Technical specifications

Frequency control	Crystal controlled
	PLL synthesizer
Transmit frequency	Telephone base: 5725-5850 MHz
	Handset: 2400-2483 MHz
Receive frequency	Telephone base: 2400-2483.5 MHz
	Handset: 5725-5850 MHz
Channels	95

Nominal effective range	Maximum power allowed by FCC and IC. Actual operating range may vary according
	to environmental conditions at the time of use.
Size	Handset: 158.7mm X 52.7mm X 41.3mm
	Telephone unit: 128.7mm X 174.6mm X 77.5mm
Weight	Handset: 145.0 grams (including battery)
	Telephone base: 423.8 grams
Power requirements	Handset: 3 cells AAA 3.6V 600mAh NiMH battery
	Telephone base: DC 9V@ 600mA
Memory	Directory: 50 memory locations; up to 32 digits, 16 characters per location
	Call log: 50 memory locations

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Appendix

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Image 56

VTech I6788, I6778 important safety instructions Technical specifications

Contents

Need HELP? Table of contents Table of contents Installation Parts checklist for Parts checklist for i6777/i6778 Batteries Battery compartment covers Telephone line cordBase power adapter Charger adapters Chargers User’s manual Telephone base with wall mounting/ desktop bracket Parts checklist for i6787/i6788 Telephone base installation Install handset battery Belt clip Belt clip & headset optionalHeadset Voicemail service About caller ID If you subscribe to DSL service Lower grooves Wall mounting bracket installation optionalDesk/table bracket installation Telephone settings Handset layout Telephone base layout Skip Message windowCharge light USE light Voicemail light Annc announcement Microphone Key tone Ringer volumeRinger melody Language Clear voicemailDial type Press the up or down NavKey Basic operation Make, answer, and end calls with the handsetHandset speakerphone Mute Volume Ringer muteCall waiting Intercom FLASH, or OFF/CLEAR Conference callTransfer an external call Toggle between external and intercom call Answer an incoming call during an intercom callFind handset Voicemail Store a directory entry Advanced operationDirectory Chart of characters Characters by number of key presses Key Space Edit a directory entry Search the directoryDial a directory entry Call log Delete a directory entry Review the call log Dial a call log entry Press /FLASH or/SPEAKER to dial the entry Save an entry to the directory Display Means Handset display screen messagesDelete one or all entries Delete a redial entry Redial listDial from redial Answering system operation Message capacity Set the clock Answering system setupActivate the answering system Set number of rings Set base ringer Set remote access code Set message alert tone Outgoing announcement Record your announcementPlay your announcement Delete your announcement Message playback New message indicationOptions during playback Delete all messages Memo playback Record and play memosRecord a memo Commands during playback mode Remote accessRemote access commands Message window displays Handset display screen messages Battery needs to be replaced Supplied VTech battery or equivalentRinger is muted temporarily during incoming call Your operation has been saved Handset and base indicators Battery indicatorHandset lights Base lights Battery Important safety instructions Troubleshooting Problem Suggestion Battery does not Or the handset batteryCharge in the handset Charge light is Charge Indicator Telephone base for charging Dial mode For this to take placeCannot dial out First, try all the above suggestions Before dialing Service company charges may apply Same outlet or near a microwave oven Troubleshooting Answering system Computers, kitchen appliances and other cordless telephones Common cure for To one minute for this to take place About cordless telephones MaintenanceOperating range Warranty What does this limited warranty cover? FCC, Acta and IC regulations Other Limitations Rbrc Seal Technical specifications Index Index Issue Ver User’s manual