form_trig_lvl.php 577 Bytes
<!DOCTYPE html>
<html>
	<?php
		$val_c2trlv = floatval(substr($c2trlv,8,-2))/$vdiv2;
	?>
	<form method='post' action='main.php' oninput='c2_triglv.value=c2_trlv.value'>
		<label for="c2_trlv" class="form-range">Trigger Level CH2</label>
		<input type="range" id="c2_trlv" name="c2_trlv" class="form-range" min="<?php echo (-4)*$vdiv2; ?>" max="<?php echo 4*$vdiv2; ?>" step="0.1" value="<?php echo $val_c2trlv*$vdiv2; ?>" onchange="this.form.submit();">
		<br/>
		Trigger level : <output for="out" name="c2_triglv"><?php echo $val_c2trlv*$vdiv2; ?></output> V
	</form>
</html>