GPO offers a diverse range of products including retro-inspired audio electronics like turntables and boomboxes, as well as high-precision optical instruments such as binoculars and rangefinders.
GPO is a brand designation shared by two distinct lines of consumer products found in this category. Primarily, GPO (operated by ProTelX) is a British manufacturer specializing in retro-inspired consumer electronics. They are well-known for reviving classic designs, manufacturing rotary landline telephones, vintage-style turntables, cassette boomboxes, and DAB radios that blend nostalgic aesthetics with modern features like Bluetooth connectivity and USB recording.
Additionally, the category includes manuals for products by German Precision Optics (GPO USA), a manufacturer of premium optical devices. Their product lineup includes high-performance binoculars, laser rangefinders, and riflescopes designed for outdoor enthusiasts, hunters, and ornithologists. Whether you require support for a retro music player or precision observation optics, this page hosts the user manuals and guides for your GPO-branded devices.
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Turn the unit on and switch the Function Knob to BT. On your Bluetooth-enabled device, search for and select 'GPO Brooklyn'. If prompted for a PIN, enter '0000'.
For best performance, the stylus on GPO turntables (like the Ambassador) should be replaced every 3-4 months of regular use. Replacement styli can be purchased from the GPO Retro webسائيٽ.
The GPO Rangeguide typically uses a CR2 battery. Insert it into the battery compartment with the positive pole first.
For GPO Retro audio products, you can contact ProTelX support at 0330 024 0383 or visit www.gporetro.com.