---
kind: "section"
citation: "47 C.F.R. § 95.393"
title: "47"
number: "95.393"
heading: "Instructions and warnings."
url: "https://uscodex.org/cfr/47/95.393"
---

# §95.393. Instructions and warnings.

- (a) A user's instruction manual must be supplied with each transmitter that can be used in a Personal Radio Service.
- (b) The manual described in [paragraph (a)](#a) of this section must contain all information necessary for the proper installation and operation of the transmitter including:
  - (1) Instructions concerning all controls, adjustments and switches that may be operated or adjusted without resulting in a violation of FCC rules;
  - (2) Warnings concerning any adjustment that could result in a violation of FCC rules or that is recommended to be performed only by or under the immediate supervision and responsibility of a person certified as technically qualified to perform transmitter maintenance and repair duties in the relevant radio service by an organization or committee representative of users of that service;
  - (3) Warnings concerning the replacement of any transmitter component (crystal, semiconductor, etc.) that could result in a violation of FCC rules; and
  - (4) For a transmitter that can only be operated with an FCC license, warnings concerning compliance with applicable licensing requirements and information concerning license application procedures.

## Notes

### Authority

Authority: 47 U.S.C. 154, 303, 307.

### Source

Source: 82 FR 41104, Aug. 29, 2017, unless otherwise noted.