NEC R 37 Xtra - Manual (Page 29)

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Specifications
Picture tube 36 inch Visual size; 37 inch CRT size (Diagonal), Type M90AHL50X
108 degree deflection
Stripe trio pitch Ph 0.90 mm at center, Ph 1.10 mm at corner/Pv 0.7 mm
Invar mask, Medium-short persistence phosphor
Dynamic focus
RGB Input Terminals RGB 1 : Mini D-SUB 15pin RGB 2: (R/C R /P R /,G/Y/Y,B/C B /P B , H/CS and V)
: Video : Analog 0.7Vp-p/75 Ohms (Positive)
: Sync. : Separate Sync. TTL level, 0.7 - 4.0Vp-p/75 Ohms..........RGB 2 only
Horizontal Sync. (Positive/Negative)
Vertical Sync. (Positive/Negative)
: Composite Sync. TTL Level (Positive/Negative)
: Composite Sync. On Green Video 0.3Vp-p (Negative)
RGB Output Terminals Mini D-SUB 15 pin RGB 2 : BNC (R, G, B, H/CS and V)
THROUGH OUT
Video Input Terminals 1.0Vp-p, 75 Ohms unbalanced (BNC-Jack), Composite video signal, Sync-negative.
VIDEO 1/2 Y : 1.0Vp-p, 75 Ohms unbalanced, Sync-negative.
S-VIDEO (Video 1/2) C : 0.28Vp-p, 75 Ohms unbalanced, Color burst level.
Video Output Terminals
THROUGH OUT (Video 1, 2) 1.0Vp-p, 75 Ohms unbalanced (BNC Jack), Composite video signal, Sync-negative.
THROUGH OUT (S-VIDEO 1, 2) Y : 1.0Vp-p, 75 Ohms unbalanced, Sync-negative.
C : 0.28Vp-p, 75 Ohms unbalanced, Color burst level.
Audio Input Terminals Left (Mono) : 0.5 Vrms, high impedance (Pin-Jack)
VIDEO 1, 2 / RGB Right : 0.5Vrms, high impedance (Pin-Jack)
Audio Output Terminals Left : 0.5 + 0.1 Vrms, less than 22 K Ohms (Pin-Jack)
THROUGH OUT Right : 0.5 0.1 Vrms, less than 22 K Ohms (Pin-Jack)
External Control mini D-SUB 15pin (IN/THROUGH OUT)
(IN/THROUGH OUT)
SOUND Output
Internal 2.5W+2.5W (THD 10%) at 16 Ohm
External 5W+5W (THD10%) at 8 Ohm
Speaker Oval type 9 X 5.5 cm
16 Ohm, 2pcs.
Display Colors Analog Input: Unlimited colors
Synchronization Range Horizontal: XP37Xtra; 15.7/31 KHz to 95 KHz XM37Xtra; 15.7/31 KHz to 65 KHz (Automatically)
Vertical:40 Hz to 120 Hz (Automatically)