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