Canon EOS RP Advanced User Guide - Page 108

Long (Bulb) Exposures 3 Set the desired exposure time. zz Select the hour, minute, or second. zz Press to display . zz Set the desired number, then press . (Returns to .) 4 Select [OK]. 5 Take the picture. ggPress the shutter button completely, and the bulb exposure will start and continue until the set time elapses. zz [H] and the exposure time are displayed on the screen during bulb timer shooting. zz To cancel the timer setting, set [Disable] in step 2. ooWhile the bulb timer is operating, if you press the shutter button completely and let go of it, the bulb exposure will stop. ooIf you keep pressing the shutter button completely after the exposure starts, the bulb exposure will continue even after the set exposure time elapses. (The bulb exposure will not stop automatically when the set exposure time elapses.) ooChanging shooting modes cancels the bulb timer and restores the setting to [Disable]. 108