4D product information for
Acorn A4 Pair of Contrast & Brightness knobs (buttons/caps) (S/H)
- Product Title: Acorn A4 Pair of Contrast & Brightness knobs (buttons/caps) (S/H)
- Manufacturer/Publisher: Acorn
- Stock Code: ACO-A4CBKNOBS
- QuickCode: 18984
- Format: RISC OS Hardware
- Product Group: Spares: Pre RiscPC
- Condition: Used
- Availability: Usually available from stock
The two flat knobbly discs that are next to the LCD panel to control Brilliance and Contrast.
n.b. The screen buttons are screwed into the rheostat. Your old one will probably have broken off inside. Good luck with removing it :-/
We suggest trying the 'hot pin' technique:
Heat sewing pin with lighter etc
Push into plastic
Wait to cool
- Price: £20.00 no VAT to pay!
- Free UK delivery on orders of £10 or more! (exceptions apply)
For all your RISC OS requirements
Most orders of less than £10 will incur a £3 admin charge.
Items on special offer are while stocks last and may be time limited.
Items marked S/H are secondhand and have a 3 month warranty
Unless otherwise stated, photos are for illustrative purposes only
UK delivery included on orders of £10 or more (exceptions apply), please ask for overseas delivery cost.
Please check for compatibility. Official orders welcome. E&OE
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Last updated: Sat, 18 Nov 2017