HNO.services - your support portal

Appointments, support cases, instructions and remote maintenance: everything you need for your devices in one place.

How to reach us

Booking an appointment

Our service team is at your side: book an appointment online and find the right solution for your request.

Support cases

Exclusively for our customers: in the protected area you will find all information on support cases, the test records for your devices and more.

Create a support ticket

No access yet? Request access

Knowledge base

We provide detailed information about our products, short instructions and how-tos in our knowledge base.

Go to the knowledge base

Remote maintenance

We carry out remote maintenance easily via Zoho Assist. You will either receive an email with an invitation link or start the session directly here.

Start remote maintenance

Further services

Repair and maintenance

An overview of how a repair, a metrological inspection and technical support work.

Go to the service overview

Metrological inspection

Mandatory inspection under the German Medical Devices Operator Ordinance: book an appointment directly, on site or by sending the device in, with legally compliant documentation.

Book an inspection

Consumables and spare parts

Original accessories, consumables and spare parts for your devices, available to order around the clock.

Go to the shop

Online training

Device and software training as an online appointment, for new staff or as a refresher.

Book training

Online demo and consultation

Have your eye on a new device? We will show it to you live in an online demo and advise you at the same time.

Book a demo

Your customer account

View quotations, orders and invoices at any time: in your personal customer account.

Go to the customer account

Name	Provider	Purpose	Retention
`_GRECAPTCHA`	Google Ireland Limited	Set by reCAPTCHA when a form is protected against automated abuse, to tell a person from a script.	6 months
`cids`	This website	Remembers which company's data you are working in, on multi-company sites.	1 year
`color_scheme`	This website	Holds whether the interface is drawn light or dark.	1 year
`current_action`	This website	Remembers which screen you had open, so a reload puts you back where you were.	Session
`current_lang`	This website	Remembers the language the screen you had open was shown in.	Session
`current_state`	This website	Remembers the state of the screen you had open, such as filters.	Session
`frontend_lang`	This website	Remembers the language you chose so pages are served in it.	1 year
`legacy_multi_tab`	This website	A shared scratchpad your open tabs read, holding things like the last notification each of them has seen.	Until the browser storage is cleared
`menu_id`	This website	Remembers which menu you were in.	Session
`muk_cookie_consent`	This website	Stores the cookie choice you made here, so you are not asked again on every page.	6 to 24 months, depending on your region
`multi_tab_service`	This website	Elects one of your open tabs to hold the connection that delivers live updates, so the others do not each open one of their own.	Until the browser storage is cleared
`presence.focus`	This website	Records when this tab was last active, so messages reach a window you are actually using and an idle session can be timed out.	Until the browser storage is cleared
`session_id`	This website	Identifies your browsing session so the server can keep you signed in and keep your basket.	7 days of inactivity
`survey_<token>`	This website	Remembers the survey you are part way through, so closing the tab does not lose your answers.	24 hours
`tz`	This website	Holds your time zone so dates and times are shown correctly.	Session
`web.lastConnectedUser`	This website	Remembers who signed in last, so the sign-in screen can offer that account again instead of an empty form.	Until the browser storage is cleared
`webclient_menus`	This website	Stores a copy of the menu so screens open without fetching it again.	Until the menu changes
`website_cookies_bar`	This website	Mirrors your choice for parts of Odoo that read the built-in consent cookie.	6 to 24 months, depending on your region
`website_sale_cart_quantity`	This website	Holds how many items your basket contains, so the header count is right before the page has finished loading.	Session

Name	Provider	Purpose	Retention
`appointment`	This website	Remembers what you already typed into a booking form and which upcoming appointment notice you dismissed.	Until the browser storage is cleared
`im_livechat`	This website	Keeps a live chat going: which conversation is yours, who you spoke to last and whether the window was already offered to you.	Up to 7 days
`pwaService.installationState`	This website	Remembers whether you were already offered to install this site as an app, so the offer is not repeated once you have answered it.	Until the browser storage is cleared

Name	Provider	Purpose	Retention
`_ga`	Google Ireland Limited	Distinguishes visitors for Google Analytics reporting.	2 years
`_gid`	Google Ireland Limited	Distinguishes visitors for Google Analytics reporting.	24 hours

Name	Provider	Purpose	Retention
`VISITOR_INFO1_LIVE`	Google Ireland Limited	Estimates your bandwidth on pages with an embedded YouTube video, and is used for advertising.	6 months
`YSC`	Google Ireland Limited	Records a unique identifier for your session to count video views.	Session
`bcookie`	LinkedIn Ireland Unlimited Company	Identifies your browser for LinkedIn advertising and analytics.	1 year
`forum_welcome_message`	This website	Remembers that you closed the welcome message on the forum, so it is not shown to you again.	1 year
`fr`	Meta Platforms Ireland Limited	Used by Meta to deliver and measure advertising.	3 months
`odoo_utm_campaign`	This website	Remembers which campaign brought you here, so a later enquiry can be attributed to it.	31 days
`odoo_utm_medium`	This website	Remembers which medium brought you here, for campaign attribution.	31 days
`odoo_utm_source`	This website	Remembers which source brought you here, for campaign attribution.	31 days
`rule_ids`	This website	Records which lead-generation rules have already fired for you, so the same rule does not report your visit twice.	Session
`social_push_notifications`	This website	Holds the push-notification setup for this browser and when you were last asked to allow notifications.	Until the browser storage is cleared
`vuid`	Vimeo.com, Inc.	Records which videos you have watched, in Vimeo's analytics.	2 years

Audiometry

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Consultation & training

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