Logitech K780 Frequently Asked Questions

 FN+U — swaps ‘#’ and ’A’ with the ‘>’ and ’<’ keys
NOTE: This only affects European 102 and US International layouts. FN+U only works
on Mac layouts, so make sure you have switched to Mac layout by pressing FN+O.
 FN+O — swaps PC layout to Mac layout
 FN+P — swaps Mac layout to PC layout.
 FN+B — Pause Break
 FN+ESC — swaps between the smart keys and F1-12 keys.
NOTE: This syncs with the same checkbox feature in the Options software.
 +Logitech Bluetooth keyboard unable to pair with Android 7.x device
Some users have reported that their Logitech keyboard will not pair with their Android 7.x
device after they've entered the pairing code.
 Users get a "connection timed out" error or no error message at all.
 Clearing the Bluetooth cache, power cycling the device, attempting to pair again, or pair
to another Android 7.x device does not work.
If you are experiencing this issue, please try the following:
1. Boot your Andriod 7.x device into Safe Mode. This typically involves holding down the
power button and volume key at the same time, but you should confirm the exact steps on
your device manufacturer's website.
NOTE: You'll see an on-screen notification when the device is in Safe Mode.
2. While in Safe Mode, pair the keyboard with your device.
3. After the keyboard has successfully paired, restart your device normally. The keyboard
should continue to be paired with your device.
 +Bluetooth troubleshooting for Logitech Bluetooth Mice, Keyboards and Presentation
remotes
Bluetooth troubleshooting for Logitech Bluetooth Mice, Keyboards and Presentation
remotes
Try these steps to fix issues with your Logitech Bluetooth device:
 My Logitech device doesn’t connect with my computer, tablet or phone
 My Logitech device has already been connected, but frequently gets disconnected or
laggy
Other useful FAQs that may help to fix the issue:
 Check for Bluetooth Low Energy Support

Logitech K780 Specifications

General

Purpose	Universal
Hot keys	Yes
Key pitch	19 mm
Noise level	45 dB
Certification	CE, FCC, CB
Frequency band	2.4 GHz
Keyboard layout	QWERTZ
Pointing device	No
Device interface	RF Wireless + Bluetooth
Keyboard language	Swiss
Number of hot keys	9
Key travel distance	2.2 mm
Keyboard key switch	-
Keyboard form factor	Full-size (100%)
Connectivity technology	Wireless
Keyboard number of keys	107
Keyboard keys technology	Scissor
Keyboard keys operating life	10 million characters
Battery capacity	1000 mAh
Power source type	Battery
Battery technology	Alkaline
Keyboard battery type	AAA
Service life of battery	24 month(s)
Number of batteries supported	4
Number of batteries (keyboard)	2
Mac operating systems supported	Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey
Other operating systems supported	ChromeOS
Mobile operating systems supported	iPadOS, iOS 11.0, iOS 11.4, iOS 12, iOS 13, iOS 14.5, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, Android 10.0, Android 10
Windows operating systems supported	Windows 10, Windows 11
Wireless range	10 m
Material	Metal, Plastic, Rubber
Product color	Grey, White
Keyboard style	Straight
Mean time to failure (MTTF)	150000 h
Package type	Box
Package depth	400 mm
Package width	169 mm
Package height	33 mm
Package volume	2231 cm³
Package weight	1084 g
Wireless receiver interface	USB Type-A
Quantity per pallet	528 pc(s)
Master (outer) case width	274 mm
Master (outer) case height	185 mm
Master (outer) case length	410 mm
Master (outer) case volume	20800 cm³
Master (outer) case weight	9200 g
Harmonized System (HS) code	84716060
Master (outer) case GTIN (EAN/UPC)	50992060649617
Quantity per intermodal container (20ft)	10752 pc(s)
Quantity per intermodal container (40ft)	22272 pc(s)
Quantity per intermodal container (40ft, HC)	25984 pc(s)
Storage temperature (T-T)	-40 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Channels quantity	3 channels

Weight and Dimensions

Keyboard weight	875 g
Keyboard dimensions (WxDxH)	380 x 22 x 158 mm