YSI Pro30 - Manual (Page 5)

2 3
Place the battery cover on the back of the instrument and tighten the 5.
four screws. Do not over-tighten.
Figure 1. Pro30 with battery cover removed. Notice
battery symbols indicating polarities.
The waterproof instrument case is sealed at the factory and is not to
be opened, except by authorized service technicians. Do not attempt to
separate the two halves of the instrument case as this may damage the
instrument, break the waterproof seal, and will void the warranty.
i
Key Pad
Figure 2, Keypad
1
2
3
4
5
6
Number Key Description
1 Calibrate
Press and hold for 3 seconds to calibrate.
opens Calibrate menu from the Run screen.
2 Up Arrow
Use to navigate through menus, to navigate
through box options along the bottom of the
Run screen and to increase numerical inputs.
3 Power and Backlight
Press once to turn instrument on. Press a
second time to turn backlight on. Press a
third time to turn backlight off. Press and
hold for 3 seconds to turn instrument off.
4 Menu
Use to enter the System Setup
menu from the Run screen.
5 Enter
Press to confirm entries and selections.
6 Down Arrow
Use to navigate through menus, to navigate
through box options at the bottom of the Run
screen and to decrease numerical inputs.
connectIng the ProBe/caBle
assemBly to the Instrument
The conductivity and temperature sensors are integral to the cable assembly;
therefore, they cannot be removed from the cable.
To connect the cable, align the keys on the cable connector to the slots on the
instrument connector. Push together firmly and then twist the outer ring until it
locks into place (figure 3). This connection is water-proof.