Pentax HIDROMATIC H1 Mode D'emploi page 9

GB
FUNCTIONAL PARTS
1. RESET button
2. Dry stop indicator
3. Voltage indicator
4. Motor connection
5. Operating pressure setting
screw
6. 1" male threaded connection
outlet (By request, 1" female
revolving nut)
7. Line connection
8. 1" male threaded connection
inlet (By request, 1" female
revolving nut)
9. Pressure gauge