background image

 
 
5. MAINTENANCE

 

 
 

In the event that the product becomes faulty during the warranty period, 
please return the faulty apparatus to your supplier. 

 
 

If repair can not be carried out by the supplier then the unit should be 
returned to Millbank Electronics together with details of module type, serial 
number and purchase details. 

 
 

Any repairs or modifications to the product by unauthorised personnel will 
invalidate the warranty. 

 
 

6. SPECIFICATIONS 
 
6.1 

DPM TECHNICAL SPECIFICATION

 

 
 

IMPEDANCE 

200 Ohms nominal 

 

SENSITIVITY 

83dB 3dB (ref OdB = 1V u Bar) 

 

FREQUENCY RESPONSE  150 hZ - 10Khz Contoured for High Speech 
  

Intelligibility. 

 

DYNAMIC RANGE 

Approx. 90 dB 

 POLAR 

RESPONSE  CARDIOID 

 

“BUSY” INDICATOR 

GREEN LED, With 2K7 Series Resistor  
 Fitted to suit 24-30V DC Supply – NA to the 
DPM900 

 
 SWITCHES:- 
1. PUSH-TO-TALK 

Momentary 

Action, 2 Pole c/o P/Button 

2. 

ZONE SELECT 

Latching Action Rocker 

 
 FINISH:- 
1. 

MICROPHONE 

Matt Black, Plated 

2. 

BASE 

 

Black and Blanc White Eggshell Powdercoat 

3. SWITCHES 

Black 

 
 
 
 
 
 
 
 

 
 

 

Publication Code DPM_TIG Issue 1 

Page 5 of 6 

 

Отзывы: