PID control (for precise stability) or On/Off control (for simpler tasks).
If you cannot find the exact PDF, look for the "XMTG-2000 series manual." The "2000" refers to the series. The manual for the XMTG-2010, 2030, or 2088 is usually 99% identical; the only difference is the output type (relay, SSR, or 4-20mA). xmtg2000 temperature controller manual pdf top