AWRC-1P How do I the clock from 24 hour to 12 hour format?

Dozens of models to choose from. All questions on Fixya need 'make model (what it is)' as the first 3 words.

Here are some guesses. The 'control cover' is where you put the back-up battery.

To change the 12/24 hour time format, open the CONTROL COMPARTMENT COVER on the bottom of the clock and adjust the 12/24 TIME FORMAT switch to the desired format .

Self-Setting Clock - Brookstone

Instruction Manual - Brookstone

Brookstone https://manuals.brookstone.com > ... PDF 12/24 HOURS TIME DISPLAY SETTING 1. The "12h" or "24h" will start flashing in LCD2 (Default setting 12h).

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  of 6 Page 2 of 6 - Brookstone

  https://manuals.brookstone.com > ... PDF
  Features: x WWVB Radio Controlled Clock (Atomic Clock) x Time in 12/24 hour format x Manual time setting option x Time Zone setting: +/- 12 Hours from GMT.

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Setting The 12/24 Time Format; Setting The Daylight Savings ...

ManualsLib https://www.manualslib.com > ... > User manual
Brookstone TIMESMART Self-Setting Clock Radio Manual Online: setting the 12/24 time format, Setting The Daylight Savings Time. The 12 Hour Format Is Set As ...

Try this

Setting the 12/24 time format The 12 hour format is set as the default. To change the 12/24 hour time format, open the CONTROL COMPARTMENT COVER on the bottom of the clock and adjust the 12/24 TIME FORMAT switch to the desired format. Close the CONTROL COMPARTMENT COVER.

To change the clock format, visit the General section of Momentum's Settings ??, scroll down to the Clock Format option and then click 12 hour or 24 hour to the right of it. When you switch to the 12-hour format, the AM/PM unit will display for a moment and then fade away to keep the interface clean.
https://get.momentumdash.help/hc/en-us/articles/360022896993-How-can-I-change-the-clock-format-12-hour-24-hour-

https://www.youtube.com/watch?v=VfthmmTM7Oo

Press and hold the "clock" button. You need to hold it for what seems like a long time - 10 seconds.

Bose.com

No Problem here ya go


To change the clock to 24-hour format:
1. Press and hold the CANCEL and Delay
pads for three seconds.
2. Press the More+ or Less - pad to select
12 or 24 hour.

To set AM/PM (12 hour) or Military (24 hour) time - With the system off, hold
down Alarm Setup and press On/Off to switch between AM/PM (12 hour) and Military
(24 hour) time formats.

My Bose mod AWRC-1P will not turn on. Please HELP ! !
WA4OBA

Per the instruction booklet: hold down the clock set button and then press on/off to toggle between 12 and 24 hour clock settings.

Call the US tech support line, they will talk you through it.