Denecke GR-1 Master Clock

The GR-1 is a precision time code generator/reader designed for production sound recording. The GR-1 can be used as a stand-alone master time code source in most recording environments. Low power consumption with back lighting assures users of long battery life in a small reliable package. Speed checking, memory hold and print are powerful features that will help sound mixers on the set. The GR-1 generates 23.976 fps for use with High Definition Cameras.

Key Features:

READ - Reads SMPTE/EBU time code at normal operating speeds.

GX - Generates time code locked to an external field or frame reference.

DISPLAY - Displays time code/user bits and mode on a low power LCD backlit display.

GU - Inserts externally read time code into the user bits of the current time code. This is useful for music playback with live action recording.

RATE - Displays the incoming time code speed, mode and drop frame status.

CLOCK - An internal time of day clock updates the code on every power up.

HOLD - Saves hold points in memory. Previous time code/user bit points are shown along with their memory location.

JAM - Jam syncs to external code and can cross jam different code rates. Any break in code will jam to a new value (continuous jam).

GEN - Generates time code at 23.976, 24, 25, 29.97, 30 fps drop and non drop. User bits can be left free or set as date in the month/day or day/month format.

CHECK - Displays a comparison of the internal time code to external time code. An =, ¹, + or - sign in the jam, generate and start/stop modes show offset and drift.

REMOTE - Printer out, hold start/stop and TC in/out are accessible in the 9 pin "D" connector.

PRINT - A serial printer can be connected to make time code logs, read breaks in input code and print stored memory points.

SS - Generates time code in the start/stop mode. The code is normally stopped until pin #2 of the remote connector is pulled low. The hold memory is updated with every code start point.

LB - Indicates low battery before the power is exhausted. Also displays status of the internal memory battery.

SIZE & WEIGHT: 5.9" x 4.25" x 1.55", 1.3 lbs
OUTPUT: 2 volts into 1k load impedance
PRINTER: Serial out 1200 baud 8 bits 5 volt with DTR
STABILITY: High stability TCXO crystal. +/- 1ppm -30 to +75°C
INPUT: Reads code down to -18db with 51k input impedance
POWER:
6 to 24v DC at 15ma (backlight off)
25ma (backlight on).
6 AA internal battery supply
Battery life approximately 70 hour
1 BR2325 3v memory backup
Battery life approximately 1 year

GR-1 Brochure

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