User Guide

15
SETUP
HOLD
SETUP
HOLD
SETUP
HOLD
5.4 HOLD Current Setting
When Transmitter is in CAL or SETUP modes, it automatically goes into a
‘HOLD’ mode.
To indicate Transmitter is in ‘HOLD’ mode, output current can be set to 22
mA output by activating the ‘HLD On’.
1. Press ENT key and use ▲ or ▼ keys to scroll till LCD displays
‘
SEt’ in the upper display; and ‘HLd’ in the lower display. Press
ENT again.
2.
Upper display now shows ‘HLd’. Lower display will show either
‘
OFF’ or ‘On’. Use ▲ or ▼ keys to toggle between ‘On’ of ‘OFF’.
Press ENT to accept selection.
3. Press S and T keys together, to return to MEAS mode.
NOTE: If ‘HLd’ is set to ‘OFF’, then current output will be equivalent to last
measured value.
5.5 Out-of-Range Current Setting
If pH or ORP readings exceed the scale, LCD displays ‘Or’ (over-range), or
‘Ur’ (under-range). Transmitter current output can be set to 3.8 mA to indicate
Out-of Range situation.
1. Press ENT key and use ▲ or ▼ keys to scroll till LCD displays
‘
SEt’ in the upper display; and ‘org’ in the lower display. Press
ENT again.
2.
Upper display now shows ‘org’. Lower display will show either ‘OFF’
or ‘
On’. Use ▲ or ▼ keys to toggle between ‘On’ of ‘OFF’. Press
ENT to accept selection.
3. Press S and T keys together, to return to MEAS mode.
NOTE: If ‘org’ is set to ‘OFF’, under-range will be set at 4 mA, while over-
range will be set at 20 mA.
SETUP
HOLD
SETUP
HOLD
SETUP
HOLD