Director
When someone calls out "10-1," I know they're stepping away for a moment. Discreet communication keeps the radio traffic clean and professional.
Walkie-talkie code for short bathroom break—derived from CB radio, enables discrete set communication without sharing details over air.
What does 10-1 mean?
10-1 is a walkie-talkie code for a brief restroom break. Originally from CB radio, this code allows for discreet communication on set – no one has to announce over the radio that they are going to the restroom.
The 10-Codes on a Film Set
| Code | Meaning |
|---|---|
| 10-1 | Brief restroom break |
| 10-2 | Extended break (also restroom) |
| 10-4 | Understood / Okay |
| 10-20 | Location ("What's your 10-20?") |
| 10-100 | Restroom break (alternative) |
Usage
Correct Application
| Situation | Radio Announcement |
|---|---|
| Briefly away | "10-1, back in 5" |
| Confirmation | "10-4, 10-1" |
| Inquiry | "Are you 10-1?" |
Why Codes?
| Reason | Description |
|---|---|
| Discretion | Maintain privacy |
| Efficiency | Short, clear communication |
| Professionalism | Industry standard |
| Clarity | Uniform meaning |
Origin
The 10-codes originate from CB radio (Citizens Band Radio) in the 1950s and were adopted by police, fire departments, and later the film industry. They enable fast, unambiguous communication.
Set Etiquette
| Rule | Description |
|---|---|
| Keep it brief | Say only what is necessary |
| Confirm | Always acknowledge with 10-4 |
| Clear channel | Prioritize important announcements |
| Discreet | Personal matters in codes |
Today
The 10-codes are a standard on sets worldwide – from Hollywood to German productions. They are part of the professional toolkit of every filmmaker.
From the crafts
Perspectives
Producer
The 10-codes are part of professional set communication. They keep radio traffic efficient and respect the crew's privacy.
More in the lexikon
Related terms
Test your knowledge
Quiz
1. Zu welchem Department gehört „10-1 (WC-Pause)"?
2. Wie viele verschiedene Fachperspektiven bietet dieser Eintrag?