading corresponds to 571 4 feet per second This switch is most useful for work in metric units where many velocities...

Page 5: ...ry screens We discourage the use of two piece rails They usually sag at the coupling and the uncertain sag cancels the benefits of the longer spacing Page 6 It is convenient to bundle the cables from...

Page 6: ...he plugs are pushed all the way inlo the jacks If you can see a band of metal between the plug body and the jack plug it in farther Plugging in the start screen switches on the M35 The printer will fe...

Page 7: ...dard Deviation SUMMARY After you have fired a test lot of ammo up to 20 rounds in the edit mode or 255 rounds with the edit off the M35 will summarize the test With the printer in use one push of the...

Page 8: ...nplugged You aren t likely to transport or store your unit with the screens plugged in and the screens won t plug themselves lD Page 12 EDIT MODE The edit mode provides a replay of the velocities in a...

Page 9: ...mall hole previously used for the paper retainer clip Save the paper retainer clip in case you want to again use the smaller rolls Page 14 I I I IN CASE OF TROUBLE If the display does not change when...

Page 10: ...am unill5 pm_ We ve cured hundreds of chronograph problems over the phone and are anxious to help Thanks for reading the instructions_ Page 16 GLINTS f you look at a bullet illuminated by a light fro...

Page 11: ...through We use a 2x4 piece of plywood standing on end and supported by a single hinged leg Cut a vertical inch wide shooting slot from bench level to the top of the shield Occasionally blast problems...

Page 12: ...ut average velocity everyone knows what you mean You measure the velocity of several shots and you average your readings If someone asks you the velocity of that arnrno you say that it s about 2950 fe...

Page 13: ...on Page 22 Trying to measure the velocity uniformity of your ammo by chronographing only five shots is like measuring the accuracy with one five shot group One group is an indication but you can t tru...

Page 14: ...ge 24 Large groups usually repeat Large groups with large standard deviations always repeat Small groups caused by luck never repeat CARRYING CASE The carrying case is Obviously a double rifle case We...

Page 15: ...age 26 EDIT MODE An edit mode allows for instant replay of up to twenty shots During replay you can omit questioned shots from the summary CRYSTAL OSCILLATOR FREQUENCY 4 0 MHz oscillator for 0 25 micr...

Page 16: ...honored this simple warranty for over forty years Our written warranty has been limited to three years but we ve repaired many units at no charge even though some were fifteen or twenty years old Our...

Reviews: