Hold Mode; Turning On Manual Hold; Configuring External Hold Trigger - Hanna Instruments HI520 Instruction Manual

Hold Mode

7. HOLD MODE

Note: Setup selections do not change if a new parameter probe is used on controller.
When Hold Mode is selected, Man. On or Man Off virtual keys are visible.

7.1. TURNING ON MANUAL HOLD

The Hold Mode submenu is used to turn on or off a manual Hold. It can also be used to configure a remote hold
feature that uses a digital Input Trigger.
1. Select Man. On.
2. The state next to the Hold menu item changes to Man On.
3. Press the key, to exit the parameter.
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When in Manual Hold:
• Hold is displayed in the Title & Status area.
• The primary measurement value is displayed blinking.
• The HOLD LED is on.
• Any relay configured for Hold; relay LED will be on with associated relay enabled.
• All the alarm signals (LED, alarm relay) are suspended.
• Analog Outputs will be at configured state (see 10.2 Analog Outputs).

7.2. CONFIGURING EXTERNAL HOLD TRIGGER

Navigation
• From Menu, use
• With Hold Mode, Man. On configured, press Setup, to enter the screen.
Hold Input Enabled
Option: Enabled, Disabled
With function selected, press Enable (Disable) to toggle between the two options. The check mark confirms
Hold Input enabled.
keys to select Hold Mode, Man. On.
ud
Setup
Enable
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