Setup Disp - Instrutech The Hornet IGM402 User Manual

Hot cathode ionization vacuum gauge with dual convection
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Instruction Manual

SETUP DISP

5.8.1
The following submenu choices allow you to setup the display (DISP) to show the format you desire. These will
be shown on the front panel display when you press the ENTER key when SETUP DISP is highlighted. Scroll to
the menu of choice by using either the  or  keys.
- SET CONTRAST [Factory default = 10]
This function sets the display contrast. Use the ENTER key to access the CONTRAST menu and use the UP
and DOWN keys to select a number between 1 and 120. The contrast setting of 120 provides the highest
contrast (brightest) and 1 the lowest. Select the ENTER key again to save the value selected.
Note - Factory default setting optimizes display life.
- SHOW DATA [Factory default = SHOW ALL LG]
Use the ENTER key to access the SHOW DATA menu and use the UP and DOWN keys to select one of the
following display modes:
SHOW ALL LG
IG/CG1 LG
IG ONLY
Select the ENTER key again to save the desired mode selected above.
- SHOW ALL LG
This mode displays measured pressure, the pressure unit, the gas symbol, and filament and relay status
from the ionization gauge, the CG1 and CG2 convection vacuum gauges in three separate screens. The
three screens are displayed sequentially and repeatedly showing the ion gauge data first, followed next
by screens for CG1 and CG2. In the following examples, the measured pressure from the ion gauge is
6.45E-9 Torr, filament #1 is on, gas is nitrogen and Relay I is energized.
Indicates filament # 1 is on
Gas Symbol
The ionization gauge display screen (Example Ex 1A) above is followed by the next screen below showing the
convection gauge 1 (CG1) data after the display interval time has elapsed.
InstruTech
SHOW ALL SM
IG/CG2 LG
IG ONLY RND
Negative Exponent
6.45
Fil:1
RLY I
N2
Ex 1A: Ionization Gauge data displayed in SHOW ALL LG mode
IG + CG1 LG
CG1/CG2 LG
CG1 ONLY
Measured Pressure
9
E
Indicates Pressure Unit
TORR
Indicates Ion gauge Relay I is On*
IGM402 Hornet
IG+CG1/CG2
CG1/CG2 SM
CG2 ONLY
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