Clinic waiting room signage: one screen or two jobs

Two screens, two jobs

The two jobs differ in who uses them, what they show and what input they need.

The waiting room screen needs no touch. A loop is watched, and every touch layer on a public wall is one more surface to clean and one more input to fail. The consult screen needs an operating system that runs your clinical software, which a signage display does not carry; our waiting room screens are Android signage units built to loop your own files, and that is the whole job. If you want schedules pushed from a desk, that is the cloud player category, and it comes with a subscription. For one or two screens whose content changes a few times a month, a card does it with no account: that is exactly what our waiting room screens without a monthly account are built to do.

What decides the split

Four questions settle it.

Who looks, and from how far? The farthest seat sets the size. The rule and the table are in the next section.

Who touches? Nobody in the waiting room. Staff in the consult room, with a stylus or a finger, on a panel responsive enough for handwriting. When those two answers differ, the screens differ.

What does privacy require? The public loop is written so anyone who walks in can read it: tips, hours, services, nothing else. The consult screen shows the record, so it lives on the clinic's computer with its own login and an idle lock; five minutes is a common policy setting. Two screens make the safe state the default state, because the public wall physically cannot show a session.

How does content change? A card swap covers one or two screens. A cloud-only player earns its subscription when schedules must be pushed to several rooms or several sites, and a signed business associate agreement comes before any patient content reaches it.

Sizing the waiting room screen to the farthest seat

Measure from the farthest chair to the wall. The FHWA planning figure is 30 ft of viewing distance per inch of capital letter height. Waiting room reading is glancing between chairs and phones, so use the safer figure: 20 ft per inch. Line spacing is 1.7 times capital height. Divide the distance by 20 and the result is your body text capital height in inches: at 16 ft that is 0.8 in, at 30 ft it is 1.5 in. The size and viewing distance guide walks this method in full, and small screen text readability covers what happens to text near the bottom of the range.

The table sizes a slide of one headline (twice body height) and six body lines, using 16:9 geometry: a panel stands 0.49 times its diagonal tall.

Portrait adds height: stood on end, a 16:9 panel is 0.87 times its diagonal tall, so a 32-inch class panel in portrait stands about 28 in high and covers the same slide out to about 40 ft. Settle the orientation with planning portrait and landscape content before you fix the mount.

Example: seats 12 to 16 ft from the screen

The inputs, and where each comes from:

• Farthest seat 16 ft, nearest 12 ft, measured chair back to wall. Typical of a four-exam-room clinic waiting area; measure yours and the arithmetic stays the same.
• Slide design: one headline, six body lines. An assumed busy slide; size to your own worst case.
• Legibility rule: 20 ft of distance per inch of capitals, line spacing 1.7 times capital height. The FHWA planning figures carried in our display sizing data, at the safer 20 ft per inch choice.
• Geometry: a 16:9 panel stands 0.49 times its diagonal tall.

The rule in words: divide the farthest distance by 20 for the capital height, multiply capitals by 1.7 for the line pitch, stack the lines, and compare the stack with 0.49 times the diagonal.

The arithmetic:

• Capitals: 16 ft ÷ 20 ft per inch = 0.8 in. Headline: 2 × 0.8 in = 1.6 in.
• Line pitch: 0.8 in × 1.7 = 1.36 in per body line. Headline pitch: 1.6 in × 1.7 = 2.72 in.
• Stack: 2.72 in + (6 × 1.36 in) = 2.72 + 8.16 = 10.88 in of text.
• Panel height: 32 in diagonal × 0.49 = 15.7 in. Spare: 15.7 − 10.9 = 4.8 in, which pays for the top and bottom margins.
• Nearest seat: 12 ft ÷ 20 = 0.6 in of capitals needed, and the 0.8 in text over-serves it.
• The 65-inch class: 65 × 0.49 = 31.9 in tall, built for 2.25 in capitals at 45 ft. At 16 ft it shows the same 10.9 in of text in a 31.9 in frame: two thirds of the glass sits idle.

Result: a 32-inch class panel carries this slide for seats to 23 ft; the 24-inch class, 11.8 in tall, carries it to 17 ft.

Decision: above about 23 ft, move up to the 43-inch class; the 65-inch class earns its wall only from about 45 ft out.

Recommendation: Fit a non-touch waiting room screen sized from the farthest seat at 20 ft per inch of capitals: seats to 16 ft take a 24-inch class panel, seats to 23 ft a 32-inch class. Load it from a card or USB stick, with no account and no patient data on the wall. Put annotation on a separate touch computer with a 10-point projected capacitive panel in the consult room, behind its own login, specified with your clinical software vendor. Buy the 65-inch class only when the farthest seat sits about 45 ft out.

When one panel really is enough

• The annotation never opens the record. Marks on shared images, no patient data: one locked-down touch panel can run both jobs, promos when idle and annotation in session. The safeguard is the machine's lock and the empty content, not the schedule.
• The display lives only inside consult rooms. Skip the signage screen and buy just the touch computer.
• The seats sit past 45 ft. That is lobby territory, and lobby displays are a different build and quote.

What to ask for before you order

• The farthest-seat distance in ft, and the orientation, because portrait and landscape change the height math.
• The mount: a wall mount rated above the panel's weight, hole pattern checked against the panel's manual, fitted per the mount maker's instructions.
• Brightness against the room: a wall facing windows wants the higher-brightness option; the standard grade suits a room without direct sun on the screen.
• How many hours a day the screen is on, so the supplier quotes hardware meant for that use. A clinic day of 8 to 10 hours is typical.
• Warranty, returns and lead time in writing. Ours are built to order, about 2 weeks, with a 3-year parts and labor warranty and returns within 90 days of delivery on standard configurations; more on the returns page.
• For the consult computer: a 10-point projected capacitive panel, specified with your software vendor, and a hands-on test before you order. Laggy handwriting on low-point touch panels is the common complaint, and a comparison of touch panel types is worth ten minutes first.
• To quote the waiting room screen from us, send the distance and the orientation and we confirm size, brightness, ports and warranty on the quote; see the display range.

Questions