Northern Airborne Technology PTA12-3xx - Manual (Page 8)

PTA12-300 POTS Telephone Adapter with NVIS Display
SM55-3 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 4 Page 1-5
ENG-FORM: 800-0114.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Annunciators HK, HLD, LNK and SYS, green LED with dead-front text
HK (Hook Status / Ringer Active)
On Hook LED off
Off Hook
LED on
Ringer On
LED flashes (0.33 second period @ 50% duty cycle)
HLD (Hold Status)
On Hold LED on
Off Hold
LED off
LNK (satcom link)
Link Established LED on
Link Down
LED off
SYS (satcom system)
Available for Voice LED on
Busy LED
off
1.4.2 Physical Specifications
Height 1.52" (38.6 mm)
Depth
4.17" (105.9 mm) max. behind panel
Width
5.77" (146.6 mm) in front of panel
4.82" (122.4 mm) behind panel
Weight
0.80 lbs (0.36 kg)
Mounting Dzus Mounting (four fasteners)
Front Panel
Aluminum with polycarbonate label and elastomeric keypad
Silicone rubber, tactile push-buttons backlit by amber LEDs
Front panel bezel is not backlit
Display 16 5x7 pixel characters with NVIS green B-friendly polarized filter
NVIS green B-compliant radiance and luminance per
MIL-STD-3009
Chromaticity non-compliant per MIL-STD-3009.