Introduction - HOLMCO N40 Series Recommended Operation Practices

N40 HANDSET with SUPPORT BRACKET
1. GENERAL
Cockpit and cabin crews are requested to read this manual carefully to be able to use
A.
N40 handsets with support brackets in an adequate and proper way to avoid any
unexpected damages.
This document describes operational and recommended handling practices for the
B.
component in service. It does not describe maintenance of components. For
maintenance procedures, please refer to applicable CMM under ASSOCIATED
PUBLICATION.
This document contains:
C.
Information about operation of the component
-
Recommended handling practices
-
Equipment cleaning procedure
-
2. REVISION SERVICE
This manual will be revised by revision if necessary.
3. APPLICABILITY
This ROP is applicable to all variances of N40 handset with support bracket as follow.
NOMENCLATURE
Handset with Support Bracket
(Analogue Series: N40A)
Handset with Support Bracket
(Digital Series: N40D)
4. HOW TO USE THIS MANUAL
All instructions in this manual should be used only for cockpit /cabin handset with support
A.
bracket as mentioned in chapter under APPLICABILITY.
5. ASSOCIATED PUBLICATION
CMM 44-10-02 - N40 digital series handset with support bracket
CMM 44-10-03 - N40 analogue series handset with support bracket
It shall not be partially or totally reproduced, lent to a third party or used against the aforementioned Company.
RECOMMENDED
OPERATION PRACTICES
A. INTRODUCTION
GENERAL P/N
N40-1Aw0xyy-10x
N40-1Bw0xyy-10x
N40-1Aw0x0y-z0x
N40-2Aw0x0y-z0x
This document is the property of Holmberg GmbH & Co.KG.
No: Ho-P6091-ROP-0000
Rev: 04A
Date: Mar 11/2020
Page: 5 of 17
REMARK/CONFIGURATION
A: First Version (superseded by B!)
B: GSM-hardened Version
w: Color code
x: Electrical and Mechanical Interface (Analogue)
(x= 1: Spring retained x= 2: Release Mechanism)
yy: Keyboard Type
A: First version
w: Color code
x: Electrical and Mechanical Interface (Digital)
(x= 3: Spring retained x= 4: Release Mechanism)
y: Keyboard Type
(y = 1: Flight Deck, y = 2: Cabin)
z: Coiled Cord Type (Length)
(z = 1: Standard, z = 2: Elongated)