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Marshall Stanmore III: wake after documented idle standby

Marshall Stanmore III: wake after documented idle standby. Observe the actual response before reporting an outcome.

Manufacturer-documented Reviewed 2026-11-09 · Revision 1

Follow these checks in Audio Fix →

When this guide applies

Known idle standby, not mains damage.

Connection scope: Bluetooth. Symptom: Power-on or automatic standby isn’t working.

This is a documented check, not a diagnosis of your equipment. The model name does not confirm the selected input, mode, software or connected partner.

If your exact model or a required setting is unknown, use the “I don’t know” branch below. Do not apply a similarly named model’s instructions.

Checks and possible outcomes

Start at step-0. Follow the link that matches what you actually observe. Alternative branches are not a single sequence of actions.

step-0

Did standby follow about ten unused minutes?

Standby disconnects Bluetooth. Active-playback shutdown needs another investigation.

Look for: Confirm the stated prerequisite or observation; unknown is not a fault diagnosis.

  • Manufacturer-documented Marshall Stanmore III full online manual ↗English pp.4–7 — Select Bluetooth with Source; hold Source until red Bluetooth pulse then select STANMORE III. Two devices can connect but the first must pause before the second plays. Media joystick controls Bluetooth. Ten unused minutes enters standby and disconnects Bluetooth; controls or reconnect wake it.Exact Stanmore III; no Stanmore II gestures or factory reset. · Source checked 2026-11-09

step-1

Is mains still connected with no update active?

Do not mistake disconnected power or updating for standby.

Look for: Confirm the stated prerequisite or observation; unknown is not a fault diagnosis.

  • Manufacturer-documented Marshall Stanmore III full online manual ↗English pp.4–7 — Select Bluetooth with Source; hold Source until red Bluetooth pulse then select STANMORE III. Two devices can connect but the first must pause before the second plays. Media joystick controls Bluetooth. Ten unused minutes enters standby and disconnects Bluetooth; controls or reconnect wake it.Exact Stanmore III; no Stanmore II gestures or factory reset. · Source checked 2026-11-09

step-2

Briefly operate a top-panel control

Wake standby without intentionally operating the power-off switch.

Look for: Perform only the stated check, then confirm whether it could be completed.

  • Manufacturer-documented Marshall Stanmore III full online manual ↗English pp.4–7 — Select Bluetooth with Source; hold Source until red Bluetooth pulse then select STANMORE III. Two devices can connect but the first must pause before the second plays. Media joystick controls Bluetooth. Ten unused minutes enters standby and disconnects Bluetooth; controls or reconnect wake it.Exact Stanmore III; no Stanmore II gestures or factory reset. · Source checked 2026-11-09

step-3

Reconnect the existing source entry

Idle standby may have disconnected it.

Look for: Perform only the stated check, then confirm whether it could be completed.

  • Manufacturer-documented Marshall Stanmore III full online manual ↗English pp.4–7 — Select Bluetooth with Source; hold Source until red Bluetooth pulse then select STANMORE III. Two devices can connect but the first must pause before the second plays. Media joystick controls Bluetooth. Ten unused minutes enters standby and disconnects Bluetooth; controls or reconnect wake it.Exact Stanmore III; no Stanmore II gestures or factory reset. · Source checked 2026-11-09

step-4

Does the known source reconnect?

Wake alone does not establish the playback owner.

Look for: Confirm the stated prerequisite or observation; unknown is not a fault diagnosis.

  • Manufacturer-documented Marshall Stanmore III full online manual ↗English pp.4–7 — Select Bluetooth with Source; hold Source until red Bluetooth pulse then select STANMORE III. Two devices can connect but the first must pause before the second plays. Media joystick controls Bluetooth. Ten unused minutes enters standby and disconnects Bluetooth; controls or reconnect wake it.Exact Stanmore III; no Stanmore II gestures or factory reset. · Source checked 2026-11-09

Possible result

Checks completed — report your outcome

Completion does not automatically mean solved. Report what actually happened: solved, partly helped, did not help or could not follow. No Audio Review physical test is claimed.

steps completed

Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

    Possible result

    Keep the observation for manufacturer support

    These steps did not establish a working setup. Keep the exact model, source, software and last observed response for support. No hardware or firmware defect is diagnosed.

    next support

    Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

      Possible result

      A required observation is unknown

      Confirm the exact model and linked instructions before continuing. Do not guess the state of a control, connection or update.

      insufficient data

      Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

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