Orion Benchtop pH/ISE Meter Instruction Manual
Overview of Meter Functions 520Aplus,525Aplus,720Aplus and 920Aplus
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Use of a Switchbox (920Aplus)
The 920Aplus stores in memory calibration data for seven channels.
Additional channels can be accessed when using the 920Aplus with the
Orion 607 electrode switchbox. Press the channel selection switch on the
Orion 607. Press 2nd, then channel (5) on the Orion 920Aplus, until the
desired channel is selected on both the instrument and switchbox. Use of a
switchbox must be identified in the options menu to access the additional
channels on the 920Aplus.
Prompt Keypress/Action
Press 2nd then Options.
1. OPTIONS MENU Press no.
CHANGE ISO POINT?
2. TRANSFER DATA? Press no.
3. DATA CLEAR? Press no.
4. AUTOSHUTOFF ON Press yes.
5. SWITCHBOX IN USE? Press yes.
6. SWITCHBOX ENABLED The meter verifies the use of
a switch box then returns
to measure mode.