2
Below the display are six membrane buttons which control the operation
of the Stroboscope. They are:
Multiplies flash rate by 2 times
ALT Function - Starts Menu (See section 3.0)
Hold when powering up to show all segments, then
Rev # and display test
Divides flash rate by 2
Hold when powering up to reset factory defaults
Toggles display between RPM and RPS
ALT Function - Toggles Tach Mode (flashing) on/off
Manually toggles between Internal and External Modes
ALT Function - Reads and Stores 9 preset flash rates
Activates Alternate Function for buttons (lower section)
and knob
In Internal Mode, toggles between normal flash rate
adjust and “phase” delay adjust
The
ALT FUNCTION
button toggles
ALT.
in the display. When
ALT.
is
displayed, the buttons will perform their secondary function listed in
the lower section of each button. It also changes how the tuning knob
works.
19
External Input
TTL Compatible (24V pk max), 500 nanosec
min pulse width,
Positive or Negative edge triggered (menu
selectable)
Output Pulse
40 µsec positive/negative pulse (menu
selectable), 3.3 Vdc typical
Note:
dax – Input/Output connectors isolated
from AC power
Time Base
Ultra Stable Crystal Oscillator
Display
LCD display with 6 numeric 0.506 inch [12.85
mm] high digits and
5 alphanumeric 0.282 inch [7.17 mm] high digits
Indicators
Battery level, On Target, ALT, TACH, and EXT
icons
Knob Adjustment
Digital Rotary switch with 36 detents per
revolution; velocity sensitive
Memory
Last setting before power down is remembered
and restored on next power up. 9 user settable
flash rates.
Flash Duration
10-25 microseconds (auto adjust with flash rate)
Flash Tube (Lamp) Life
100 million flashes
This product is designed to be safe for indoor use under the following
conditions (per IEC61010-1).
Operating Temperature
32-104 ºF [0-40 °C]
NOTE: Safety thermal feature will set unit into TACH Mode (stops
flashing) in the event of internal overheating.
Humidity
Maximum relative humidity 80% for temperature
up to 88 °F [31 °C] decreasing linearly to 50%
relative humidity at 104 °F [40 °C]
